Calories Burned Calculator

Find out how many calories you burn during different exercises

Calculate Calories Burned

Calories Burned

133kcal

Walking (3.5 mph) · 30 min · MET 3.8

That's equivalent to burning off:

1.4
Apples
0.5
Pizza Slices
0.6
Chocolate Bars

In-Depth Guide

Understanding how many calories you burn during exercise is a cornerstone of effective fitness planning. Whether your goal is weight loss, muscle gain, or simply maintaining a healthy lifestyle, knowing your energy expenditure helps you make informed decisions about your diet and workout routine. The calories burned during any physical activity depend on three key factors: the type of activity, its intensity (measured by MET value), and your body weight.

The MET (Metabolic Equivalent of Task) system provides a standardized way to compare the energy cost of different activities. A MET value of 1 represents the energy expended at rest. Walking at a moderate pace has a MET of about 3.5–4, meaning it burns 3.5–4 times more energy than sitting still. High-intensity activities like HIIT or jump rope can reach MET values of 10–12, making them extremely efficient for calorie burning in a short period.

It's important to remember that calorie estimates from calculators are approximations. Individual factors such as fitness level, age, muscle-to-fat ratio, and even environmental conditions (heat, altitude) can influence actual calorie expenditure. For the most accurate measurements, consider using a heart rate monitor or a fitness tracker that accounts for your personal physiological data. Regardless, this calculator provides a solid baseline for planning your exercise sessions.

Tips & Considerations

  • Combine Cardio and Strength: While cardio burns more calories during the workout, strength training builds muscle that increases your resting metabolic rate, burning more calories 24/7.
  • Consistency Over Intensity: Regular moderate exercise is more sustainable and beneficial long-term than sporadic intense workouts. Aim for at least 150 minutes of moderate activity per week.
  • Don't Eat Back All Calories: Avoid the trap of consuming all the calories you burned. Use exercise as a supplement to a balanced diet, not a justification for overeating.
  • Stay Hydrated: Proper hydration improves exercise performance and can slightly increase calorie burn. Drink water before, during, and after workouts.
  • Track Progress: Use this calculator regularly to monitor how changes in your weight or workout duration affect your calorie expenditure over time.

Frequently Asked Questions

Calories burned are calculated using the MET (Metabolic Equivalent of Task) formula: Calories = MET × body weight (kg) × duration (hours). MET values represent the energy cost of physical activities relative to resting metabolic rate.
Last updated: May 2026