A person weighs 180 pounds (81.65kg) and does stair climbing at a fast pace (a task that has a MET value of 8.8) for 1 hour (60 minutes). Calories Burned from stair climbing at a fast pace (per minute) = (8.8 x 81.65 x 3.5) ÷ 200 = 12.57. Calories Burned from stair climbing at a fast pace (for 60 minutes) = 12.57 x 60 = 754.If that same person increased their speed to a brisk walk (4.5 mph), the walking to calories calculator might show an increase in the burn rate to approximately 150 calories for the same duration. The relationship between walking pace, body weight, and calorie burn can be visualized more clearly in the following chart. Calculate Calories Burned While Walking. Enter your stats in the fields below. Weight*. Walking Surface Grade*. Walk Distance*. Walk Time*. Calculate. Reset. This walking calorie calculator will tell you how much you burned while walking or running, by using your weight, walk time, distance, and incline. The number of calories burned walking 3 miles varies based on speed, weight, and individual metabolism, but on average, a person can burn approximately 200 to 300 calories. Try our free walking calorie calculator to get a more precise reading based on your body weight.-Discover our Treadmill Calorie Calculator to estimate calories burned during workouts. ... Enter the speed at which you plan to run or walk on the treadmill ... factors such as weight, speed, and incline. On average, a person weighing 70 kg running at a speed of 6 km/h with a 1% incline can burn around 500 calories per hour. As the speed and ...The calculation for walking has been posted upthread. For running it's bodyweight in lbs x 0.63 x distance. KLD145 Posts: 106 Member. April 2019. Options. That would then be 223 calories for the 30 mins. Then another 3.7 miles walk. So another estimate of 220 calories. So at least 440 calories.Calories burned Walking, Treadmill, 3.5% Incline, 6mph; Calories burned Walking, Treadmill, 3.8% Incline, 4.2 mph; Calories burned Walking, Treadmill, 4% Incline, 4.5 mph; ... Calorie Counter | BMI Calculator for Women. About Nutracheck. Nutracheck is a top-rated food diary App and website. We track calories and 7 key nutrients - carbs, sugar ...Formula: Performance Level = (Your Speed / Average Speed of Reference Population) x 100. Example: If your walking speed is 6 kilometers per hour, and the average speed of a reference population is 5 kilometers per hour, your performance level is (6 / 5) x 100 = 120%. VO2 (Oxygen Consumption):The Push-Up Calories Calculator formula is given by: Calories burned =0.017 × Weight (in kg) × MET × Duration (in minutes) where the MET value for push-ups is typically 8. To use the calculator, input your weight, choose the weight unit (kg or lb), and specify the duration of your push-up exercise in minutes.Jan 6, 2023 ... Change both the pace and incline of a treadmill workout to create a much more productive session. Adobe Stock. Editor's Note: Before beginning ...Jan 22, 2021 ... Your weight, stride length, and fitness level will affect your calorie burn, as will your pace and the incline of the area you're walking in, he ...I've been doing incline walking on the treadmill due to it's low impact nature and how much it requires everything from calves to glutes lol I typically walk on average 2.7-3.0mph and 8.0-10.0% incline. Today I walked for an hour, then another 25 minutes, and then a 5 minute cooldown on the machine. In total, it claims it was around 1150 calories.Assess your health with interactive tools such as calculators, quizzes, and questionnaires. You can check your risk for heart disease, calculate your ideal weight and body mass, fi...4. Cycling Is Better for Weight Loss. Losing weight involves sticking to a healthy diet and increasing your activity levels to burn calories. Based on the table above, cycling burns more calories compared to incline walking. Hence, cycling is a better choice for weight loss than incline walking. 5.Divide the height difference by the length of the treadmill's base. Multiply the result by 100 to get the incline percentage. For example, if the height difference is 20 inches and the base length is 60 inches, the incline percentage would be (20/60) * 100 = 33.33%.Don't worry - the stairs calorie formula is an easy one, and it can be used in many other cases as well. calories burned per minute = (MET × body weight in kg × 3.5) / 200. As you can see, this equation is not just limited to calories burned climbing stairs. In fact, it's more of a general calorie formula, and can be applied to pretty much ...Sep 25, 2020 · LAST UPDATE: September 25th, 2020. The average person will burn 400 to 800 calories per hour bicycling. The number of calories burned cycling will depend on your weight, the distance and speed you cycle, and the type and level of terrain. On a firm, level surface biking at 10mph (6min/mile, or 16kph) a 200 pound person is estimated to burn 649 ... An adjustable walking calorie calculator provides customized estimates for calories burned per session based on your weight, pace, distance, and terrain. Read on to learn how getting precise energy expenditure insights informs fitness walking strategy! ... Select terrain incline; Input walk distance; Provide duration; Get a calorie burn ...Use the following calculators to estimate the number of calories burned during certain activities based on either activity duration or distance (only for walking, running, or …These are fancy treadmills which can be programmed with a variety of settings. I do 30 minutes, and set the incline for random "hills". On level 5, the highest hill is a 4.3% incline, but there are also lower ones and a fair amount of flat walking. ... If you want to be accurate with your logging, just google a walking calories calculator. As a ...The Calories Burned by Walking calculator is intended to approximate energy expended during walking only. If you insert the amount of distance, time and incline achieved while running or cycling you will not receive an accurate calorie approximation.Yes running burns more calories in a shorter period of time but I've also found it's much easier to walk at a 8-10% incline for a longer period of time. For example I can usually do a 5mph run for a good 20-30min. After that my mental energy is drained and I wanna give up. It then takes me so much more energy to do that again in a day or two.If you need to lose weight, walking can help you burn calories, especially when you also make healthy changes in your diet. Several factors affect how many calories you burn per mile of walking—including your weight and walking pace. For example, a person weighing 160 pounds can expect to burn 85 calories by walking 1 mile at a moderate pace.That is the same number of calories that we get if we plug in 100 kg body weight and 60-minute workout time in the weight lifting calorie calculator at the beginning of this article, but I would wager that most people find walking for an hour to be far easier than an hour of intense weight lifting, with 90 seconds of rest between sets of ten ...The calories burned biking calculator is rather simple, and straightforward. To ensure an easy experience for you, we've included step-by-step instructions in detail below. Step 1: Choose your preferred unit of measurement: Imperial (lbs, hours, and minutes) or metric (kilograms, hours, and minutes). Step 2: Enter your weight.Use this calculator to show how many calories you are burning on your walk, depending on your weight, distance and pace. Enter the miles you walked: Enter your weight: Select your pace from the list below: slower than 2 mph. 2 mph - 30 minutes per mile. 2.5 mph - 24 minutes per mile. 3 mph - 20 minutes per mile.Find out how many calories you burn for Treadmill: 15% Incline, 3 mph (20 minutes per mile). The number of calories you burn while exercising is dependent on the exercise you do, your weight, and the time spent doing the exercise. Use the calories burned calculator below to see how many calories you burned during your workout.I did a bit of incline speed walking on the treadmill after my weights today and I'm curious as to how many calories I burned. I walked 16 mins at 3.5mph on incline of 12% and the treadmill says I burned 155 calories (but it only let me input my weight, not age or sex) and MyFitnessPal tells me I burned 94 calories (using the cardio function, selected "walking …The number of calories burned walking 3 miles varies based on speed, weight, and individual metabolism, but on average, a person can burn approximately 200 to 300 calories. Try our free walking calorie calculator to get a more precise reading based on your body weight.-Easily add your favorite for incline walk exercises to your workout routine and track your results with our workout tracker. For Calories Burned Enter: Body Weight: Exercise Duration: hrs. min. Then Find Exercise: Searching on: Incline Walk. Category:Jan 2, 2024 · Average incline: The steeper the incline, the more calories you’ll burn. For example: A 160-pound person, hiking at 2 miles an hour will burn 478 calories at an incline of 1 – 5%. This increases to 573 when the incline is 5 – 10%. If the incline is more than 10%, the calories increase to 733 calories. m = tan (θ) Given the points (3,4) and (6,8) find the slope of the line, the distance between the two points, and the angle of incline: d = √ (6 - 3)2 + (8 - 4)2 = 5. While this is beyond the scope of this calculator, aside from its basic linear use, the concept of a slope is important in differential calculus.This walking steps calories burned calculator is just for speeds of 50-100 meters per minute (1.9 – 3.7 mph or 3 – 6 km/h) An Average stride length for females is height X 0.413 and for males is height x 0.415.Incline walking is great for cardio work and calorie burn. The impact is minimal compared to running, and you can't cheat as much as you can on an elliptical. ... The way to lose weight is to calculate your daily calories burned and then subtract 500 from that. That will give you a weekly deficit of 3500, which is roughly 1 pound of fat. Eat ...In order to perform the calculation, all we have to do is to multiply the weight (kg), the metabolic equivalent of a task (MET) and the time of the activity (hr). Remember that 1 MET = 1 kcal/kg/hr. Units of time must be converted to hours. Therefore, 30 min = 0.5 hr. Calories burned = 70 kg x 3 kcal/kg/hr x 0.5 hr = 105 kcals burned.Instead of walking on a flat surface, try increasing the incline of your treadmill and you’ll see that you’re burning more calories than normal. The incline also helps you build lower body strength due to greater resistance of walking uphill. Walking an incline or uphill at 10% burns 166 calories in 20 minutes.Depending on weight and pace, a person burns about 640 to 1,008 calories in an 8-mile walk. According to Prevention, a 140-pound person burns about 200 calories for every 30 minute... This walking calorie burn calculator will not return a calorie burn estimate for walking speeds below 1 kilometre per hour (0.62 miles per hour) or above 7.5 kilometres per hour (4.66 miles per hour). Calculator Formulas For -5% grade: CB = [0.0251 x KPH 3 - 0.2157 x KPH 2 + 0.7888 x KPH + 1.2957] x WKG x T; For -4% grade: Find out how many calories you burn for Treadmill: 10% Incline, 2 mph (30 minutes per mile). The number of calories you burn while exercising is dependent on the exercise you do, your weight, and the time spent doing the exercise. Use the calories burned calculator below to see how many calories you burned during your workout.If you like to work while walking, then you can also get a treadmill desk, and slow down the speed to under 1 mph, and keep the incline flat. Walk for at least 1-2 hours (with rests in between) to burn 200-300 calories. Do not walk for more than 15 minutes continuously, as this increases the risk of knee injury.Each 1% incline grade burns approximately 10 additional calories per mile for a 150-pound person. This would result in over twice as many calories burned walking at a 12% incline compared to walking on a flat surface.It requires a few inputs to calculate the treadmill calories burned which include: Inputs: Enter your treadmill running gradient, weight, speed, and weight in their respective fields. Tap Calculate. Outputs: Our treadmill calories calculator displays the following results: Your treadmill training schedule. Calories burned during a treadmill run.The calorie calculation for Push-Ups for 30 minutes is as follows: (180/2.20462) * 8 * 0.0175 * 30 minutes = 343. 30 minutes of Push-Ups burns 343 kcal. How many calories do you burn by doing Push-Ups? Calculate your own calorie usage, depending on your weight and duration of exercise!Let's put it all together, with a 35-year-old man weighing 190 pounds and is 6 feet tall who walked/rucked for 2 hours. Using the Harris-Benedict formula, his BMR would be 1921.8 calories burned. Plugging the BMR and other values into the calories burned formula for walking gives you this: (1921.8 X 3.5) / 24 X 2 = 560.53.The calorie calculation for Push-Ups for 60 minutes is as follows: (175/2.20462) * 8 * 0.0175 * 30 minutes = 333. The average person weighing 180 pounds will burn approximately 326-686 calories per hour by doing Push-Ups. Calorie Burning. Target Heart Rate.Jan 3, 2020 ... A simple equation that considers these factors that you can use to calculate your calories burned while walking — and for other exercises — is ( ...Our Walking Calories Calculator also allows you to set and beat your personal records from past workouts. This can serve as a powerful motivator, pushing you to continually challenge yourself and improve your fitness level with each walking session. ... Walking on Incline: 354: 422: 490: 558: Treadmill Running on Incline: 885: 1,056: 1,226: ...Any kind of physical activity, including walking, burns calories, so walking 3 miles a day can help you lose weight or maintain a healthy weight. A review of 32 studies determined that walking interventions (20-60 minutes per day 2-7 days per week for a mean of 18 weeks) reduced waist circumference (-1.51 cm), weight (-1.37 kg), body fat ...Calories burned: Someone weighting 70 Kg or 154.3 lb walking uphill at 3 mph (1 to 5% grade) burns 185.5 calories in 30 minutes. This value is roughtly equivalent to 0.05 pound or 0.85 ounce or 24 grams of mass (fat and/or muscle). walking uphill at 3 mph (1 to 5% grade) 3 times a week for 30 minutes will burn 0.64 pound or 0.29 Kg a month.Percentage Incline=(350−200200)×100=75%. Therefore, the percentage incline between 200 and 350 is 75%. FAQs. Q: How do I interpret a negative percentage incline? A: A negative percentage incline indicates a decline or decrease between the initial and final values. Q: Can I use the calculator for financial calculations?30 Minute Treadmill Workout - Calories Burned. Now, if you step up your game and use the treadmill to walk briskly for 30 minutes, you can burn more calories on a treadmill. Walking at 4.5 miles per hour at a steady pace will allow a person weighing 125 pounds to burn just over 200 calories in half an hour.Phase 2: Next, increase the incline to 5% while maintaining your speed at an RPE between 6 and 7 for 3 minutes. This steeper incline increases resistance, causing your body to work harder and consequently burn more calories. Recovery: After the incline interval, reduce the incline back down to 1% and slow your speed to a comfortable walk for 2 ...To better illustrate the practical benefits of our Calorie Calculator, let's delve into a couple of real-world scenarios. The Weekend Warrior: Take John, an office worker who likes to escape to nature over the weekends. John plans a challenging two-day hiking trip that involves around 10 miles of walking each day over hilly terrain.Incline walking can also raise the heart rate and boost calorie burn, helping to increase weight loss and maintain a healthy cardiovascular system. Today's best deals on shoes for walking. On Cloud. £151.76. View. See all prices. Hoka One One Stinson ATR 6. £115.99. View.Calories burned per minute = (0.035 X body weight in kg) + ( (Velocity in m/s ^ 2) / Height in m)) X (0.029) X (body weight in kg) Don't worry, it's not as complicated as it looks. Here's an example: Let's say you're 1.6m tall, weigh 60kg and typically walk at 1.4 metres per second (that's about 3.1mph). Multiply your body weight in ...Sport Distance Calculator is a distance calculator tool. It enables you to map your runs, cycles and walks and calculate the distances and elevation profiles of your routes. Used by sports people as a tool for trainning for walking, cycling, hikking, marathons, route running and triathlons.Paul Revelia gives his advice for getting the most out of your cardio. Physique coach Paul Revelia is a huge advocate of walking as a means of fat loss, and in his latest YouTube video, he goes ...Jul 3, 2023 · Calculate. How many calories do I burn walking at an incline? The number of calories burned while walking at an incline depends on various factors such as your weight, the speed of your walk, the duration of the activity, and the steepness of the incline. I walk at 3mph on a 12 degree incline for 45 minutes. The treadmill says I burn 600 calories/hr doing that, and it's about the same as running 6mph for the same amount of time. It's a boring workout, and I find it to be about as difficult as running.. But it's the best way to get in shape for hiking. 1.Increase the incline by 2.5% grade: Walk for 5 minutes: Increase the incline by 2.5% grade: Walk for 5 minutes: Increase the incline by 2.5% grade: Walk for 5 minutes: Decrease the incline to 10% ...Use the calories burned calculator to calculate how many calories burned for treadmill walk: incline 0%. Burn calories for treadmill walk: incline 0% and track with our workout tracker. It's Free. Viewing page 93.The number of calories you burn while exercising is dependent on the exercise you do, your weight, and the time spent doing the exercise. Use the calories burned calculator below to see how many calories you burned during your workout. Your Weight in Pounds: Minutes Spent Exercising: Calculate. › Calories Burned: 124.This Calorie Calculator is based on several equations, and the results of the calculator are based on an estimated average. The Harris-Benedict Equation was one of the earliest equations used to calculate basal metabolic rate (BMR), which is the amount of energy expended per day at rest. ... Walking (3.5 mph) 215: 267: 319: Kayaking: 283: 352: ...The calculation for walking has been posted upthread. For running it's bodyweight in lbs x 0.63 x distance. KLD145 Posts: 106 Member. April 2019. Options. That would then be 223 calories for the 30 mins. Then another 3.7 miles walk. So another estimate of 220 calories. So at least 440 calories.The 12-3-30 treadmill workout is a routine popularized by social media influencer Lauren Giraldo. Simply set your treadmill to a 12 percent incline, a pace of three miles per hour, and walk for 30 ...To estimate the number of calories you burn during any activity, including hiking, you can use the following formula: calories burned = time [minutes] × ( (MET × 3.5) × weight [kg] ÷ 200) You can use this same formula to calculate the calories you burn walking or running . For example, let's say you weigh 70 kg, and you go for a 2-hour ...Use the calories burned calculator to calculate how many calories burned for treadmill walk: incline 0%. Burn calories for treadmill walk: incline 0% and track with our workout tracker. It's Free. Viewing page 4.Walking to lose weight helps your body burn more calories when you keep up a quicker pace, according to the Centers for Disease Control and Prevention (CDC). A 154-pound person burns 280 calories an hour walking at a moderate pace (3.5 miles per hour) and 460 calories an hour walking at a vigorous pace (4.5 miles per hour).This easy tool will help you calculate the number of calories you burn when using a stationary bike. ... at 125 Pounds a person can lose 327 calories. calories will be burned by walking on an incline treadmill (3mph), and running 30 minutes on an incline treadmill (3.5mph) will burn 198 calories.The WalkingPad©, for example, boasts of a 5-percent incline capacity which significantly aids in calorie burn during walking sessions. However, certain options like the WalkingPad X21 and R2 2-in-1 treadmills lack this feature completely.Walking to lose weight helps your body burn more calories when you keep up a quicker pace, according to the Centers for Disease Control and Prevention (CDC). A 154-pound person burns 280 calories an hour walking at a moderate pace (3.5 miles per hour) and 460 calories an hour walking at a vigorous pace (4.5 miles per hour).Use the calories burned calculator to calculate how many calories burned for treadmill walk: incline 10%. Burn calories for treadmill walk: incline 10% and track with our workout tracker. It's Free. Viewing page 4.According to our above calculations, a 155 lbs person can walk uphill at a pace of 3.5 miles per hour and burn around 422 calories per hour. This means that per mile, they are burning about 120 calories. As compared to just 76 calories burned per mile walking on flat ground. The 205 lbs person from our earlier calculations would burn a ...2. Calculate your macronutrient ratio. A strategic approach to training deserves an equally strategic approach to nutrition! Bodybuilding.com's Macronutrient Calculator will provide a customized calorie recommendation for weight loss, gain, or maintenance, along with the precise number of macronutrients of protein, fats, and carbohydrates making up those calories.Sample Calculations Walking calories burned. For example, if you went for a slow walk for an hour, you could calculate the amount of calories burned during this activity by using the MET value above. First, you would need to divide your weight in pounds by 2.2, which will give you your weight in kilograms.. For a 180 pound person, weight in kilograms would be:Use this calculator to quickly estimate your total caloric burn rate for a combination of up to 20 different exercises. Simply enter your height, weight, ...Easily add your favorite for treadmill walk: incline 3% exercises to your workout routine and track your results with our workout tracker. For Calories Burned Enter: Body Weight: Exercise Duration: hrs. min. Then Find Exercise: Searching on: …Dec 14, 2023 ... Is it better to walk longer or on an incline? ... How many calories does an incline treadmill workout burn? ... calculate your calories burned.” But ...Use the calories burned calculator to calculate how many calories burned for treadmill walk: incline 0%. Burn calories for treadmill walk: incline 0% and track with our workout tracker. It's Free. Viewing page 93.Tips: This walking steps calories burned calculator is for speeds of 50-100 meters per minute (1.9 - 3.7 mph or 3 - 6 km/h) In this article: ... Let's assume that a 150-pound (68kg) person walks 1,000 steps on a flat surface or 0% incline on a treadmill at 3 mph. As per the formula for steps/mile walked above, if the man walks 1,000 steps ...As your posterior chain muscles become stronger, slowly add 0.5% until you reach an incline that’s challenging but not painful. I usually do the incline at 9.5 with a speed of 3.4 for 30 minutes and it burns almost 300 calories. Then an hour of strength training. I have definitely been seeing results.A 155-pound (70 kg) person will burn an extra 468 calories or about 0.13 pounds (0.06 kg) of body fat while doing three 15-minute farmer's walks with 100 pounds (45.36 kg) a week. If this same person does these three farmer's walk sessions for four weeks, they will burn around 1872 calories or about 0.54 pounds (0.23 kg) during the workouts.Treadmill: 5% Incline, 3 mph (20 minutes per mile) SparkPeople Cardio Blast DVD: Walk It Out Workout (Coach Nicole) Insanity Asylum: Strength; Treadmill: 5% Incline, 10 mph (6 minutes per mile) Treadmill: 15% Incline, 6 mph (10 minutes per mile) Wii Fit Rhythm Boxing; Treadmill: 12 km/h (5 minutes per km) Treadmill: 15% Incline, 12 km/h (5 ...The equation itself isn't particularly revealing, but for the record here it is: M = 1.5 W + 2.0 (W + L) (L/W) 2 + n (W + L) (1.5V 2 + 0.35VG) Here M is the metabolic rate, which is how quickly ...
In order to calculate calories burned on elliptical machine you should consider weight, exercise intensity and duration of workout. 1. Calories burned during exercise time = time in min x MET x 3.5 x weight in kg / 200. 2. Calories burned per hour of exercise = 60 x MET x 3.5 x weight in kg / 200.. How to change battery in honeywell home thermostat
Of course, few fitness goals are more common than losing weight. Since incline walking is a more intense workout than you might think, the additional exertion that's needed translates to more calories burned overall. Add to that, burning calories through incline walking has the added benefit of reducing the risk of cardiovascular disease.Use this calculator to quickly estimate your total caloric burn rate for a combination of up to 20 different exercises. Simply enter your height, weight, ...Binge-drinking vodka coolers once a week adds 57,000 calories a year to your intake. A team of Canadian researchers has published a new report suggesting that teen drinking has a m...Calories Burned Running Treadmill Incline Calculator | Daily Calories Burned Calculator. Calories burned Running on Treadmill incline by Distance. Metric (km)--By Distance. …Fast Walk: Brisk walking (about 3.5 miles per hour) burns the most calories, comparatively. You can expect to burn about 95 calories per mile. You can expect to burn about 95 calories per mile ...The Best Treadmill Calorie Calculator. The Treadmill Calorie Calculator helps you to determine how many calories you burn while Bicycling, Walking, Running or Running on a Treadmill. If you would like to use this calculator on your website or blog you can simply embedded this calculator in one click. Use the below 'Generate Code' tool to get ...The social media personality first shared the incline walking workout on her YouTube channel in 2019, but it didn't go viral until she posted it on her TikTok in November 2020. The concept of the workout is simple: You hop on a treadmill, set the incline to 12, and walk for 30 minutes at 3 miles per hour. Giraldo came up with the formula by ...For People Who Weigh Between 120-140 Pounds. Walking at a Moderate Pace (3 mph) 15 minutes: 50 calories. 30 minutes: 100 calories. 1 hour: 200 calories. Walking at a Fast Pace (4-5 mph) 15 minutes ...It can be a good way to increase your heart rate and burn calories without putting too much stress on your body. Here is a comparison of the calories burned walking 9km vs jogging 9km: Walking 9km: approximately 450-550 calories burned. Jogging 9km: approximately 550-700 calories burned.Yashwantrao Chavan Maharashtra Open University (YCMOU) is a renowned institution that offers a wide range of courses to students from all walks of life. For those inclined towards ...Walking with poles can give you a boost in calorie burn because it works the muscles in your upper body more, Stanten says. Walk at a higher elevation. Walking at a higher altitude can burn more ...The 12-3-30 treadmill workout is a routine popularized by social media influencer Lauren Giraldo. Simply set your treadmill to a 12 percent incline, a pace of three miles per hour, and walk for 30 ...Someone weighting 70 Kg or 154.3 lb running at 4.5 mph burns 259.0 calories in 30 minutes. This value is roughtly equivalent to 0.07 pound or 1.18 ounce or 33.6 grams of mass (fat and/or muscle). running at 4.5 mph 3 times a week for 30 minutes will burn 0.89 pound or 0.4 Kg a month. running at 4.5 mph 5 times a week for 30 minutes will burn 1. ...To calculate the number of calories burned, you multiply METS by weight (in kilograms) and time (in hours). ... The compendium lists an 8.0 MET value when walking 3.5 mph at a 6% incline. THE BETTER WORKOUT. ... a 150-pound person burns roughly 204 calories walking on a treadmill uphill at 3.5 mph versus 272 calories walking upstairs for 30 ....