Bodyweight squats are one of the most accessible lower-body exercises, but estimating how many calories they burn isn't as simple as reading a generic exercise chart. This squat calories per 45 minutes calculator gives you a personalized estimate using your body weight, the intensity of your squat session, and the metabolic equivalent of task (MET) for squatting. Whether you are doing slow tempo reps, fast bodyweight squats, or weighted squats, you can adjust the intensity level to match how hard you are actually working.
Unlike a treadmill calculator that assumes steady forward movement, squatting is a resistance exercise that works the glutes, quads, hamstrings, and core. The calculator converts your weight and chosen MET value into calories with the standard formula used in exercise science. An optional pace field lets you enter your average squats per minute, so you can also see how many reps you would complete in 45 minutes and the calories per squat.
This tool is useful for home workout planners, gym-goers, coaches, and anyone using bodyweight exercise for fat loss or conditioning. It produces a practical estimate to support your training, not a medical measurement.
🏋️ Your 45-Minute Squat Session
Enter your body weight and choose an intensity level to estimate calories burned.
Quick Start: Using the Calculator
Enter your current body weight in kilograms or pounds. If you are planning a workout, use your usual training body weight rather than a post-workout weight. Then choose an intensity level that best matches your 45-minute squat block. Light means slow, controlled bodyweight squats with long pauses between reps; moderate is a steady, conversational pace; vigorous includes fast reps, jump squats, or a light added load; very demanding covers high-rep sets with a barbell, kettlebells, or a short-rest finisher.
The optional pace field is useful if you want more than just a total calorie number. Type your average squats per minute across the full 45 minutes, including any brief pauses. For example, 12 reps per minute over 45 minutes gives 540 squat reps. The calculator will then estimate calories per squat and total reps. If you rest for long stretches, count only the minutes you are actually squatting, not the whole clock time.
The Math Behind the Squat Estimate
A metabolic equivalent of task (MET) is a unit that describes how much energy an activity costs compared with sitting at rest. One MET is roughly the energy you burn at rest. Squatting at 4.5 MET means you are burning about 4.5 times your resting energy expenditure.
Calories per minute = MET × 3.5 × body weight (kg) ÷ 200
The 3.5 comes from the approximate oxygen uptake of a resting adult in milliliters per kilogram per minute, and dividing by 200 converts oxygen consumption into kilocalories. For a 45-minute session, multiply the per-minute result by 45.
Worked example: A 70 kg person doing moderate squats at 4.5 MET burns 4.5 × 3.5 × 70 ÷ 200 = 5.51 kcal/min. Over 45 minutes that is 5.51 × 45 = 248 kcal. The same person at a light 3.5 MET would burn about 193 kcal, and at a vigorous 6.0 MET about 331 kcal.
Heavier people burn more calories during squatting because they are moving a larger mass. A 90 kg person at the same moderate intensity would burn about 319 kcal in 45 minutes. This is why personalizing with body weight matters more than using a generic table.
Reference: Squat Intensity and MET Values
| Intensity | Typical 45-minute session | MET | 70 kg / 45 min |
|---|---|---|---|
| Light | Slow tempo bodyweight squats, long rests | 3.5 | ~193 kcal |
| Moderate | Steady bodyweight squats, short rests | 4.5 | ~248 kcal |
| Vigorous | Jump squats, fast reps, light dumbbells | 6.0 | ~331 kcal |
| Very demanding | High-rep weighted squats, minimal rest | 8.0 | ~441 kcal |
These categories are broad estimates based on the calisthenics and resistance training sections of the Compendium of Physical Activities. A real squat session can vary by 20–30 percent depending on depth, tempo, load, and rest, so treat the numbers as planning tools rather than exact measurements.
What Changes the Calories Burned
- Range of motion: Full depth squats use more muscle fibers and more oxygen than shallow quarter squats.
- Time under tension: Slow 4-second reps demand more muscular work per minute than bouncing reps.
- Added load: A barbell or weighted vest increases intensity and shifts your MET value upward.
- Rest intervals: Longer rests lower the average intensity across 45 minutes.
- Body weight: More mass means more energy required to move it.
- Fitness level: Beginners often burn more at the same activity because their bodies are less mechanically efficient, while trained lifters become more economical.
Important: This is the total gross energy cost, not the extra calories above resting metabolism. It also does not guarantee fat loss on its own; weight change depends on your total daily energy balance.
Frequently Asked Questions
Can 45 minutes of squats help with weight loss?
Yes, but the calorie burn is modest. A 70 kg person might burn around 250 kcal at moderate effort. Doing that five times per week adds roughly 1,250 kcal, which is less than half a pound of fat. Squats are excellent for muscle strength and conditioning, but combining them with a sensible diet is what creates a reliable calorie deficit.
How many calories do 100 squats burn?
At moderate intensity, a 70 kg person burns roughly 0.37 kcal per squat, so 100 squats would be about 37 kcal. The exact number depends on your weight, speed, and depth. You can read the calories per squat from this calculator once you enter your pace.
Do weighted squats burn twice as many calories?
No. Moving from 4.5 MET to 6.0 MET increases calories by about a third, not double. Very heavy resistance training may reach 8.0 MET, which increases the estimate by roughly 80 percent compared with moderate bodyweight work.
Why might my fitness tracker show something different?
Watches estimate calories from heart rate, arm movement, and personal profile data. Heart rate is affected by heat, caffeine, and fatigue, and watch algorithms are not based on the exact MET cost of squatting. The MET formula here gives a standardized, reproducible estimate that is easy to compare between sessions.
Tips for an Honest 45-Minute Squat Session
Warm up for five minutes before you start and keep your knees tracking over your toes. Break the 45 minutes into manageable blocks, such as 3 × 15 minutes with two-minute rests, and log only the active squatting time. Use a metronome or timer to keep a consistent rep cadence, and choose a MET level that matches your actual effort rather than your goal effort.
Pro tip: For a stronger calorie estimate, count your reps for a full minute every 10 minutes and enter the average. Then use the calories-per-squat result to plan how many extra squats you need to reach a target burn.
If you also track other bodyweight movements, the push-up calorie calculator and sit-up calorie calculator use the same MET estimation approach for their respective exercises.