How Many Calories Do 100 Body Weight Squats Burn? | Quick Math Guide

Calories Burned By 100 Bodyweight Squats: Realistic Ranges

Short sets of air squats don’t torch a huge number, and that’s okay. Using metabolic equivalents (METs), 100 reps for a mid-size adult typically lands between two figures: the low 20s when the effort is easy, and the high 40s when you grind at a vigorous pace.

The MET values for calisthenics sit around 3.8 for moderate effort and about 7.5–8.0 when the work feels hard. Those references come from the Compendium of Physical Activities, a widely used catalog of energy costs. If you like one simple middle number, a steady 100-rep set for a 70 kg person works out near 25–30 kcal.

Body Weight	Time To Finish	Estimate (kcal)
55 kg	3–5 min	~19–28
70 kg	3–5 min	~24–31
85 kg	3–5 min	~26–34

These spans reflect the same 100 reps done at different cadences and perceived efforts. Heavier bodies spend more energy at the same MET level, so your personal number scales with you.

How To Calculate Your Number Without An App

Here’s the exact way coaches compute it. One MET equals 1 kcal per kilogram of body weight per hour and also equals 3.5 ml O₂/kg/min. That definition lets you convert activity intensity into calories per minute. A common shortcut reads like this: kcal/min = MET × 3.5 × body mass (kg) ÷ 200. You can see the oxygen math that underpins it in this ACSM metabolic calculations handout.

Step-By-Step Example

1. Pick an intensity that fits your set. Moderate air-squat work: ~3.8 MET. Tough, breathy pace: ~7.5–8.0 MET.
2. Convert MET to kcal per minute using the formula.
3. Multiply by the minutes it takes you to reach rep 100.

Worked Numbers For A 70 kg Person

Moderate (3.8 MET): 3.8 × 3.5 × 70 ÷ 200 = ~4.65 kcal per minute. If your 100 reps take about 5 minutes, that’s ~23 kcal total.

Vigorous (8.0 MET): 8.0 × 3.5 × 70 ÷ 200 = ~9.8 kcal per minute. If your 100 reps span 5 minutes of real effort, that’s ~49 kcal total.

That spread explains why online calculators vary. Some assume a short, easy set; others assume sustained high-effort minutes.

Pace, Depth, And Range Change The Burn

Cadence sets the clock. A quick 40-per-minute burst ends in ~2.5 minutes; a smooth 20-per-minute rhythm takes ~5 minutes. The movement itself can swing intensity, too. Half reps run the clock without much work. Full depth, stable knees, and a firm lockout demand more muscle and raise the effective MET.

What Counts As “Moderate” Vs “Vigorous” Here?

Think about breathing. If you can talk in short phrases, that’s closer to moderate. If talking drops to single words, you’re in the vigorous zone. Public-health charts and fitness references sort activities the same way, and the Harvard list of calories burned places calisthenics in both bands depending on effort.

Tempo Ideas

• Metronome set to 60: squat on the beat, stand on the next. That’s ~30 reps per minute.
• EMOM: 10 reps every minute on the minute for 10 minutes. Simple, tidy, and repeatable.
• Descending ladder: 20-18-16-…-2. Finish when you hit 100.

Body Weight Matters More Than You Think

Two people moving the same way burn different totals when their body masses differ. The MET model bakes that in. Here’s what a single 100-rep set looks like at a fixed 5-minute window across three body sizes using two common intensities.

Body Weight	3.8 MET, 5 min	8.0 MET, 5 min
60 kg	~22 kcal	~42 kcal
75 kg	~28 kcal	~53 kcal
90 kg	~33 kcal	~64 kcal

If you cruise through faster than 5 minutes, totals slide downward. If you cluster the work so the clock keeps running near your limit, totals climb.

Training Takeaways For Squat Sets

Chasing a big burn number isn’t the only goal. Clean reps at full range build capacity that pays off in daily life and in sport. Want a bit more energy use from the same 100 reps? Extend time under tension with a two-count down and a crisp one-count up. Add a brief pause at the bottom. Sprinkle in a few jump squats when your joints feel fresh.

Form Cues That Keep Reps Honest

• Tripod foot: heel, big toe, little toe rooted.
• Knees track over the middle toes.
• Hips sink below parallel without a butt-wink.
• Ribs down, chest proud, eyes level.
• Stand tall and squeeze the glutes at lockout.

Three Simple Ways To Hit 100

• Grease-the-groove: 10 reps every hour for 10 hours. Low strain; sneaky volume.
• Endurance set: One unbroken 100. Breathe through the nose until the last third.
• Power mix: 10×10 with the last 3 reps of each set as jump squats.

Each path lands near the same total calories for the 100 reps. The feel is different, and so are the training effects.