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watt-hour to kilocalorie

Live watt-hour (Wh) to kilocalorie (kcal) converter. Plus a 10-value reference table and FAQs.

From Wh

watt-hour

To kcal

kilocalorie

1 Wh = 0.8604kcal

Conversion table

Ten sample values from watt-hour to kilocalorie. Use the converter above for arbitrary values.

watt-hour (Wh)	→	kilocalorie (kcal)
0.001 Wh	→	0.00086 kcal
0.01 Wh	→	0.008604 kcal
0.1 Wh	→	0.086042 kcal
0.5 Wh	→	0.43021 kcal
1 Wh	→	0.860421 kcal
2 Wh	→	1.720841 kcal
5 Wh	→	4.302103 kcal
10 Wh	→	8.604207 kcal
100 Wh	→	86.042065 kcal
1,000 Wh	→	860.42065 kcal

About the watt-hour

1 W sustained for 1 hour (3600 J).

About the kilocalorie

1000 calories (4.184 kJ). Food labels in the US.

How watt-hour to kilocalorie conversion works

Both units belong to Energy. Unitbox first expresses the input in the category reference unit (J), then expresses that same quantity in kilocalorie.

The right unit depends on the convention used by your industry, country, instrument, or source document.

Reference value1 Wh = 0.86042065 kcal

CalculationBrowser-side, using Unitbox's shared unit data

Review noteFor safety-critical work, verify against the governing standard or instrument manual.

Unit definitions and conversion factors are maintained in the Unitbox methodology. Last reviewed with the current conversion dataset.

Frequently asked questions

Frequently Asked Questions

How do I convert watt-hour to kilocalorie?

Multiply the watt-hour value by 0.860421 to get it in kilocalorie. For example, 10 Wh = 8.6042 kcal.

What is 1 Wh in kcal?

1 Wh = 0.860421 kcal.

What is 100 Wh in kcal?

100 Wh = 86.0421 kcal.

What is the formula?

Linear: multiply by 0.860421 (the unit factor ratio).

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Convert the other direction

Use the reverse converter: kilocalorie → watt-hour

Browse all units in this category

Energy has 10 units.

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