---
title: "Running Calorie Calculator · Runima"
description: "Estimate calories burned running from your weight, distance and pace. Free running calorie calculator with examples for common race distances."
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> Index of every page on this site: [llms.txt](https://runima.fit/llms.txt)

# Running Calorie Calculator

Estimate the energy cost of your run based on weight, distance, and pace

**Body weight (kg)**

**Distance**

**Include pace for MET-based estimate (more accurate)**

min/km

**Estimated calories burned**

706** **kcal

**Carbohydrates**

106** g **

**Fat**

31** g **

Estimates are for net calories above rest. Individual metabolism, terrain, and running efficiency affect actual values.

## How it works

### MET Method (With Pace)

When you provide a pace, the calculator looks up its [**Metabolic Equivalent of Task**](https://en.wikipedia.org/wiki/Metabolic_equivalent_of_task) (MET) value from the [**ACSM Compendium of Physical Activities**](https://pacompendium.com/) — a standardised measure of exercise intensity as a multiple of resting metabolism. Slow jogging at 10 min/km carries a MET around 6; hard running below 4 min/km pushes toward 16. The formula is: calories = MET × body weight (kg) × duration (hours). Because MET captures intensity per unit of time, this method correctly reflects that faster runners burn more calories per minute — even if the per-kilometre difference is smaller than you might expect.

### Distance Rule (Without Pace)

The simpler estimate uses 1.036 kcal per kilogram per kilometre — the average metabolic cost of level-surface running across recreational speeds. For most runners between 5:00 and 8:00 per kilometre this is accurate to within roughly 10%. Quick rule of thumb: a 70 kg runner burns about 70–75 kcal per kilometre.

### Calories Burned by Distance

Approximate calories burned at common race distances, using the 1.036 kcal/kg/km distance rule above — enter your exact weight and pace in the calculator for a precise figure.

| **Distance** | 60** kg ** | 70** kg ** | 80** kg ** | 90** kg ** |
| --- | --- | --- | --- | --- |
| **1 km** | \~60 kcal | \~75 kcal | \~85 kcal | \~95 kcal |
| **3 km** | \~185 kcal | \~220 kcal | \~250 kcal | \~280 kcal |
| **4 km** | \~250 kcal | \~290 kcal | \~330 kcal | \~375 kcal |
| **5 km** | \~310 kcal | \~365 kcal | \~415 kcal | \~465 kcal |
| **10 km** | \~620 kcal | \~725 kcal | \~830 kcal | \~930 kcal |
| **Half marathon** | \~1,310 kcal | \~1,530 kcal | \~1,750 kcal | \~1,965 kcal |
| **Marathon** | \~2,625 kcal | \~3,060 kcal | \~3,495 kcal | \~3,935 kcal |

### Carbohydrate and Fat Breakdown

At moderate running intensity the body draws from approximately 60% carbohydrate and 40% fat. The calculator converts the calorie total into grams using standard fuel densities (4 kcal/g for carbs, 9 kcal/g for fat). These ratios shift with intensity — easy running burns proportionally more fat; threshold and interval efforts rely more heavily on glycogen — so treat the breakdown as a moderate-intensity approximation. A practical use for the carbohydrate figure: most runners store roughly 400–500 g of glycogen (\~1,600–2,000 kcal), enough for about 25–30 km at marathon pace. If the calculator shows you'll burn 200 g of carbs but you're only carrying two gels (\~50 g), there's a fuelling gap worth planning for.

All figures are net calories — energy spent above resting metabolism, not total expenditure for the period. Individual metabolism, running efficiency, terrain, and heat affect actual values.

**Want these numbers from your own data?**

Import your watch data and Runima tracks your fitness, fatigue and race readiness for free.

[**Create free account **](https://runima.fit/signup)

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