BTU to Calorie (cal)
1 BTU = 252.16539 cal · Free instant converter, no signup required.
Direct Answer
1 BTU = 252.16539 cal
Formula: cal = BTU × 252.16539. This page supports instant conversion, reference table checks, and related unit links.
About this conversion
This Koverts page converts BTU to Calorie (cal). It uses the same rules as our Energy Converter — reliable Energy conversions, free and instant.
BTU and Calorie (cal) are units used in Energy Converter. Enter a value above to convert BTU into Calorie (cal) using the standard relationship for this category.
Calorie (cal) is the target unit on this page. Results come from BTU using the same rules as the calculator and the reference table below.
Typical uses
- Compare BTU and Calorie (cal) for everyday estimates and planning
- Use with homework, DIY projects, and hobby measurements
- Read international labels, manuals, and product specs with less guesswork
- Educational reference only — verify medical, legal, or engineering use with authoritative sources
Common reference values
- 1 BTU = 252.16539 cal
- 10 BTU = 2,521.6539 cal
- 100 BTU = 25,216.539 cal
Tip: 1 BTU equals 252.16539 cal. Multiply your amount by 252.16539 to convert from BTU to cal.
Did you know? Koverts keeps conversion math transparent: you see the factor, the table, and the same rules everywhere on the page.
Educational reference — always verify critical measurements (medical, engineering, legal) with primary sources.
// btu Conversion table calorie
| BTU (BTU) | Calorie (cal) (cal) |
|---|---|
| 1 BTU | 252.16539 cal |
| 2 BTU | 504.33078 cal |
| 5 BTU | 1,260.827 cal |
| 10 BTU | 2,521.6539 cal |
| 20 BTU | 5,043.3078 cal |
| 25 BTU | 6,304.1348 cal |
| 50 BTU | 12,608.27 cal |
| 100 BTU | 25,216.539 cal |
| 250 BTU | 63,041.348 cal |
| 500 BTU | 126,082.7 cal |
| 1000 BTU | 252,165.39 cal |
How to convert
BTU → Calorie (cal)
To convert from BTU (BTU) to Calorie (cal) (cal),multiply your value by 252.16539.
For example,10 BTU = 2,521.6539 cal.
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