Direct conversion

btu per hour to calorie per second Converter

Convert BTU per hour [BTU/h] to calorie per second [cal/s] instantly with formula, examples, chart, and FAQs.

Quick answer

1 BTU per hour [BTU/h] = 0.070046 calorie per second [cal/s].

Use the calculator below for any custom value, then check the formula, examples, chart, and reverse conversion links.

btu per hour to calorie per second Converter

Instant results

From value From unit Result To unit

1 BTU per hour [BTU/h] = 0.070046 calorie per second [cal/s]

Reverse conversion: calorie per second to BTU per hour All Power units Full conversion chart Step-by-step guide

Formula Examples Table FAQ

Conversion Formula

1 BTU per hour [BTU/h] = 0.070046 calorie per second [cal/s]

Example: 1 BTU per hour [BTU/h] equals 0.070046 calorie per second [cal/s].

Examples

1 BTU per hour [BTU/h] = 0.070046 calorie per second [cal/s]

2 BTU per hour [BTU/h] = 0.140091 calorie per second [cal/s]

5 BTU per hour [BTU/h] = 0.350228 calorie per second [cal/s]

10 BTU per hour [BTU/h] = 0.700457 calorie per second [cal/s]

20 BTU per hour [BTU/h] = 1.400913 calorie per second [cal/s]

25 BTU per hour [BTU/h] = 1.751142 calorie per second [cal/s]

Practical Uses for btu per hour to calorie per second

quick homework checksshopping and product comparisonstravel planningprofessional estimatesDIY and household measurementsgeneral reference

Sources and Accuracy

Power conversions use watt as the reference unit and include mechanical horsepower, electrical power, and heat-rate units.

Displayed results are rounded for readability. The calculator keeps enough precision for everyday use and switches to scientific notation for very large or very small values. Last reviewed: 2026-05-21.

About These Units

BTU per hour [BTU/h]

Definition

The BTU per hour (BTU/h) is a power unit used to express measurements in this converter.

History

This unit is included because it appears in practical measurement systems, technical references, product specifications, or everyday conversion needs.

Current use

Use BTU per hour when comparing power values, checking specifications, converting between systems, or preparing quick estimates.

calorie per second [cal/s]

Definition

The calorie per second (cal/s) is a power unit used to express measurements in this converter.

History

This unit is included because it appears in practical measurement systems, technical references, product specifications, or everyday conversion needs.

Current use

Use calorie per second when comparing power values, checking specifications, converting between systems, or preparing quick estimates.

How to Convert

Enter the value in the “From value” field.
Confirm the source unit is BTU per hour [BTU/h].
Confirm the target unit is calorie per second [cal/s].
Read the instant result and formula.

Where This Conversion Is Used

EducationConstructionShoppingTravelEngineeringEveryday planning

btu per hour to calorie per second Conversion Chart

Open full chart →

BTU per hour [BTU/h]	calorie per second [cal/s]
1	0.070046
2	0.140091
5	0.350228
10	0.700457
20	1.400913
25	1.751142
50	3.502283
100	7.004567
1000	70.045667

Frequently Asked Questions

How do I convert BTU per hour to calorie per second?

Use this formula: 1 BTU per hour [BTU/h] = 0.070046 calorie per second [cal/s] Enter your value in the calculator and the result updates instantly.

How many calorie per second are in 1 BTU per hour?

1 BTU per hour [BTU/h] equals 0.070046 calorie per second [cal/s].

Can I reverse this conversion?

Yes. Use the swap button in the calculator or open the related reverse conversion link when it is listed on this page.

Convert BTU per hour to Other Units

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