Work out calories and kilojoules burned skiing, based on your body weight, whether you're skiing downhill or cross-country, your effort level, and how long you're actually moving on snow.
Skiing calorie burn is estimated with calories = MET × body weight (kg) × active ski time (hours), using a MET value that reflects how physically demanding the skiing really is. Downhill/alpine skiing gets a lot of help from gravity and regular lift breaks, so its MET values are comparatively modest — 4.3 for a relaxed cruise up to 8.0 for aggressive, racing-style skiing. A 75 kg skier doing 90 minutes of active, moderate-effort downhill skiing (MET 5.3) burns roughly 596 kcal, about 2,495 kJ. Cross-country skiing has no gravity assist and no lift rest — it's continuous, full-body effort — so its MET value of 12.5 pushes the same skier's 90-minute burn up to around 1,406 kcal, more than double.
| Ski Type / Effort | MET | Calories | Kilojoules |
|---|
The calculation combines three inputs: a MET (Metabolic Equivalent of Task) value that reflects how demanding the skiing is, your body weight, and the time you actually spent skiing. Downhill/alpine skiing has three effort tiers here — light, moderate and vigorous — because the gap between a relaxed cruise and aggressive, continuous skiing is large. Cross-country skiing uses a single, much higher MET figure, because a brisk cross-country pace is consistently demanding in a way downhill skiing usually isn't.
The gap between downhill and cross-country skiing comes down to where the energy for forward motion actually comes from. On a downhill run, gravity does most of the work of moving you down the mountain — your muscles are mainly working to steer, absorb bumps and control speed rather than to propel you forward, and a chairlift then carries you back up while you recover. Cross-country skiing removes that gravity assist almost entirely: on flat or gently rolling terrain, every metre of glide comes from your own legs, arms, hips and core pushing and pulling in a continuous, rhythmic motion, with no lift ride to break up the effort. That's a fundamentally different physiological demand, which is why cross-country's MET value sits well above even the most vigorous downhill skiing modelled in this calculator.
| Ski Type / Effort | MET | Calories (75 kg, 90 min) | Kilojoules |
|---|---|---|---|
| Downhill — Light | 4.3 | 484 kcal | 2,024 kJ |
| Downhill — Moderate | 5.3 | 596 kcal | 2,495 kJ |
| Downhill — Vigorous | 8.0 | 900 kcal | 3,766 kJ |
| Cross-country — Brisk pace | 12.5 | 1,406 kcal | 5,884 kJ |
Even vigorous, racing-style downhill skiing — the hardest downhill tier in this calculator — burns noticeably less than a brisk cross-country pace over the same 90 minutes, which says a lot about how much built-in rest downhill skiing carries compared with a sport that has no lift to catch a breather on.
These figures hold effort constant at moderate recreational downhill skiing (MET 5.3) for 90 active minutes, so you can see how much body weight alone changes the total.
| Body Weight | MET | Calories (90 min) | Kilojoules |
|---|---|---|---|
| 60 kg | 5.3 | 477 kcal | 1,996 kJ |
| 70 kg | 5.3 | 557 kcal | 2,328 kJ |
| 75 kg | 5.3 | 596 kcal | 2,495 kJ |
| 80 kg | 5.3 | 636 kcal | 2,661 kJ |
| 90 kg | 5.3 | 716 kcal | 2,994 kJ |
| 100 kg | 5.3 | 795 kcal | 3,326 kJ |
Body weight scales the total in direct proportion, since it's a straight multiplier in the formula — a 100 kg skier burns roughly 67% more than a 60 kg skier over the identical 90 minutes at the same effort, even though the run and pace feel identical to both.
Australian nutrition panels list energy in kilojoules, not calories, so it's useful to see your skiing burn in the same unit as your food packaging. Multiply your calorie figure by 4.184 to convert to kilojoules. A 75 kg skier doing 90 minutes of moderate-effort downhill skiing burns about 596 kcal, which is roughly 2,495 kJ — worth knowing if you want to weigh a ski session against the energy value printed on a snack bar or hot chocolate at the lodge.
How many calories does downhill skiing burn per hour?
It depends on effort level. For a 75 kg skier, active downhill skiing burns roughly 323 kcal/hr at a light, relaxed effort (MET 4.3), about 398 kcal/hr at a moderate recreational effort (MET 5.3), and around 600 kcal/hr at a vigorous, racing-style effort (MET 8.0). These figures scale with body weight and only count time actually spent moving down the slope — use the calculator above with your own weight for a precise number.
Why is cross-country skiing so much more intense than downhill?
Downhill skiing is powered largely by gravity — you point your skis down the slope and let it do much of the work, with your muscles mainly working to control speed and balance, and a lift then carries you back up while you rest. Cross-country skiing has no such free ride: every metre of forward motion comes from your own arms, legs and core pushing and gliding continuously, often across flat or undulating terrain with no downhill assist and no chairlift break. That's why cross-country's MET value of 12.5 for a brisk pace is more than double downhill's moderate-effort figure of 5.3 — it's a continuous, full-body cardio effort rather than a stop-start descent.
Does a full ski day burn more calories than the active-skiing estimate suggests?
This calculator's MET values apply only to time spent actively skiing down the mountain, not the whole day at the resort — a typical ski day includes long stretches in lift queues, chairlift rides, standing around chatting, and lunch breaks, none of which burn calories anywhere near the active-skiing rate. If you enter your total time at the resort instead of your actual moving/skiing time, you'll noticeably overstate your burn. For an accurate figure, estimate only the minutes you were actually skiing down runs and enter that as your duration.
Does snowboarding burn a similar amount to skiing?
Broadly yes — snowboarding and downhill skiing sit in a similar calorie-burn range for a given effort level, since both involve controlling a board or skis down a slope using leg, core and balance muscles, with plenty of non-active lift time in between runs. Snowboarding can involve more falls and getting back up for beginners, which adds some extra effort, while skiers tend to cover more ground per run at speed. Neither consistently burns dramatically more than the other — effort level and how much of your day is spent actively moving matter far more than the choice between the two.
How does altitude affect calorie burn while skiing?
Altitude isn't factored into the MET values used here, but it can genuinely increase effort at higher elevations, particularly for people who aren't acclimatised. Thinner air means your heart and lungs work harder to deliver the same amount of oxygen to your muscles, which can make a given run feel more demanding and may modestly increase energy expenditure, especially in the first few days at altitude. The effect is real but hard to quantify precisely, so treat high-altitude resort skiing as sitting at the higher end of the estimate range rather than expecting an exact adjustment.
Is skiing a good workout for weight loss?
Skiing can contribute meaningfully to weight loss as part of an overall calorie deficit, especially at a vigorous effort, where downhill skiing burns around 600 kcal/hr of active time for a 75 kg skier, or around 938 kcal/hr for cross-country skiing at a brisk pace. The catch is that a typical recreational ski day mixes those active minutes with a lot of non-active time on lifts and breaks, so the daily total is usually well below what you'd get from an equivalent time doing a continuous activity. Skiing regularly, especially cross-country, alongside attention to diet, is a reasonable piece of a weight-loss plan rather than a shortcut on its own.
What counts as "vigorous" downhill skiing?
In this calculator, vigorous downhill effort (MET 8.0) reflects racing-style or aggressive, continuous skiing — think giant slalom training, chasing a faster friend down a run without stopping, or skiing hard, technical terrain that demands constant muscular effort and quick direction changes. It's a noticeably higher output than general recreational cruising (moderate effort, MET 5.3), where you're skiing at a comfortable pace with regular pauses. If you're breathing hard and your legs are working throughout a run rather than just on the steep sections, vigorous is the more accurate setting.
What are the limitations of this calorie estimate?
Like any MET-based calculation, this is a population-average estimate, not a personalised measurement. Actual calorie burn varies with fitness level, skiing technique and efficiency, snow conditions, slope steepness, cold-weather thermoregulation, and how accurately you estimate your true active skiing minutes versus total time at the resort. The formula also can't account for individual differences in muscle mass or metabolism. Treat the result as a solid planning figure rather than an exact number, and use it mainly to compare how effort level, ski type and duration change your overall burn.