Kilocalories to watt-seconds Converter

Enter the kilocalories, then press Calculate. The watt-seconds stay hidden while you type.

Press Calculate after the entries are in.

What this energy conversion is for

Use this page when a measurement is written in kilocalories and the next step needs watt-seconds. The number stays blank until you press Calculate, so a half-typed entry is never mistaken for the answer.

The factor

Multiply by the factor: 1 kilocalorie = 4,184 watt-seconds.

A worked example

10 kilocalories are 41,840 watt-seconds. Multiply the result by the reverse factor if you want the original number back.

How to check it

Write the factor down, do the multiply on paper, and compare it with the result card. If you change a sentence on this page, edit the HTML file and reload. The form and this note live in the same file.

The reverse conversion is watt-seconds to kilocalories. A nearby pair in the same units is electronvolts to watt-seconds. When the converted number is the input to a job, continue with the daily calorie needs.