Health & Fitness

Workout Calorie Calculator

Enter body weight, workout duration, and an intensity in METs, and this tool estimates calories burned as MET x 3.5 x weight / 200 x minutes. 70 kg for 30 minutes at 5 METs burns about 184 kcal (368 kcal/hr).

What this calculator does

The Workout Calorie Calculator estimates your result instantly from the values you enter, using standard health & fitness formulas. Enter body weight, workout duration, and an intensity in METs, and this tool estimates calories burned as MET x 3.5 x weight / 200 x minutes. 70 kg for 30 minutes at 5 METs burns about 184 kcal (368 kcal/hr). Calculations run in your browser, so nothing you type is sent to a server, and the output is an estimate rather than a certified or official figure.

Workout Calorie Calculator

Result

—
Calories Burned
—
Per Hour

About Workout Calorie Calculator

The Workout Calorie Calculator uses the MET method: it multiplies your chosen intensity in METs by 3.5, your body weight, and duration, scaled by 200. Pick an intensity band and enter weight and minutes to estimate calories burned and a per-hour rate.

Formula & Mathematical Calculation

Calories Burned = f(Body Weight (kg), Duration (minutes), Intensity)

Calculated according to standard health formulas implemented in the calculator core.

Calculation Example

Enter Body Weight 70 kg, Duration 30 minutes, and Moderate (~5 METs). The tool computes 5 x 3.5 x 70 / 200 x 30 and shows 184 kcal burned, with a Per Hour rate of 368 kcal/hr.

Key Benefits

  • Estimates calories burned from weight, time, and intensity
  • Offers preset MET bands from light to intense
  • Also shows an equivalent per-hour burn rate
  • Uses the standard MET oxygen-cost calculation

How to Use this Calculator

  1. Enter weight and duration
    Type Body Weight (kg) and Duration (minutes).
  2. Pick intensity
    Choose an Intensity band: light, moderate, vigorous, or intense METs.
  3. Calculate
    Click Calculate and read Calories Burned and Per Hour.

Assumptions & Limitations

What the calculation assumes

  • Every value you enter is treated as an exact, known amount.
  • Any rate or interval you enter is assumed to hold for the whole period unless the form asks for it separately.
  • Results use standard published formulas and account only for the values entered above.
  • Rounding is applied for display; the underlying calculation uses your full precision.
  • Results are returned in the same units you enter, unless the tool states the output unit.

What it does not cover

  • Workout Calorie Calculator produces a calculated result for reference and learning, not a certified or official measurement.
  • Real-world outcomes differ when tolerances, rounding rules or local standards apply.
  • Definitions and standards vary by region and change over time; verify the convention that applies to your case.
  • Figures are only as accurate as the inputs you supply — check them before acting on the result.
  • For work where the result carries real consequences, confirm it against an authoritative source.

Frequently Asked Questions

Calories = METs x 3.5 x body weight (kg) / 200 x minutes, the standard MET oxygen-cost estimate.

Light (about 3.5 METs), moderate (5), vigorous (7), and intense (9 METs).

The same MET calculation projected to 60 minutes, giving a kcal-per-hour rate.

No. It uses only body weight, duration, and the selected MET intensity.

Free to use, no account needed. Calculations run in your browser, so nothing you type is sent to a server. Results are estimates — how we build and check our calculators.