BTU/hour (BTU/hr) to Calorie/sec (cal/s)
1 BTU/hr = 0.070046 cal/s · Free instant converter, no signup required.
Direct Answer
1 BTU/hr = 0.070046 cal/s
Formula: cal/s = BTU/hr × 0.070046. This page supports instant conversion, reference table checks, and related unit links.
About this conversion
This Koverts page converts BTU/hour (BTU/hr) to Calorie/sec (cal/s). It uses the same rules as our Power Converter — reliable Power conversions, free and instant.
BTU/hour (BTU/hr) and Calorie/sec (cal/s) are units used in Power Converter. Enter a value above to convert BTU/hour (BTU/hr) into Calorie/sec (cal/s) using the standard relationship for this category.
Calorie/sec (cal/s) is the target unit on this page. Results come from BTU/hour (BTU/hr) using the same rules as the calculator and the reference table below.
Typical uses
- Compare BTU/hour (BTU/hr) and Calorie/sec (cal/s) 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/hr = 0.070046 cal/s
- 10 BTU/hr = 0.700457 cal/s
- 100 BTU/hr = 7.004565 cal/s
Tip: 1 BTU/hr equals 0.070046 cal/s. Multiply your amount by 0.070046 to convert from BTU/hr to cal/s.
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_hr Conversion table calorie_s
| BTU/hour (BTU/hr) (BTU/hr) | Calorie/sec (cal/s) (cal/s) |
|---|---|
| 1 BTU/hr | 0.070046 cal/s |
| 2 BTU/hr | 0.140091 cal/s |
| 5 BTU/hr | 0.350228 cal/s |
| 10 BTU/hr | 0.700457 cal/s |
| 20 BTU/hr | 1.400913 cal/s |
| 25 BTU/hr | 1.751141 cal/s |
| 50 BTU/hr | 3.502283 cal/s |
| 100 BTU/hr | 7.004565 cal/s |
| 250 BTU/hr | 17.511413 cal/s |
| 500 BTU/hr | 35.022825 cal/s |
| 1000 BTU/hr | 70.04565 cal/s |
How to convert
BTU/hour (BTU/hr) → Calorie/sec (cal/s)
To convert from BTU/hour (BTU/hr) (BTU/hr) to Calorie/sec (cal/s) (cal/s)，multiply your value by 0.070046.
For example，10 BTU/hr = 0.700457 cal/s.
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