Energy Converter

Convert Watt-hour to Kilocalorie (Food Cal).

Input the value of watt-hours below to convert instantly to kilocalories with standard conversions, definitions, and equations.

Energy Converter

kcal

Value in Kilocalories = Value in Watt-hours × 0.860421 Multiply the value in watt-hours by the conversion factor 0.860421.

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How to Convert Watt-hours to Kilocalories

To convert watt-hour to kilocalorie (food cal), we use the official conversion formulas. Below is the mathematical formula, plain-English explanation, and a worked example.

watt-hour-to-kilocalorie-formula.py

# Mathematical Formula

Value in Kilocalories = Value in Watt-hours × 0.860421

# Worked Example (5 Wh)

5 Wh × 0.860421 = 4.3021 kcal

What is a Watt-hour?

Watt-hour (Wh)

Energy equivalent to one Watt of power sustained for one hour.

What is a Kilocalorie (Food Cal)?

Kilocalorie (Food Cal) (kcal)

Commonly known as the food calorie (capital C), representing 1,000 gram calories.

Watt-hour to Kilocalorie (Food Cal) Conversion Table

Watt-hour (Wh)	Kilocalorie (Food Cal) (kcal)
1 Wh	0.86042 kcal
2 Wh	1.72084 kcal
3 Wh	2.58126 kcal
5 Wh	4.3021 kcal
10 Wh	8.60421 kcal
15 Wh	12.90631 kcal
20 Wh	17.20841 kcal
25 Wh	21.51052 kcal
50 Wh	43.02103 kcal
100 Wh	86.04207 kcal
250 Wh	215.10516 kcal
500 Wh	430.21033 kcal
1000 Wh	860.42065 kcal

Kilocalorie (Food Cal) to Watt-hour Conversion Table

Kilocalorie (Food Cal) (kcal)	Watt-hour (Wh)
1 kcal	1.16222 Wh
2 kcal	2.32444 Wh
3 kcal	3.48667 Wh
5 kcal	5.81111 Wh
10 kcal	11.62222 Wh
15 kcal	17.43333 Wh
20 kcal	23.24444 Wh
25 kcal	29.05556 Wh
50 kcal	58.11111 Wh
100 kcal	116.22222 Wh
250 kcal	290.55556 Wh
500 kcal	581.11111 Wh
1000 kcal	1162.22222 Wh

Questions

Frequently Asked Questions

How do I convert watt-hours to kilocalories?

Multiply the value in watt-hours by the conversion factor 0.860421. For example, to convert 5 watt-hours to kilocalories: 5 × 0.860421 = 4.3021 kcal.

What is the conversion factor from watt-hour to kilocalorie (food cal)?

The conversion factor is 0.860421. One watt-hour is equal to 0.860421 kilocalories.

What is the reverse conversion from kilocalorie (food cal) to watt-hour?

To convert kilocalories back to watt-hours, multiply by 1.162222 (or divide the value by 0.860421). One kilocalorie (food cal) is equal to 1.162222 watt-hours.

How many Joules are in 1 Kilowatt-hour (kWh)?

There are exactly 3,600,000 Joules (or 3.6 Megajoules) in 1 kWh.

What is the difference between a calorie and a Calorie?

A lowercase calorie (cal) is a small metric unit (4.184 J). A capitalized Calorie (Cal) is a food calorie, which is actually a kilocalorie (1,000 small calories or 4,184 J).

Related Energy Conversions

Watt-hour to Joule Watt-hour to Kilojoule Watt-hour to Calorie (Gram) Watt-hour to Kilowatt-hour Watt-hour to BTU (British Thermal Unit) Watt-hour to Electronvolt