Calories Burned Jumping rope at a fast pace at 85 kg — 1046 kcal per Hour

calories burned jumping rope at a fast pace 85kg — the short answer is 1,046 kcal per hour. That figure is for a 85 kg (187 lb) person jumping rope at a fast pace at the intensity the 2011 Compendium of Physical Activities assigns to it, and this page works the number out in full so you can check it, scale it to any session length, and see how it compares with other activities at the same body weight.

The headline number is an estimate, not a measurement of your body. Two people of the same weight doing the same activity for the same hour will burn different amounts, because fitness, technique, temperature, and how hard they actually push all move the real figure. What the formula gives you is a fair, standardised comparison — the same method researchers use when they rank activities by energy cost — and that is exactly what it is useful for: comparing options, planning a week, and setting a realistic expectation before you start.

Jumping rope at a fast pace is the hardest skipping there is: a quick rope, a high cadence, small fast jumps and very little margin for error. At 12.3 METs it is one of the highest energy costs of any common exercise — more demanding per minute than running at 6 mph, and comparable to the hardest efforts in most sports. It is the pace of boxers' training, of double-unders, and of short, sharp interval sessions.

Almost nobody sustains a fast rope pace for an hour. The hourly figure on this page — 1,046 kcal at 85 kg — is arithmetic, not a training target: it shows what the rate is, so you can scale it to the short sessions people actually do. A realistic fast-rope session is intervals of 30 to 60 seconds, with rests between, and the 10- and 15-minute figures in the table are the ones that matter in practice.

Work out your own number

Use the calorie calculator to get your own daily figure: it combines your basal metabolic rate with your activity level and your goal, so a single activity session slots into a full-day picture instead of floating on its own. If you want the activity alone at your exact weight rather than the 85 kg worked example on this page, the running calorie calculator takes any weight and duration and applies the same MET method. Both tools show their working, and both label their results as estimates.

The formula, shown and cited

The calculation comes from the Compendium of Physical Activities (Ainsworth et al., Medicine & Science in Sports & Exercise, 2011; 43(8):1575–1581), which assigns every activity a MET value — a multiple of your resting metabolic rate. One MET is the energy you use sitting quietly. The formula is:

Calories per hour = MET × body weight (kg)

For this page the MET value for jumping rope at a fast pace is 12.3, which makes it a vigorous-intensity activity by the usual classification (under 3 METs is light, 3 to 6 is moderate, above 6 is vigorous). The worked example uses the midpoint of the 80-90 kg band, 85 kg:

12.3 MET × 85 kg = 1,046 kcal per hour

For any other duration, multiply by the hours: calories = MET × weight (kg) × hours. A 30-minute session is half the hourly figure, a 90-minute session is one and a half times it, and the table below does that arithmetic for the common session lengths so you do not have to.

Your numbers at 85 kg

Session length Calculation Calories burned
15 minutes 12.3 × 85 × 0.25 261 kcal
30 minutes 12.3 × 85 × 0.50 523 kcal
45 minutes 12.3 × 85 × 0.75 784 kcal
60 minutes 12.3 × 85 × 1.00 1,046 kcal
90 minutes 12.3 × 85 × 1.50 1,568 kcal
120 minutes 12.3 × 85 × 2.00 2,091 kcal

A useful way to read the table is backwards: to burn roughly 500 kcal from jumping rope at a fast pace alone at 85 kg you would need about 29 minutes. Three one-hour sessions a week come to about 3,138 kcal a week from this activity, and five 45-minute sessions come to about 3,920 kcal a week. Those weekly totals are the numbers that matter for weight management, because a single session is a small fraction of a week's energy balance — consistency across weeks is what moves body weight, not one heroic session.

Note also that the table scales linearly with weight. A heavier person burns more doing the same activity for the same time, because there is more body to move; a lighter person burns less. That is not a judgement about fitness — it is physics, and it is why every calories-burned figure on this site states the weight it was calculated at. If you weigh 10 kg more than the 85 kg example, add roughly 123 kcal per hour; 10 kg less, subtract the same.

How the number changes with body weight

Weight band Midpoint kcal per hour kcal per 30 minutes
50-60 kg 55 kg (121 lb) 676 338
60-70 kg 65 kg (143 lb) 800 400
70-80 kg 75 kg (165 lb) 922 461
80-90 kg 85 kg (187 lb) 1,046 523

The band table is the quickest way to find your own figure without doing the multiplication. Find the band your weight falls in, take its midpoint, and read across: that is the hourly burn the Compendium method gives for jumping rope at a fast pace at your weight. If you sit on a boundary — exactly 60, 70 or 80 kg — either neighbouring band is a fair estimate, and the difference between them is small: at 12.3 METs, each 10 kg of body weight is worth about 123 kcal an hour, so a few kilograms either way changes the result by only a handful of calories.

How jumping rope at a fast pace compares at 85 kg

Activity MET kcal per hour kcal per 30 minutes
Jumping rope at a fast pace 12.3 1,046 523
Running at 6 mph 9.8 833 417
Jumping rope at a moderate pace 10.0 850 425
Rowing, vigorous effort 8.5 722 361
Playing tennis singles 8.0 680 340

The comparison is the honest way to choose between activities. A higher MET is not automatically better: an activity you enjoy and repeat three times a week beats a harder one you quit after a fortnight, and joint-friendly options matter more than raw burn for anyone with knees or a back that complain. Use the table to see the trade-offs — for example, swapping a lower-MET activity for a higher one for the same 30 minutes — and then choose on enjoyment and sustainability, not on the biggest number.

How to use the result

Keep the intervals short: 30 seconds of fast jumping and 30 seconds of rest, repeated 8 to 10 times, is a demanding session. Focus on staying relaxed — tense shoulders and high jumps waste energy and tire you out in seconds. The rope should turn with the wrists, the jumps should stay an inch off the ground, and the breathing should stay steady even when the legs are burning.

Build to fast rope work over months, not days. You need a solid base of slow and moderate rope work first, and calves and Achilles tendons that are used to the load. Alternate fast rope days with rest or low-impact cardio, and stop the session if your form falls apart — sloppy jumping at high speed is how ankles get turned and ropes catch feet.

For weight loss, the activity calories sit on top of your daily food intake, and the safe frame is a deficit of roughly 300–500 kcal a day, aiming for 0.5–1% of body weight per week. Never let the activity numbers talk you into eating far less: the safety floors are 1,200 kcal a day for women and 1,500 kcal a day for men, and any intake below those needs medical supervision. A 1,046-kcal session does not "earn" an extra meal of the same size, either — the body compensates, appetite rises after hard sessions, and the deficit that matters is the weekly average, not a single day's maths.

What the number does NOT tell you

MET values are population averages, and the error on any single person is real. The Compendium value was measured on a sample of adults, not on you, and it assumes a standard intensity. If you push harder than the standard, you burn more; if you coast, you burn less. Heart-rate monitors and power meters estimate the same thing from different signals and disagree with each other by 10 to 20% on a good day, so treat every figure — including this page's — as accurate to roughly that band, not to the single calorie.

The figure also counts gross energy, which includes the calories you would have burned sitting still during that hour anyway. The extra burn above rest is the gross figure minus your resting rate for that hour (roughly 85 kcal for a 85 kg person at 1 MET), so the net cost of an hour of jumping rope at a fast pace is about 961 kcal, not 1,046. That distinction matters when you add activity calories to a daily total that already includes your resting metabolism — counting gross calories on top of a full BMR double-counts the resting hour.

The MET value assumes continuous jumping at a fast pace, which almost nobody does for long. Interval sessions with rests burn less per minute on average, and fatigue makes the rope speed drop as the session goes on. Skill matters enormously: an experienced jumper holds the pace efficiently, while a beginner jumping fast wastes energy on high jumps and arm movement. Treat the figures as a standardised rate, accurate to roughly 10 to 20% either way, not as a promise about your session.

Finally, the formula knows nothing about your body composition, fitness, or health. Muscle burns more than fat at rest, trained people are more efficient at a familiar activity (and therefore burn slightly less for the same work), and illness, heat, altitude, and medication all shift the real number. If you have a medical condition, are pregnant, or take medication that affects heart rate or metabolism, treat this page as background information and talk to a clinician before building a training or weight-loss plan around it.

Frequently asked questions

How many calories do I burn jumping rope fast for 10 minutes at 85 kg?

About 174 kcal of continuous fast jumping. That is a very high burn for ten minutes, which is why fast rope work is almost always done in short intervals — 30 seconds on, 30 seconds off — rather than continuously. Five minutes of actual fast jumping time in a session comes to roughly 87 kcal.

Can anyone sustain fast jumping rope for an hour?

Almost nobody. At 12.3 METs, fast rope work is one of the most demanding common exercises, and even trained athletes do it in intervals. The hourly figure of 1,046 kcal at 85 kg is the rate, not a target — plan your sessions in minutes of jumping time, not in hours.

How does fast jumping rope compare with running at 6 mph?

Fast rope work at 12.3 METs burns substantially more per minute than running at 6 mph (9.8 METs). At 85 kg, an hour of fast rope is 1,046 kcal against 833 kcal for running at 6 mph. The trade-off is sustainability: most people can run for an hour, while very few can jump rope fast for an hour.

What heart rate should I expect jumping rope fast?

A high one. Fast rope work typically pushes heart rate into the vigorous zone — roughly 77 to 95% of maximum heart rate for most people — within a minute or two. If you have a heart condition, high blood pressure, or you are not used to vigorous exercise, talk to a doctor before starting, and build up through slow and moderate rope work first. This page is background information, not medical advice.

Is fast jumping rope bad for your ankles?

It can be, if done badly or too much too soon. The risk comes from high jumps, stiff landings and tired form late in a session. Keep jumps low, land softly on the balls of your feet, use a forgiving surface and supportive shoes, and stop when your form breaks down. People with ankle, knee or foot problems should get advice from a clinician first.

Related pages

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.