Converters

Energy converter (kWh, kcal, joules)

Convert kWh, joules, calories and BTU, for electricity, heating or nutrition.

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<iframe src="https://calc.hod-group.com/embed/?hodtool=energy&amp;hodlang=en" title="Energy converter (kWh, kcal, joules)" loading="lazy" style="width:100%;max-width:720px;height:560px;border:0;border-radius:12px" data-hodcalc></iframe>
<p style="font:13px sans-serif;margin:6px 0 0">Calculator by <a href="https://calc.hod-group.com/en/energy-converter/">HOD Calc</a></p>
<script async src="https://calc.hod-group.com/assets/embed.js"></script>

How it works

1 kWh = 3,600,000 J = 860.42 kcal = 3,412.14 BTU. 1 kcal = 4,184 J.

Results are for guidance only and do not replace professional advice.

Worked example

With the default values:

Value1
FromKilowatt-hour (kWh)
ToKilocalorie (kcal)

you get:

Result860.4207 kcal
Formula1 kWh = 860.42065 kcal
Wh1,000
J3,600,000

Frequently asked questions

How does the “Energy converter” tool work?

1 kWh = 3,600,000 J = 860.42 kcal = 3,412.14 BTU. 1 kcal = 4,184 J.

What do I need to enter?

Just fill in: value, from, to. The result updates as you type.

Can you give an example?

Value: 1; From: Kilowatt-hour (kWh); To: Kilocalorie (kcal) → Result: 860.4207 kcal; Formula: 1 kWh = 860.42065 kcal.

Is this calculator free, and is my data private?

Yes. HOD Calc is completely free with no sign-up. The calculation runs in your browser: nothing you type is sent or stored.