Yoga calorie burn varies by style and intensity; gentle forms average 180–250 kcal per hour, while vigorous flows can reach 350–500+.
Low Band (60 min)
Mid Band (60 min)
High Band (60 min)
Gentle Restore
- Slow Hatha with props
- Long exhales, soft pace
- Supportive floor work
Low effort
Steady Flow
- Sun Salute sets
- Short holds, smooth links
- Balanced strength work
Moderate
Strong Power
- Heated room optional
- Plank/push-up ladders
- Quick transitions
Higher burn
Calories Burned During Yoga: Real Numbers That Make Sense
Energy use in a class depends on three things: the sequence, the pace, and your body size. A slow, breath-led session lands on the low end, while fast flows or heated rooms push the rate up. Most people sit somewhere in the middle.
Researchers summarize movement using MET values. One MET equals about 1 kcal per kilogram per hour. That lets you estimate calories with a simple equation: MET × 0.0175 × body weight (kg) × minutes. This approach shows trends well, even though your personal number will vary day to day.
Compendium Values For Common Styles
The table below pairs established MET values with an hourly estimate for a 155-lb person. Use it to map your favorite class to a ballpark burn. Sources include the standard compendium and peer-reviewed updates, and you can browse the latest categories on the Adult Compendium site.
| Style | MET | Estimate For 155 lb |
|---|---|---|
| Hatha (Gentle) | 2.5 MET | ≈185 kcal/hr |
| Power (Strong Flow) | 4.0 MET | ≈295 kcal/hr |
| Nadisodhana (Breath Work) | 2.0 MET | ≈148 kcal/hr |
| Surya Namaskar (Sun Salutes) | 3.3 MET | ≈244 kcal/hr |
Why Your Number Can Swing
Two “power” classes can feel very different. Cues, tempo, and hold length change the workload. Room temperature adds another variable. A heated class drives up heart rate, which often nudges the burn higher, yet lab data show it still trails truly vigorous cardio.
Harvard Health lists about 144 calories in 30 minutes for a 155-lb person during stretching/Hatha. On the modeling side, the Compendium’s MET entries for Hatha, Power, and Sun Salutes map cleanly to the light-to-moderate band.
Real-life progress still hinges on food choices. Results come faster when class time fits into a small, steady calorie deficit supported by protein-rich meals and sleep.
What A Heated Class Really Burns
“Hot” formats feel tough, and they do raise heart rate and sweat loss. Lab work from a Colorado State team measured total energy use in the trademarked 90-minute sequence and found moderate calorie totals, not sky-high ones.
Takeaways From Lab Studies
In that protocol, men averaged roughly 460 calories and women about 330 calories over 90 minutes. That’s near brisk walking on a per-minute basis. The class still helps with mobility and muscular endurance; it just isn’t a massive calorie torch. You can read a plain-language summary in the Colorado State study.
Sun Salutation blocks can lift the rate compared with long static holds. Faster rounds feel closer to a steady flow class, especially if transitions stay snappy.
Build Your Own Estimate With MET Math
Here’s a quick way to personalize the number. Convert your weight to kilograms (pounds ÷ 2.2046). Pick a MET that matches the class feel. Multiply MET × 0.0175 × body weight (kg) × minutes. Round to the nearest ten and you’ve got a usable target. The “1 kcal/kg/hour” relation is explained in a university guide to using METs to estimate calories.
Handy Benchmarks
Use the grid below as a cheat sheet for a 45-minute session. “Gentle Session” reflects slower sequences around 2.5 MET. “Power Session” matches active flows near 4.0 MET.
| Body Weight | Gentle Session (45 min) | Power Session (45 min) |
|---|---|---|
| 120 lb | 107 kcal | 171 kcal |
| 150 lb | 134 kcal | 214 kcal |
| 180 lb | 161 kcal | 257 kcal |
| 210 lb | 188 kcal | 300 kcal |
Factors That Move The Needle
Pace And Transitions
Linking poses smoothly keeps your heart rate elevated. Long rests drop it. Minute by minute, pace matters more than posture difficulty.
Room Heat And Humidity
Warm rooms feel harder. Still, heat alone doesn’t turn the session into high-intensity cardio. The burn follows the work you do, not the thermostat.
Holding Strength Poses
Planks, chair variations, and balance work add demand without sprinting. Sprinkle them through your flow to raise effort while staying joint-friendly.
Breathing And Cueing
Consistent breathing stabilizes pace. Short inhale and exhale counts during transitions can keep you moving and help you steer intensity with control.
Body Size And Training Age
Heavier bodies spend more energy at the same MET. As you get fitter, the same class may feel easier, too. When that happens, pick a more active sequence or extend the session a few minutes.
Sample Class Scenarios
Slow Evening Wind-Down
Think ten gentle rounds of Cat-Cow, a few hip openers, and supported folds. Hold shapes for five or six breaths. Expect numbers near the low band, with the main win coming from mobility and stress relief.
Balanced Midday Flow
Start with three Sun Salutation A rounds, then a light standing series. Add a plank ladder and a short balance tree. Keep transitions smooth and breathe evenly. This lands in the mid band for most bodies.
Strong, Heated Power Hour
Turn the dial up: quick Sun Salutation sets, push-up options, chair-to-twist combos, and short rests. Hydrate between blocks. You’ll likely sit in the higher band, especially if the room is warm.
Common Estimating Mistakes
Trusting Only The Smartwatch
Wrist sensors guess from heart rate, and the guess improves with calibration. Cross-check with MET math now and then to see if the numbers line up with how the class felt.
Ignoring Class Structure
Two studios can use the same label for very different flows. Peek at the description or ask about pace and holds so you can pick a MET that fits.
Copying A Friend’s Number
Your height, body weight, and training history are different. Use your own weight in the formula and adjust the MET to match your pace.
Where The Numbers Come From
The Compendium assigns MET values to activities, and public tables convert those values into calories. The standard conversion uses the 0.0175 factor mentioned above. You can cross-check your math with official charts or a wearable that supports MET-based estimates.
For a published reference point, Harvard Health’s 30-minute chart lists stretching/Hatha for 125-, 155-, and 185-lb body weights. For primary source values by style, the 2011 Compendium MET values include Hatha (2.5 MET), Power (4.0 MET), Nadisodhana (2.0 MET), and Sun Salutes (3.3 MET).
Smart Ways To Progress
Rotate between gentle recovery flows and stronger sessions. Stack a ten-minute mobility piece onto the end of a walk, or bolt a fast Sun Salutation set onto a gentle class once or twice a week.
Simple Progress Ladder
- Week 1–2: two gentle classes and a short walk.
- Week 3–4: add one power day or extend one class by ten minutes.
- Week 5–6: add a Sun Salutation finisher or increase pace in the middle block.
Calories Burned In Yoga: Close Variant With Practical Tips
If your goal is weight control, treat each class as part of your weekly movement plan. Pair two or three flow days with walking and simple strength work. Keep meals steady, hydrate well, and aim for a small energy gap over time.
One Last Nudge
Want a broader read on movement benefits? Take a look at our benefits of exercise piece.