Online Calories Burned Calculator

Calories Burned Calculator estimates the calories you burn walking, running, or cycling — by duration or by distance, based on your weight, pace, and time.

hours minutes
pounds kg
miles
pounds kg
Result (Calories)
377

What Is This Tool?

The Calories Burned Calculator estimates how many calories you use walking, running, or cycling. It works two ways: the Duration tab uses your activity, the time spent, and your weight, while the Distance tab uses your activity, a chosen speed, the distance covered, and your weight. Both rely on per-minute energy rates scaled by your body weight to produce an estimated calorie figure. Weight can be entered in metric or imperial units, and the result can be downloaded as a PDF.

How to Use This Tool?

  • Choose Duration or Distance mode.
  • Pick your activity and enter your weight.
  • Enter the time, or the distance and speed.
  • Click Calculate to see the estimated calories burned.

Key Features

  • Estimates calories burned for walking, running, and cycling.
  • Calculates by duration (time spent) or by distance covered.
  • Offers four speed levels for the distance mode.
  • Factors in your body weight for a personalized estimate.
  • Metric/imperial weight entry and a PDF download.

Examples

  • Walking 1 hour 45 minutes at 80 kg burns about 377 calories.
  • Running burns far more per minute than walking at the same weight.
  • In distance mode, a faster pace covers the distance in less time.
  • A heavier person burns more calories for the same activity.

Common Use Cases

  • Estimating the calories burned in a workout.
  • Comparing activities like walking, running, and cycling.
  • Planning exercise to match a calorie goal.
  • Checking how pace affects calories burned over a distance.
  • Tracking energy expenditure alongside your diet.

Tips & Best Practices

  • Enter your current weight for a closer estimate.
  • Pick the speed that best matches your actual pace.
  • Use duration mode when you know your time, distance mode when you know the route.
  • Remember the figure is an estimate, not a precise measurement.
  • Combine it with a tracker for more accurate workout data.

Limitations

  • Estimates use average rates and don't account for fitness, terrain, or technique.
  • Distance mode uses miles and preset speeds rather than your exact pace.
  • It isn't medical advice or a substitute for a heart-rate monitor.
  • Nothing is saved between sessions — only the current result can be exported as a PDF.

Frequently Asked Questions

How are calories burned estimated?
It multiplies a per-minute rate for your activity and weight by the time spent, taken either directly from duration or from distance and speed.
Why does weight matter?
Heavier bodies use more energy for the same movement, so weight scales the estimate.
Duration or distance — which should I use?
Use duration if you know how long you exercised, and distance if you know how far and how fast.
Is the result exact?
No, it's an estimate; actual burn varies by person and conditions.

Key Terminology

Calorie
A unit of energy; here, the energy used during activity.
MET
Metabolic equivalent, a measure of an activity's energy cost.
Pace / speed
How fast you move, which affects both time and calories.
Duration
The length of time spent exercising.
Body weight
Your mass, which scales the energy expended.

Quick Knowledge Check

Which activities does the calculator cover?
What scales the calorie estimate?
Is the result exact?