10 Foot-Pound/Second to BTU/Second
Quick answer
10 Foot-Pound/Second (ft·lbf/s) equals
0.012851 BTU/s
To convert 10 Foot-Pound/Seconds to BTU/Seconds, multiply by 0.0012850675. Therefore, 10 Foot-Pound/Second (ft·lbf/s) equals 0.012851 BTU/Second (BTU/s).
Formula: BTU/s = ft·lbf/s × 0.0012850675. Calculation: 10 × 0.0012850675 = 0.012851 BTU/s.
Convert Foot-Pound/Second (ft·lbf/s) to BTU/Second (BTU/s) online with our free unit converter. In power, 1 ft·lbf/s = 0.001285 BTU/s. Explore step-by-step conversion steps, mathematical formulas, and quick conversion reference tables below.
Worked example: converting Foot-Pound/Second to BTU/Second
- Step 1 — start with the formula. BTU/s = ft·lbf/s × 0.0012850675
- Step 2 — substitute your figure. 10 ft·lbf/s × 0.0012850675
- Step 3 — read the result. 10 ft·lbf/s = 0.012851 BTU/s
- Step 4 — check it in reverse. ft·lbf/s = BTU/s × 778.169262284 returns 10.0003 ft·lbf/s, which matches the figure you started with.
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10 ft·lbf/s = 0.012851 BTU/s
Formula:
BTU/s = ft·lbf/s × 0.0012850675With your value: 10 ft·lbf/s = 0.01285067 BTU/s
How big is that?
Everyday references on a logarithmic scale, all expressed in foot-pound/second so you can sanity-check the result.
Other Foot-Pound/Second to BTU/Second conversions
Foot-Pound/Second to BTU/Second Conversion Table
| Foot-Pound/Second (ft·lbf/s) | BTU/Second (BTU/s) |
|---|---|
| 0.5 | 0.000643 |
| 1 | 0.001285 |
| 2 | 0.00257 |
| 5 | 0.006425 |
| 10 | 0.012851 |
| 15 | 0.019276 |
| 20 | 0.025701 |
| 25 | 0.032127 |
| 50 | 0.064253 |
| 100 | 0.128507 |
| 250 | 0.321267 |
| 500 | 0.642534 |
| 1000 | 1.285067 |
BTU/Second to Foot-Pound/Second Conversion Table
| BTU/Second (BTU/s) | Foot-Pound/Second (ft·lbf/s) |
|---|---|
| 0.5 | 389.084631 |
| 1 | 778.169262 |
| 2 | 1,556.338525 |
| 5 | 3,890.846311 |
| 10 | 7,781.692623 |
| 15 | 11,672.538934 |
| 20 | 15,563.385246 |
| 25 | 19,454.231557 |
| 50 | 38,908.463114 |
| 100 | 77,816.926228 |
| 250 | 194,542.315571 |
| 500 | 389,084.631142 |
| 1000 | 778,169.262284 |
Where these values come from
Every factor on this page is traced to the document that defines it. See the full provenance dataset or our methodology.
Foot-Pound/Second (ft·lbf/s)
Power
Derived from the watt (1 W = 1 J/s).
Source: NIST Special Publication 811, Guide for the Use of the International System of Units
National Institute of Standards and Technology (US) · Reviewed 2026-07-01
BTU/Second (BTU/s)
Power
Derived from the watt (1 W = 1 J/s).
Source: NIST Special Publication 811, Guide for the Use of the International System of Units
National Institute of Standards and Technology (US) · Reviewed 2026-07-01
How to Convert Foot-Pound/Second to BTU/Second
To convert from Foot-Pound/Second (ft·lbf/s) to BTU/Second (BTU/s), multiply the value by 0.0012850675.
Formula: BTU/s = ft·lbf/s × 0.0012850675
Reverse: ft·lbf/s = BTU/s × 778.169262284
Step-by-Step Example
- Start with your value in Foot-Pound/Second. For example: 5 ft·lbf/s
- Multiply by the conversion factor: 5 x 0.0012850675
- The result is: 0.006425 BTU/s
Foot-Pound/Second and BTU/Second Relationship
Both Foot-Pound/Second and BTU/Second belong to the US Customary / Imperial system, making this an intra-system conversion within power. Since 1 Foot-Pound/Second represents a fraction of a BTU/Second (1 BTU/Second ≈ 778.1693 Foot-Pound/Seconds), the BTU/Second is the larger measurement interval. Understanding the relationship between Foot-Pound/Second and BTU/Second is essential for accurate calculations in physics, engineering, commerce, and daily applications.
About Foot-Pound/Second
The Foot-Pound/Second (symbol: ft·lbf/s) is a recognized unit in the US Customary / Imperial measurement framework, utilized within power applications for precision and standardized data representation.
Common uses of Foot-Pound/Second: power calculations, engineering and science, education.
About BTU/Second
The BTU/Second (symbol: BTU/s) is a recognized unit in the US Customary / Imperial measurement framework, utilized within power applications for precision and standardized data representation.
Common uses of BTU/Second: power calculations, engineering and science, education.
Frequently Asked Questions
- What is 10 Foot-Pound/Second in BTU/Second?
- 10 Foot-Pound/Second equals 0.012851 BTU/Second.
- How many BTU/Seconds are in 1 Foot-Pound/Second?
- There are exactly 0.0012850675 BTU/Seconds in 1 Foot-Pound/Second. This means the conversion factor from Foot-Pound/Second to BTU/Second is 0.0012850675.
- What is the formula to convert Foot-Pound/Second to BTU/Second?
- The formula to convert Foot-Pound/Second to BTU/Second is: BTU/s = ft·lbf/s × 0.0012850675. For example, to convert 10 Foot-Pound/Seconds to BTU/Seconds, you would multiply 10 by 0.0012850675.
- What is a Foot-Pound/Second?
- The Foot-Pound/Second (symbol: ft·lbf/s) is a recognized unit in the US Customary / Imperial measurement framework, utilized within power applications for precision and standardized data representation.
- What is a BTU/Second?
- The BTU/Second (symbol: BTU/s) is a recognized unit in the US Customary / Imperial measurement framework, utilized within power applications for precision and standardized data representation.
- What are the common uses of Foot-Pound/Second?
- The Foot-Pound/Second is commonly used in power calculations, engineering and science, education.
Related Power Conversions
Cite this page
UnitConvertLab. (2026). 10 Foot-Pound/Second to BTU/Second. UnitConvertLab. Retrieved from https://unitconvertlab.com/convert/10-foot_pound_per_second-to-btu_per_second