BTU to Calorie Converter
Convert btu to calories with this free energy converter. The exact relationship used on this page is 1 btu = 252.164400722 calories. Type any number — the result updates instantly, works on phones and desktops, and is ready to copy into homework, a spec sheet, or a shopping list.
Formula: Calorie = BTU × 252.164400722
How to convert btu to calories
- Enter the value in btu in the converter.
- Read the equivalent amount in calories.
- Use the swap link if you need calorie to btu instead.
- Check the table for common values without typing.
Worked examples
- 1 BTU = 252.1644007 cal
- 5 BTU = 1,260.822004 cal
- 10 BTU = 2,521.644007 cal
- 25 BTU = 6,304.110018 cal
Conversion table
Common btu values converted to calories.
| BTU | cal |
|---|---|
| 1 | 252.1644007 |
| 2 | 504.3288014 |
| 3 | 756.4932022 |
| 4 | 1,008.657603 |
| 5 | 1,260.822004 |
| 6 | 1,512.986404 |
| 7 | 1,765.150805 |
| 8 | 2,017.315206 |
| 9 | 2,269.479606 |
| 10 | 2,521.644007 |
| 20 | 5,043.288014 |
| 50 | 12,608.22004 |
| 100 | 25,216.44007 |
| 250 | 63,041.10018 |
| 500 | 126,082.2004 |
| 1,000 | 252,164.4007 |
About this conversion
BTU (BTU) and Calorie (cal) are both energy units. Energy converters connect food labels (kcal), electricity bills (kWh), physics (joules), and heating (BTU). Bookmark this URL when you convert btu to calories often, then explore related pairs in the same category if you need a different target unit.
Need the other direction? Open the calorie to btu converter.
FAQ
How many calories are in 1 btu?+
1 btu equals 252.164400722 calories.
What is the formula to convert btu to calories?+
Calorie = BTU × 252.164400722
How do I convert btu to calories by hand?+
Multiply the btu value by 252.164400722. Example: 10 btu × 252.164400722 = 2521.64400722 calories.
Is this BTU to cal converter accurate?+
Yes. Linear conversions use internationally agreed factors relative to SI. Temperature and inverse fuel units use the standard offset or reciprocal formulas, not a guessed scale factor.