Calories Burned Walking uphill at 85 kg — 510 kcal per Hour
Walking uphill at 85 kg (176-198 lb) burns about 510 kcal per hour. That figure comes from the activity's MET value of 6 in the 2011 Compendium of Physical Activities, multiplied by body weight: 6 x 85 kg x 1 hour = 510 kcal. This page works the numbers out in full - for 15, 30, 45, 60 and 90 minutes, across all four weight bands, and against four comparable activities at the same weight - so you can plan sessions with real figures instead of guessing.
Walking uphill turns an ordinary walk into a serious workout without changing your speed. Every step lifts your whole body weight against gravity, so the same pace that feels easy on the flat becomes demanding on a slope. The Compendium value used here, 6.0 METs, is for a representative uphill grade — gentle slopes cost less, steep ones cost more — but it captures the key point: gradient is the cheapest way to make walking harder.
Uphill walking suits hill walkers, hikers training for climbs, and anyone who wants a vigorous workout from walking alone. The headline number to remember is 510 kcal per hour at 85 kg, or about 255 kcal for a 30-minute climb. Everything below is an estimate: MET values are population averages, and your own burn will vary with fitness, gradient and conditions. That does not make the numbers useless — it makes them a planning tool, and a good one, as long as you treat them as approximate.
Calculate your own numbers
Use the calorie calculator to work out your own burn for walking uphill at your exact weight and session length. Enter your weight, pick the activity and set the duration, and the tool applies the same MET formula shown below. You can also try the step calorie calculator to turn your daily step count into an energy figure.
Related pages in this section:
Calories Burned Hiking with a backpack at 85 kg — 620 kcal per Hour
Calories Burned Climbing stairs at 85 kg — 748 kcal per Hour
The formula, shown and cited
The standard way to estimate the energy cost of an activity is the MET formula from the Compendium of Physical Activities (Ainsworth et al., Medicine & Science in Sports & Exercise, 2011; 43(8): 1575-1581):
Calories (kcal) = MET x body weight (kg) x duration (hours)
One MET is the energy you use sitting quietly at rest - about 1 kcal per kilogram of body weight per hour. An activity rated at 6 METs therefore uses 6 times as much energy as resting. The Compendium's MET values come from published studies that measured oxygen use during each activity, so they are measured averages, not guesses. No exact Compendium entry exists for walking uphill, so the data file uses the closest published value - hiking, cross country (6.0) - and says so.
Worked through for this page:
- MET for walking uphill: 6
- Body weight: 85 kg (the midpoint of the 80-90 kg band, 176-198 lb)
- Duration: 1 hour
- Calculation: 6 x 85 x 1 = 510 kcal
For a 30-minute session the same calculation is 6 x 85 x 0.5 = 255 kcal. Nothing else is hidden in the maths - if your weight or duration changes, only those two numbers change.
Your numbers at 85 kg
| Duration | Calculation | Calories burned |
|---|---|---|
| 15 minutes | 6 x 85 x 0.25 | 128 kcal |
| 30 minutes | 6 x 85 x 0.5 | 255 kcal |
| 45 minutes | 6 x 85 x 0.75 | 382 kcal |
| 60 minutes | 6 x 85 x 1 | 510 kcal |
| 90 minutes | 6 x 85 x 1.5 | 765 kcal |
That is about 8.5 kcal per minute of walking uphill at this weight. A short session still counts: even 15 minutes burns 128 kcal, and three 15-minute sessions across a day add up to the same 382 kcal as one 45-minute session.
How the burn changes with body weight
The MET value stays the same - it describes the activity, not the person - but the calorie total scales with weight, because a heavier body costs more energy to move:
| Body weight | Calories per hour | Calories per 30 minutes |
|---|---|---|
| 55 kg | 330 kcal | 165 kcal |
| 65 kg | 390 kcal | 195 kcal |
| 75 kg | 450 kcal | 225 kcal |
| 85 kg | 510 kcal | 255 kcal |
Two people doing the same activity for the same time can therefore burn quite different amounts, and that is expected - it is physics, not a mistake in the formula. If your weight sits between two rows, your figure sits between the two values.
How walking uphill compares
Here is walking uphill against four other activities at the same 85 kg, all using the same MET formula:
| Activity | MET | Calories per hour at 85 kg |
|---|---|---|
| walking uphill | 6 | 510 kcal |
| hiking | 6 | 510 kcal |
| hiking with a backpack | 7.3 | 620 kcal |
| climbing stairs | 8.8 | 748 kcal |
| walking very briskly (4.5 mph) | 7 | 595 kcal |
Use this table to choose, not to judge. A higher number means a harder session, not a better one: the activity you enjoy and repeat three times a week beats the activity that burns more per hour but that you quit after a fortnight. Mixing intensities across the week - one harder session, two easier ones - is usually more sustainable than doing the hardest activity every time.
Fitting walking uphill into your week
| Sessions per week | 30 minutes each | 60 minutes each |
|---|---|---|
| 2 sessions | 510 kcal | 1020 kcal |
| 3 sessions | 765 kcal | 1530 kcal |
| 5 sessions | 1275 kcal | 2550 kcal |
At 6.0 METs, walking uphill is vigorous-intensity activity, so it counts double toward the widely used adult activity target: 75 minutes of vigorous activity a week is the equivalent of 150 minutes of moderate activity. Three 30-minute hill sessions a week give you 90 vigorous minutes and burn about 765 kcal a week at 85 kg. Because hills are demanding, alternate hill days with flat walks — the flat days aid recovery while still adding to your weekly total.
How to use the result
Shorten your steps as the slope steepens and lean slightly forward from the ankles, not the waist — hunching over restricts breathing and strains the lower back. Plant your whole foot rather than walking on your toes, which saves your calves. On the way down, take shorter steps still and keep your knees soft: descending is easier on the lungs but harder on the knees, and most hill-walking injuries happen on descents. Trekking poles help on steep ground by sharing the load with your arms. Start with one hill session a week and add a second only when your calves and knees feel comfortable the next day. Use the numbers on this page to set realistic expectations rather than to chase a daily total. If you are tracking food as well, add the session's calories to your total daily energy expenditure for that day, and remember that the figure is an estimate with roughly 10-20% uncertainty. Do not eat back every calorie the calculator shows: activity trackers and MET estimates both tend to overstate slightly, and a small margin keeps a weight-loss plan on track. If you are aiming to lose weight, keep the deficit modest - 300-500 kcal a day is a common, sustainable range - and keep your total intake above the safety floors of 1,200 kcal a day for women and 1,500 kcal a day for men unless a healthcare professional advises otherwise.
What the number does NOT tell you
The MET formula is honest about what it measures and silent about the rest. The 6.0 figure is for a representative uphill grade, and real hills vary enormously: a gentle 3% slope costs far less than a steep 15% climb, and the formula has no way of knowing which hill you walked. It also does not account for your fitness level, body composition, the surface underfoot, or the extra cost of carrying a bag. Descending burns much less than ascending, so a there-and-back hill walk averages below the uphill figure. It also cannot tell you whether hill walking is safe for you: if you have a heart condition, knee or hip problems, breathing difficulties or any other health concern, check with a healthcare professional before starting a new, intense activity. Use the calorie figure as a planning estimate, and judge the walking by how you feel doing it and whether you keep doing it.
Frequently asked questions
How many calories do I burn walking uphill for 30 minutes at 85 kg?
About 255 kcal. The maths is 6 METs x 85 kg x 0.5 hours = 255 kcal. That is an estimate from the Compendium average for a representative uphill grade — your real burn depends on the steepness of your hill, your fitness and the surface. If you weigh more or less than 85 kg, use the weight table above to read your own figure.
Does walking downhill burn calories too?
Yes, but much less than walking uphill — descending is mostly braking work by the leg muscles, and the Compendium value of 6.0 METs is for the uphill portion. A there-and-back hill walk therefore averages below the uphill figure for the whole session. Descending is also harder on the knees, so take short steps and keep your knees soft on the way down.
How does walking uphill compare with walking on the flat?
At 85 kg, walking uphill burns about 510 kcal per hour against 425 kcal for walking briskly on the flat — roughly 20% more. The gap grows with the gradient: a gentle slope adds a little, a steep slope adds a lot. That is why hill repeats are a classic training tool — the same speed, much more work.
Is walking uphill bad for your knees?
Going up is usually kind to knees; coming down is the harder part, because each step brakes your body weight. If your knees are sensitive, choose gentler slopes, take short steps on descents, use poles, and build up gradually. Sharp or persistent knee pain is a reason to see a clinician rather than push through it.
Can walking uphill help with weight loss?
It can help, but only as part of an overall calorie deficit. At 85 kg, an hour burns about 510 kcal, which is a strong contribution — roughly the energy in a full meal — but weight loss still comes from the total balance of food and activity across the week, not from one climb. Aim for a gradual loss of 0.5-1% of body weight per week, and never drop below 1,200 kcal a day (women) or 1,500 kcal a day (men) without medical supervision.
Estimates only, not medical advice. Minimum safe intakes: 1,200 kcal/day women, 1,500 kcal/day men - consult a healthcare professional before a very-low-calorie diet.