How Many Calories Do You Burn In Yoga Class? | Smart Burn Guide

Calories from yoga swing on three levers: the class style, your body weight, and how hard you move. A quiet Hatha hour lands at the low end. A fast flow or a heated studio moves the needle.

Calories Burned During A Yoga Class (Real-World Range)

Researchers publish two types of data that help you set expectations. Large public tables estimate calorie burn for common activities like Hatha, based on people of different body weights. The Compendium of Physical Activities lists intensity values (METs) for many yoga variations, which you can run through a simple formula to get a solid estimate. Harvard’s public table pegs a traditional Hatha session at about 240, 298, and 356 kcal per hour for 57, 70, and 84 kg, respectively.

Calorie Estimates You Can Use Today

Below is a broad snapshot for a 60-minute class using the Compendium’s MET values and the standard equation (Calories/min = MET × 3.5 × body-weight kg ÷ 200). You’ll see gentle styles sit low. Adding repeated Sun Salutations, faster transitions, or heat raises the count.

Estimated Calories In 60 Minutes (By Style & Body Weight)

Yoga Style (MET)	57 kg	70 kg
Hatha, gentle (2.3)	≈138 kcal	≈169 kcal
Hot room, set sequence (3.0)	≈180	≈221
Surya Namaskar flow (3.5)	≈209	≈257
Power sequence (4.0)	≈239	≈294
High-intensity Hatha (8.0)	≈479	≈588

Numbers shift with pace and instruction style. Once you’ve built a base, layering in more movement yields benefits you’ll feel beyond calories, including the benefits of exercise on mood and daily energy.

Why Published Estimates Don’t Always Match

Two reasons: measurement method and class design. Big public tables often come from real people moving in real studios. MET-based math starts with a reference intensity and scales it to your body weight. Gentle work, long holds, and cool rooms pull estimates down. Repeating Sun Salutations or flowing quickly raises heart rate and breath, bumping energy cost. The Compendium lists values for Hatha (2.3 MET), Hot (3.0), Sun Salutations (3.5), Power (4.0), and a high-intensity Hatha entry (8.0).

How To Estimate Your Own Burn

Use The MET Formula

Grab the style’s MET value, your body weight, and class length. The equation many labs use is straightforward: Calories per minute = MET × 3.5 × weight kg ÷ 200. Multiply by minutes in class and you’re set.

Worked Examples (70 kg)

• Hatha at 2.3 MET for 60 min → 2.3 × 3.5 × 70 ÷ 200 × 60 ≈ 169 kcal.
• Flow with repeated Sun Salutations at 3.5 MET for 60 min → ≈ 257 kcal.
• Power at 4.0 MET for 75 min → ≈ 368 kcal.
• High-intensity set at 8.0 MET for 60 min → ≈ 588 kcal.

Cross-Check With A Trusted Table

If you prefer ready numbers, a respected public table from Harvard lists Hatha at roughly 120, 149, and 178 calories per 30 minutes for 57, 70, and 84 kg. Double for a full hour as a quick reference.

What Moves The Number Up Or Down

Style And Sequence

Slower sets with longer holds keep energy cost modest. A class built around repeated Sun Salutations ramps time under tension and transitions. Power sessions stack strength moves and quick flows. The Compendium lists separate entries for each, which is helpful when you’re estimating.

Room Temperature And Humidity

Heated rooms tax cooling and can increase perceived effort. Lab work comparing heated and room-temperature sequences shows higher heart rate with heat, with calories moving up as your body works to cool itself.

Body Weight And Fitness Level

Heavier bodies burn more per minute at the same MET level because the equation scales with kilograms. Fitness changes relative intensity: the same flow can feel easy for one person and moderate for another, which lines up with CDC’s talk-test guidance for intensity.

Typical Class Types And Their Burn

Gentle Hatha

Expect light sweat, slower transitions, and longer holds. The MET value sits near 2.3, which yields about 140–170 kcal per hour for 57–70 kg, with higher bodies landing higher on the scale.

Sun-Salutation-Heavy Flow

Repeating Surya Namaskar sequences pushes you into a moderate zone. MET ≈ 3.5. A 70 kg person lands near 260 kcal per hour; a longer 75-minute class bumps that to ~320 kcal.

Power Or Fast Vinyasa

Short rests and strong transitions raise the cost. Using 4.0 MET as a baseline, a 70 kg person sits near 294 kcal for 60 minutes. Those numbers climb with pace, longer holds in strength poses, or added heat.

Hot Studio Protocols

Heat alone doesn’t guarantee huge burn, but it often pairs with steady movement. Compendium lists Hot sessions at 3.0 MET, which lands a 70 kg person around 221 kcal per hour, with individual classes ranging above or below based on pace and sequencing.

If weight management is your main goal, match total weekly movement with public health targets: aim for a mix that adds up to 150 minutes of moderate activity or 75 minutes of vigorous work across the week, plus two days of strength. That’s the baseline set by the CDC adult guidelines.

Class Length Matters: Quick Conversions

Use these conversions for planning. Pick the style that matches your studio offering, find your weight column from the first table, and scale by minutes in the room.

Minutes Vs Calories (70 kg)

Duration	Hatha (2.3 MET)	Power (4.0 MET)
30 minutes	≈85 kcal	≈147 kcal
45 minutes	≈127	≈221
60 minutes	≈169	≈294
75 minutes	≈211	≈368
90 minutes	≈254	≈441

Make Your Hour Count (Safely)

Pick A Style That Fits Your Goal

• Relaxation & mobility: Gentle sets, breath work, and longer holds.
• Steady calorie burn: Flows built around repeated Sun Salutations.
• Higher burn: Power formats with fewer pauses; add heat only if acclimated.

Use Simple Levers

• Increase pace slightly while keeping clean form.
• Extend sets by 5–10 minutes when you have time.
• Reduce dead time between transitions; breathe, then move.

Keep Hydration And Recovery Tight

Arrive hydrated, especially in heated rooms. Add light protein and carbs afterward to refuel. Sleep does more for recovery than any gadget.

Wearables, Heart Rate, And Reality Checks

Wrist trackers can over- or under-read during isometric holds and floor work. Treat the number as a trend line. If your heart rate graph shows long periods near your moderate zone, your session likely delivered a meaningful aerobic dose. The CDC’s talk-test is a simple cue: you can talk, not sing, at a moderate level.

Build A Week That Balances Strength And Calm

Many people do best with two or three flow-based sessions, one strength day, and one gentler mobility session. That mix hits movement goals while keeping joints happy. If steps are part of your routine, pairing a light walk on non-studio days helps energy burn stay steady without beating you up. If you prefer structure, add a tracker and log your minutes the same way you log poses; it keeps you honest about totals across the week.

Method Notes And Sources

Estimates here combine two pillars: the Compendium’s published intensity values for multiple yoga variants (Hatha 2.3 MET; Hot 3.0; Surya Namaskar 3.5; Power 4.0; an advanced Hatha entry at 8.0 MET) and the standard ACSM-referenced calculation for energy cost. Public tables from Harvard provide cross-checks against live-class measurements for Hatha at common body weights.

Bottom Line For Class Planning

If your hour is a calm Hatha session, expect ~140–170 kcal at 57–70 kg, more if you’re heavier. A steady flow with repeated Sun Salutations lands near ~260–300. Power formats and advanced sets can reach the 300s and, in select cases, ~500+ with strong effort, longer durations, or high-intensity segments. Over a week, match minutes to your goals and feel free to combine yoga with walking, cycling, or strength to round things out.

Want structured nutrition to pair with the mat? Try our calorie deficit guide for simple math that supports your training.