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Walking Calories Calculator

Walking is one of the most accessible and effective forms of exercise. This calculator estimates the calories you burn during a walk based on your speed, duration, body weight, and optional incline. Whether you are taking a leisurely stroll or power walking up hills, knowing your calorie expenditure helps you set realistic fitness and nutrition goals.

Quick Answer

A 155 lb (70 kg) person walking at 3.0 mph for 30 minutes burns approximately 120 calories. Walking faster or uphill increases the burn significantly.

These results are estimates based on general formulas and are not a substitute for professional medical advice. Consult a healthcare provider before making health decisions.

Leave blank or enter 0 for flat ground.

Enter your walking duration, speed, and weight to estimate calories burned.

How the Formula Works

  1. Look up the base MET value for your walking speed from the Compendium of Physical Activities.

    2.0 mph = MET 2.8 | 2.5 mph = MET 3.0 | 3.0 mph = MET 3.5 | 3.5 mph = MET 4.3 | 4.0 mph = MET 5.0 | 4.5 mph = MET 7.0

  2. If walking on an incline, add approximately 0.5 MET for every 5% of grade.

    Adjusted MET = Base MET + (Incline% / 5) x 0.5

  3. Calculate total calories burned using the MET formula.

    Calories = Adjusted MET x Weight (kg) x Duration (hours)

  4. Derive additional metrics including calories per minute, pace per mile/km, and total distance covered.

Methodology & Sources

Reviewed and updated April 4, 2026 · Prepared by GetHealthyCalculators Editorial Team

This calculator uses MET values from the Compendium of Physical Activities, which is the gold standard reference for energy expenditure research. Incline adjustments follow established exercise physiology guidelines of approximately 0.5 MET per 5% grade increase.

References

  • Compendium of Physical Activities: an update of activity codes and MET intensities · Medicine & Science in Sports & Exercise
  • Energy expenditure of walking and running · Medicine & Science in Sports & Exercise
  • The energy expenditure of level and grade treadmill walking · European Journal of Applied Physiology

Limitations

  • MET values are population averages and may not match your individual energy expenditure.
  • The incline adjustment (0.5 MET per 5% grade) is an approximation — actual incline effects vary by speed and fitness.
  • This calculator does not account for wind resistance, terrain type, or carrying extra weight (e.g. a backpack).
  • Calorie burn estimates assume a steady pace throughout the entire duration.

Frequently Asked Questions

How many calories does a 30-minute walk burn?
A 30-minute walk at moderate pace (3.0 mph) burns approximately 120 calories for a 155 lb (70 kg) person. Walking faster at 4.0 mph increases that to roughly 175 calories. Your body weight is the biggest factor — heavier individuals burn more calories for the same walk.
Does walking speed affect calorie burn?
Yes, significantly. Walking at 2.0 mph (a slow stroll) burns about 2.8 calories per kg per hour, while walking at 4.5 mph (very brisk) burns about 7.0 calories per kg per hour — roughly 2.5 times more. Even small increases in speed noticeably increase calorie expenditure.
How does incline affect calories burned while walking?
Walking uphill significantly increases calorie burn. As a general rule, each 5% of incline adds about 0.5 MET to the energy cost. So walking at 3.0 mph on a 10% incline burns roughly as many calories as walking at 4.0 mph on flat ground.
Is walking a good way to lose weight?
Walking is an excellent weight management tool. It is low-impact, sustainable, and accessible to nearly everyone. A daily 30-minute brisk walk can burn 100-200 calories, which over a week adds up to meaningful calorie expenditure. Combined with modest dietary changes, regular walking supports healthy weight loss.
What is a MET and why does it matter?
MET stands for Metabolic Equivalent of Task. One MET equals the energy you burn at rest (about 1 calorie per kg per hour). Activities are rated by their MET value — for example, brisk walking at 3.5 mph is rated at MET 4.3, meaning it burns 4.3 times more energy than sitting. MET values allow standardized comparison of different activities.
How accurate is this walking calorie calculator?
This calculator provides a reasonable estimate based on established MET research. For most healthy adults, it is accurate within 10-20%. Factors like fitness level, body composition, walking technique, and environmental conditions can cause actual calorie burn to differ from the estimate.

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