🔥 Calories Burned Calculator

Find out how many calories you burn during exercise using standard MET values. Enter your weight, duration and activity — then compare against 14 other activities instantly.

🔥 Calories Burned Calculator
📈 Calories Burned
Calories Burned
Activity
MET Value
Duration
Calories/Hour

Compare Across All Activities:

ActivityMETCalories
Top Activities by Calories Burned
🔥

Enter your weight, duration and activity to see calories burned

Guide

About the Calories Burned Calculator

Last updated: July 2026 · Reviewed by the NeftCal editorial team

This free calories burned calculator estimates how much energy you use during exercise using MET (Metabolic Equivalent of Task) values — the same method exercise physiologists, researchers, and fitness trackers rely on to standardize activity intensity. Instead of giving you just one number, it also builds a full comparison table across 15 common activities at your exact weight and duration, so you can see how a different workout choice would change your calorie burn for the same time investment. Whether you're searching for a calories burned calculator by weight, a MET calculator, or a straightforward exercise calorie calculator, this tool covers all three in one place.

What It Measures

The calculator measures estimated energy expenditure — calories burned — for a specific activity session, based on your body weight, how long you did the activity, and a standardized MET value assigned to that activity. It does not measure your total daily calorie burn (which also includes calories burned at rest and through everyday movement), only the calories attributable to the session you enter.

Who Should Use This Calculator

This tool is useful for anyone who exercises and wants a quick, standardized read on calorie burn — people tracking weight-management progress, runners and cyclists comparing training intensities, gym-goers deciding between cardio options, or anyone curious how activities like HIIT, swimming, or yoga stack up against each other. It's built for adults doing common recreational and fitness activities, not for clinical exercise testing or elite sports science.

Why It Matters

Calorie burn varies enormously by activity type and intensity — running at 8 mph can burn more than four times what yoga burns in the same amount of time. Understanding this lets you make informed trade-offs: swap in a higher-MET activity on days you want a bigger calorie burn in less time, or choose a lower-intensity option on recovery days without guessing at the impact. It also helps you contextualize exercise calorie burn against your daily calorie target from a Calorie Calculator or TDEE Calculator.

Real-World Applications

  • Comparing calorie burn across running, cycling, swimming, HIIT, and 11 other built-in activities
  • Planning a workout around a target calorie burn rather than a fixed duration
  • Estimating the energy cost of a hike, dance class, or sports session in advance
  • Contextualizing exercise calorie burn against your daily calorie or TDEE target
  • Comparing intensity levels (e.g. Walking 3.5 mph vs 4.5 mph) to fine-tune training plans

Tips for Accurate Results

  • Pick the intensity option that matches your actual pace or effort — "Running (6 mph)" and "Running (8 mph)" carry very different MET values
  • MET-based estimates assume continuous, steady effort; frequent breaks or a much easier pace will lower your actual calorie burn below the estimate
  • Enter your current body weight, not a goal weight, since the formula scales directly with weight
  • Use the comparison table to plan workouts around a target calorie burn instead of a fixed duration
  • Combine this with your daily calorie target from the Calorie or TDEE Calculator to understand your full daily energy balance
Formula

The MET Formula, Explained

How this calories burned calculator turns your weight, duration, and activity into an energy-expenditure estimate

Calorie Burn Formula
Calories Burned = MET × Weight (kg) × Duration (hours)

Calories Per Hour
Calories/Hour = MET × Weight (kg)

If you enter your weight in pounds, the calculator first converts it to kilograms (weight in kg = lbs × 0.453592) before applying the formula above, so results are identical regardless of which unit you use.

📏

What Is a MET?

1 MET is roughly the energy you burn sitting quietly, about 1 kcal per kg of body weight per hour. An activity with a MET of 8 burns about 8 times that resting rate.

⚖️

Weight Changes the Math

Because calories = MET × weight × time, a heavier person burns proportionally more calories doing the identical activity for the identical duration than a lighter person, since moving more body mass costs more energy.

⏱️

Duration and Intensity Trade Off

A short, high-MET session (e.g. 20 minutes of HIIT) can burn a similar number of calories as a much longer, low-MET session (e.g. an hour of yoga) — use the comparison table to find the combination that fits your schedule.

⚙️ Why This Formula Works

MET values are derived from measured oxygen consumption during standardized activities, referenced against resting metabolic rate. Multiplying an activity's MET by body weight scales the energy cost to the individual, since heavier bodies require more oxygen (and therefore more energy) to perform the same movement. Multiplying by duration in hours converts the per-hour rate into a total for your specific session, which is why the formula is the standard approach used across exercise science and consumer fitness tools.

🎯 When to Use It

  • Getting a fast, standardized estimate of calorie burn for a planned or completed workout
  • Comparing calorie burn across different activities or intensity levels
  • Estimating energy cost before choosing between two workout options

📋 Assumptions

  • Assumes continuous, steady-state effort at the selected activity's typical intensity for the full duration
  • Uses population-average MET values, not a measurement of your individual metabolism
  • Does not factor in age, height, sex, or fitness level

⚠️ Limitations of the Formula

  • MET tables are averages — actual calorie burn varies with fitness level, technique, terrain, and individual metabolism
  • Doesn't account for rest breaks, warm-up, or cool-down periods within a session
  • Same MET value is applied regardless of body composition (muscle mass vs fat mass)
  • Not a substitute for direct measurement (e.g. lab-based indirect calorimetry)
Walkthrough

Step-by-Step: How to Use the Calories Burned Calculator

From entering your details to comparing calorie burn across activities

Choose your weight unit

Select Metric (kg) or Imperial (lbs) depending on which unit you know your body weight in.

Enter your body weight

Type your current body weight into the weight field for your chosen unit. The formula scales directly with weight, so an accurate figure matters.

Enter your workout duration

Type how many minutes you did (or plan to do) the activity for — anywhere from a quick 5-minute burst to a multi-hour session.

Select your activity

Choose from 15 common activities, each carrying a standard MET value reflecting its typical intensity, from Yoga (MET 2.5) to Running at 8 mph (MET 11.8).

Click "Calculate Calories Burned"

The calculator applies Calories = MET × weight (kg) × duration (hours) and shows your total calories burned, calories per hour, and a full 15-activity comparison table and chart.

Example

Worked Example

Using the calculator's own default scenario — 70 kg, 30 minutes of Running (6 mph)

Scenario

Suppose you weigh 70 kg and run at 6 mph for 30 minutes. Running (6 mph) carries a MET value of 9.8.

Weight70 kg
Duration30 min
Activity MET9.8 (Running 6 mph)
Step 1 — Convert duration to hours: 30 ÷ 60 = 0.5 hours.
Step 2 — Multiply MET by weight: 9.8 × 70 = 686 kcal/hour.
Step 3 — Multiply by duration in hours: 686 × 0.5 = 343 kcal burned for the 30-minute session.
Step 4 — Read the per-hour rate: at 70 kg, Running (6 mph) burns 686 kcal in a full hour, which is the "Calories/Hour" figure shown alongside your result.
Step 5 — Compare against other activities: the same 70 kg, 30-minute session would burn about 133 kcal doing Yoga (MET 2.5) or 413 kcal doing Running (8 mph, MET 11.8) — the comparison table calculates all 15 at once.
Calories Burned
343 kcal
Calories/Hour
686 kcal
MET Value
9.8

Explanation: A 70 kg person running at 6 mph for 30 minutes burns approximately 343 kcal, based on the standard MET formula. This is a session estimate, not a measurement — actual burn can vary with running technique, terrain, and individual fitness, but the MET method is widely used because it's simple, standardized, and reasonably accurate for population-level estimates.

Interpretation

Understanding Activity Intensity Zones

How MET values group into light, moderate, and vigorous intensity

MET RangeIntensity ZoneWhat This Generally Means
Below 3.0Light activityLow calorie burn per minute (e.g. Yoga, slow walking); still valuable for mobility and recovery days
3.0 – 5.9Moderate activityMeets typical public-health "moderate-intensity" guidance (e.g. brisk walking, recreational cycling)
6.0 and aboveVigorous activityHigh calorie burn per minute (e.g. running, HIIT); may warrant a warm-up and, for some people, a check-in with a doctor first

If your activity falls in the Light zone: you're still burning calories above resting rate, and light activity remains valuable for recovery, mobility, and building an exercise habit — it isn't a "worse" choice, just a lower calorie-burn rate per minute.

If your activity falls in the Moderate or Vigorous zone: you're burning calories at a faster rate per minute, which can make a workout more time-efficient, but higher intensity also means paying closer attention to warm-up, hydration, and how your body responds, especially if you're new to exercise.

This result is for informational purposes only and is not a medical diagnosis. MET-based estimates are population averages, not a measurement of your individual metabolism or cardiovascular response to exercise.

ℹ️

This calculator provides educational estimates only and should not be used as a substitute for professional medical advice, diagnosis, or treatment. Results may vary depending on individual health conditions. Always consult a qualified healthcare professional regarding medical concerns.

Use Cases

Practical Use Cases for the Calories Burned Calculator

Where a fast, MET-based calorie-burn estimate is genuinely useful

🏃

Comparing cardio options

See how running, cycling, swimming, and the elliptical stack up for the same time investment.

🎯

Planning around a calorie target

Work backward from a target calorie burn to figure out how long a session needs to be.

🥗

Balancing exercise and diet

Contextualize calories burned against your daily intake using the Calorie Calculator or Daily Meal Tracker.

🚴

Estimating a ride or hike in advance

Get a rough calorie estimate for an upcoming cycling trip or hiking outing before you go.

🏋️

Personal trainer session planning

Trainers can use MET-based estimates as a starting reference point when programming client workouts.

💃

Comparing dance and group classes

See how a dance class or basketball game compares to structured cardio in calorie terms.

🧘

Choosing a recovery-day activity

Compare Yoga against higher-MET options when you want a lighter, lower-intensity session.

⏱️

Time-efficient workout planning

Identify which higher-MET activities burn more calories in less time on a busy schedule.

🏊

Cross-training comparisons

Compare swimming, rowing, and cycling to balance a weekly cross-training routine.

📊

Workplace wellness challenges

Use as a quick, private self-check for step or activity challenges at work.

🎒

Trip and event planning

Estimate energy cost for a hiking trip, sports tournament, or active vacation day.

📚

Exercise science education

Students and educators can use it to illustrate how the MET formula works in practice.

Pros & Cons

Benefits and Limitations

What this calories burned calculator does well, and where it can't replace professional advice

✅ Benefits

  • Free, instant, and requires no signup or personal information
  • Runs entirely in your browser — your health data is never sent to a server
  • Supports metric (kg) and imperial (lbs) weight units
  • Covers 15 common activities spanning light, moderate, and vigorous intensity
  • Uses the standard, widely taught MET formula
  • Shows both total calories burned and a per-hour rate
  • Full 15-activity comparison table generated automatically from your inputs
  • Bar chart visualizing your top calorie-burning options
  • Downloadable plain-text summary of your results
  • Fast-loading and mobile-friendly
  • Useful as a repeatable planning tool for different workouts
  • Based on publicly documented exercise-science MET methodology

⚠️ Limitations

  • Uses population-average MET values, not a measurement of your individual metabolism
  • Doesn't account for age, height, sex, or fitness level
  • Assumes continuous, steady-state effort for the full duration entered
  • Doesn't factor in terrain, technique, incline, or equipment differences
  • A single MET value is applied per activity regardless of how hard you actually pushed
  • Not a substitute for a heart-rate monitor, lab test, or wearable device for precise tracking
  • Limited to the 15 built-in activities rather than every possible exercise
  • Not a diagnostic or medical tool — cannot assess cardiovascular fitness or health risk
Reference

MET Values for Common Activities

Standard MET values and approximate calories per hour for a 70 kg (154 lb) person, calculated with this calculator's built-in table

ActivityMET ValueCalories/Hour (at 70 kg)
Yoga2.5175 kcal
Weight Lifting (general)3.5245 kcal
Walking (3.5 mph)3.8266 kcal
Walking (4.5 mph)5.0350 kcal
Dancing5.0350 kcal
Elliptical5.0350 kcal
Hiking6.0420 kcal
Basketball6.5455 kcal
Swimming (moderate)7.0490 kcal
Rowing Machine7.0490 kcal
Cycling (moderate)8.0560 kcal
HIIT8.0560 kcal
Running (6 mph)9.8686 kcal
Cycling (vigorous)10.0700 kcal
Running (8 mph)11.8826 kcal

Common Mistakes and Expert Tips

❌ Common Mistakes

  • Selecting an intensity level that doesn't match your actual pace or effort (e.g. picking "Running 8 mph" for a jog)
  • Treating the calorie estimate as an exact measurement rather than an approximation
  • Forgetting to subtract rest breaks, warm-up, or cool-down time from the duration entered
  • Entering a goal weight instead of your current weight, which skews the calculation
  • Assuming exercise calorie burn equals your total daily energy expenditure
  • Comparing this calculator's estimate directly against a wearable without expecting some variance

💡 Expert Tips & Best Practices

  • Use the comparison table to plan a workout around a target calorie burn rather than a fixed duration
  • Pair this calculator with a TDEE Calculator to see how exercise fits into your total daily energy expenditure
  • Log what you actually ate with the Daily Meal Tracker to understand your full calorie balance
  • Re-select the activity that matches your effort level each time, rather than always defaulting to one option
  • Treat the result as a solid estimate for planning, not a precise clinical measurement
📝

Summary: This calories burned calculator gives you an instant, free, MET-based estimate of energy expenditure for 15 common activities, along with calories per hour and a full side-by-side comparison table — a useful planning tool, not a medical measurement. Pair it with related tools like the Calorie Calculator and TDEE Calculator to understand your full daily energy balance.

FAQ

Frequently Asked Questions

Common questions about calories burned during exercise

What is a MET value and how is it used?
MET stands for Metabolic Equivalent of Task. 1 MET is roughly the energy you burn sitting quietly. An activity with a MET of 8 burns about 8 times that resting rate. Calories burned = MET × body weight (kg) × duration (hours), which is the standard formula used by exercise physiologists.
Why do different activities burn such different amounts of calories?
Calorie burn scales with exercise intensity (MET value). Running at 8 mph (MET 11.8) burns roughly three times as many calories per minute as yoga (MET 2.5) for the same person, because it demands far more oxygen and muscular effort per minute.
Does a heavier person burn more calories doing the same activity?
Yes. The MET formula scales directly with body weight, so a heavier person burns more calories than a lighter person doing the identical activity for the identical duration, because moving more mass requires more energy.
How accurate are MET-based calorie estimates?
MET-based estimates are a widely used approximation, typically accurate to within about 10-20% for most people. Actual burn varies with fitness level, technique, terrain, and individual metabolism, so treat the number as a solid estimate rather than an exact measurement.
What activities does the comparison table include?
The table and chart recalculate calories burned for all 15 activities on the list — from walking and yoga to HIIT and rowing — at your exact weight and duration, so you can see how switching activities would change your calorie burn without re-entering your numbers.
Can I enter my weight in pounds instead of kilograms?
Yes. Use the Metric (kg) / Imperial (lbs) toggle above the weight field. Entering lbs converts your weight to kilograms internally (1 lb = 0.453592 kg) before applying the MET formula, so results are identical either way.
Does the calculator account for my age, height, or fitness level?
No. It only uses body weight, duration, and the MET value of your chosen activity, following the standard MET formula. Age, height, sex, and fitness level all affect real-world calorie burn but aren't part of the MET calculation, which is why individual results can vary from the estimate.
What's the difference between "Calories Burned" and "Calories/Hour" in the results?
Calories Burned is the total for the duration you entered. Calories/Hour is what the same activity would burn in a full 60 minutes at your weight, letting you compare intensities on a standardized per-hour basis regardless of how long you actually exercised.
Which activity on the list burns the most calories per hour?
Based on the built-in MET values, Running (8 mph) has the highest MET (11.8), followed by Cycling (vigorous) at 10.0 and Running (6 mph) at 9.8 — all burn substantially more per hour than lower-intensity options like Yoga (MET 2.5) or Weight Lifting (MET 3.5).
Does the calculator account for rest breaks during my workout?
No. The MET formula assumes continuous, steady effort for the entire duration you enter. If your session includes rest breaks, warm-up, or cool-down at a much lower intensity, your actual calorie burn will be somewhat lower than the estimate.
Should I trust this calculator over my fitness watch or heart-rate monitor?
Both are estimates, and neither is exact. This calculator uses standardized MET tables, which are population averages, while wearables estimate burn from heart rate and movement data, which can be affected by device placement and algorithm. Treat both as reasonable approximations rather than precise measurements, and expect some difference between them.
What's the difference between light, moderate, and vigorous activity?
Exercise scientists classify intensity by MET value: light activity is below 3 METs (e.g. slow walking), moderate activity is roughly 3-6 METs (e.g. brisk walking, recreational cycling), and vigorous activity is above 6 METs (e.g. running, HIIT). This calculator's built-in activities span all three zones, so switching activities is one of the fastest ways to change how many calories a session burns.
How many calories should I aim to burn per workout?
There's no single universal target. Public health guidelines from organizations like the WHO recommend at least 150-300 minutes of moderate-intensity activity, or 75-150 minutes of vigorous activity, per week for adults, which naturally produces a calorie-burn range depending on your weight and activity choice. Rather than fixating on one number, use this calculator to compare activities and durations, and pair it with your daily calorie target from a calorie calculator.
Can I use this calculator to plan weight loss?
It can help you understand one side of the calorie-balance equation — how much a given workout burns — but weight loss depends on your total daily calorie intake versus total daily expenditure, not exercise alone. Pair this calculator with a Calorie Calculator or TDEE Calculator for your full daily target, and consult a healthcare professional before starting a new weight-loss program.
Is calories burned during exercise the same as total daily calorie burn?
No. This calculator estimates calories burned during one specific activity session, which is only part of total daily energy expenditure (TDEE). TDEE also includes your basal metabolic rate (calories burned at rest) and calories used for everyday movement outside formal exercise. Pair this calculator with a BMR or TDEE calculator for your full daily energy picture.
Do I need to warm up before vigorous activities like HIIT or running?
General exercise guidance suggests easing into vigorous activity with a short warm-up, especially if you're new to exercise or returning after a break. This calculator focuses on estimating calorie burn, not exercise programming or safety guidance — if you have underlying health conditions, talk to a healthcare professional before starting a new vigorous routine.
Is this calories burned calculator free and private to use?
Yes. This calculator is completely free, requires no signup or account creation, and runs entirely in your browser — your weight, duration, and activity inputs are never transmitted to or stored on a server. You can use it as many times as you like across metric or imperial units.
Learn More

Authoritative Resources on Exercise and Calorie Burn

Official guidance to complement this calculator — not a substitute for licensed medical advice

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