A 155-pound person burns about 216 calories in an hour of general weight lifting and about 432 calories in an hour of vigorous lifting, according to Harvard Health figures. Heavier people burn more, and short rests, big compound lifts, and circuits push the number up. Below you’ll find a chart by body weight, a formula to estimate your own burn, and an honest look at the “afterburn” and muscle-at-rest claims.
Calories burned lifting weights, by body weight
|
Activity |
125 lb |
155 lb |
185 lb |
|
Weight lifting, general, 30 min |
90 |
108 |
126 |
|
Weight lifting, vigorous, 30 min |
180 |
216 |
252 |
|
Weight lifting, general, 60 min |
180 |
216 |
252 |
|
Weight lifting, vigorous, 60 min |
360 |
432 |
504 |
30-minute values from Harvard Health Publishing, “Calories burned in 30 minutes for people of three different weights.” 60-minute values are doubled.
“General” means a typical gym session with normal rest between sets. “Vigorous” means heavy compound lifts or short rest periods, where you’re breathing hard most of the session.
Estimate your own number
Exercise scientists use METs (metabolic equivalents) from the Compendium of Physical Activities. The formula:
Calories per minute = MET × 3.5 × body weight (kg) ÷ 200
|
Effort |
MET value |
|
Light to moderate weight training |
about 3.5 |
|
Vigorous weight training |
about 6.0 |
Example: a 70 kg (154 lb) person doing 45 minutes of moderate lifting: 3.5 × 3.5 × 70 ÷ 200 = 4.3 calories per minute × 45 = about 190 calories.
The same person training vigorously for 45 minutes burns about 330 calories.
What changes how many calories you burn
- Body weight. Moving a bigger body takes more energy.
- Rest time. Resting 60 seconds between sets burns more per hour than resting 3 minutes.
- Exercise choice. Squats, deadlifts, lunges, and rows use more muscle than curls or lateral raises, so they burn more.
- Format. Circuits and supersets keep your heart rate up.
- Session length. Obvious, but a focused 45 minutes often beats a chatty 90.
Does lifting burn more than cardio?
Per minute, steady cardio like running usually burns more. A 155-lb person running at 6 mph burns about 360 calories in 30 minutes, versus 108 to 216 for lifting. But lifting builds and keeps muscle, which cardio does less well, and muscle makes it easier to keep fat off over time. For fat loss, the best plan uses both.
The afterburn effect (EPOC)
After a hard workout, your body keeps using extra oxygen for a while to recover. This is called excess post-exercise oxygen consumption, or EPOC. It’s real, and it’s bigger after intense sessions. But it’s modest: usually a small fraction of what you burned during the workout, not hundreds of extra calories. Treat it as a bonus, not a strategy.
Does muscle burn calories at rest?
Yes, a little more than fat. Research on organ and tissue metabolism estimates skeletal muscle uses about 6 calories per pound per day at rest, versus about 2 for fat. Gaining 5 pounds of muscle adds roughly 30 calories a day. Helpful over months, but not a reason to skip watching what you eat.
How to burn more calories lifting
- Build sessions around compound lifts: squats, deadlifts, presses, rows, lunges.
- Shorten rest to 45 to 90 seconds for most sets.
- Use supersets or circuits, pairing upper and lower body moves.
- Add a 10-minute finisher: kettlebell swings, sled pushes, or a bike sprint.
- Progress over time: more weight or reps each week means more work done.
Comfortable, sweat-wicking gear helps you keep rest periods short. Our guide to what fabric is best for sportswear explains why.
Frequently asked questions
How many calories do you burn lifting weights for an hour?
About 180 to 250 calories for general lifting and 360 to 500 for vigorous lifting, depending on body weight (125 to 185 lb).
Does lifting weights burn belly fat?
Not specifically. No exercise burns fat from one spot. Lifting helps by burning calories, building muscle, and supporting a calorie deficit.
Is it better to lift heavy or do more reps?
For calorie burn, total work and short rest matter more than the rep range. For strength, heavier weights with fewer reps; for muscle growth, moderate weights in the 6 to 15 rep range both work.
How accurate is my fitness tracker for weight lifting?
Not very. Trackers estimate from heart rate, which rises unevenly during lifting. Use the numbers as a rough guide.
Is weight lifting good for weight loss?
Yes, especially combined with a calorie deficit and some cardio. It helps you keep muscle while you lose fat.
The bottom line
Expect roughly 200 calories an hour for typical gym lifting and up to 400 to 500 for hard, fast-paced sessions. Use the formula for your own estimate, train with compound lifts and short rests, and remember the real payoff of lifting is the muscle you build. Pair it with our best leg workout for a high-burn session.
