3 Foot-Pound/Minute to BTU/Second
Quick answer
3 Foot-Pound/Minute (ft·lbf/min) equals
6.425337e-5 BTU/s
To convert 3 Foot-Pound/Minutes to BTU/Seconds, multiply by 2.141779e-5. Therefore, 3 Foot-Pound/Minute (ft·lbf/min) equals 6.425337e-5 BTU/Second (BTU/s).
Formula: BTU/s = ft·lbf/min × 2.141779e-5. Calculation: 3 × 2.141779e-5 = 6.425337e-5 BTU/s.
Convert Foot-Pound/Minute (ft·lbf/min) to BTU/Second (BTU/s) online with our free unit converter. In power, 1 ft·lbf/min = 2.141779e-5 BTU/s. Explore step-by-step conversion steps, mathematical formulas, and quick conversion reference tables below.
Worked example: converting Foot-Pound/Minute to BTU/Second
- Step 1 — start with the formula. BTU/s = ft·lbf/min × 0.0000214178
- Step 2 — substitute your figure. 3 ft·lbf/min × 2.141779e-5
- Step 3 — read the result. 3 ft·lbf/min = 6.425337e-5 BTU/s
- Step 4 — check it in reverse. ft·lbf/min = BTU/s × 46,690.1557473703 returns 3 ft·lbf/min, which matches the figure you started with.
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3 ft·lbf/min = 6.425337e-5 BTU/s
Formula:
BTU/s = ft·lbf/min × 0.0000214178With your value: 3 ft·lbf/min = 6.425337e-5 BTU/s
How big is that?
Everyday references on a logarithmic scale, all expressed in foot-pound/minute so you can sanity-check the result.
Other Foot-Pound/Minute to BTU/Second conversions
Foot-Pound/Minute to BTU/Second Conversion Table
| Foot-Pound/Minute (ft·lbf/min) | BTU/Second (BTU/s) |
|---|---|
| 0.5 | 1.070890e-5 |
| 1 | 2.141779e-5 |
| 2 | 4.283558e-5 |
| 5 | 0.000107 |
| 10 | 0.000214 |
| 15 | 0.000321 |
| 20 | 0.000428 |
| 25 | 0.000535 |
| 50 | 0.001071 |
| 100 | 0.002142 |
| 250 | 0.005354 |
| 500 | 0.010709 |
| 1000 | 0.021418 |
BTU/Second to Foot-Pound/Minute Conversion Table
| BTU/Second (BTU/s) | Foot-Pound/Minute (ft·lbf/min) |
|---|---|
| 0.5 | 23,345.077874 |
| 1 | 46,690.155747 |
| 2 | 93,380.311495 |
| 5 | 233,450.778737 |
| 10 | 466,901.557474 |
| 15 | 700,352.336211 |
| 20 | 933,803.114947 |
| 25 | 1,167,253.893684 |
| 50 | 2,334,507.787369 |
| 100 | 4,669,015.574737 |
| 250 | 11,672,538.936843 |
| 500 | 23,345,077.873685 |
| 1000 | 46,690,155.74737 |
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/Minute (ft·lbf/min)
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/Minute to BTU/Second
To convert from Foot-Pound/Minute (ft·lbf/min) to BTU/Second (BTU/s), multiply the value by 2.141779e-5.
Formula: BTU/s = ft·lbf/min × 0.0000214178
Reverse: ft·lbf/min = BTU/s × 46,690.1557473703
Step-by-Step Example
- Start with your value in Foot-Pound/Minute. For example: 5 ft·lbf/min
- Multiply by the conversion factor: 5 x 2.141779e-5
- The result is: 0.000107 BTU/s
Foot-Pound/Minute and BTU/Second Relationship
Both Foot-Pound/Minute and BTU/Second belong to the US Customary / Imperial system, making this an intra-system conversion within power. Since 1 Foot-Pound/Minute represents a fraction of a BTU/Second (1 BTU/Second ≈ 4.669e+4 Foot-Pound/Minutes), the BTU/Second is the larger measurement interval. Understanding the relationship between Foot-Pound/Minute and BTU/Second is essential for accurate calculations in physics, engineering, commerce, and daily applications.
About Foot-Pound/Minute
The Foot-Pound/Minute (symbol: ft·lbf/min) 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/Minute: 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 3 Foot-Pound/Minute in BTU/Second?
- 3 Foot-Pound/Minute equals 6.425337e-5 BTU/Second.
- How many BTU/Seconds are in 1 Foot-Pound/Minute?
- There are exactly 2.141779e-5 BTU/Seconds in 1 Foot-Pound/Minute. This means the conversion factor from Foot-Pound/Minute to BTU/Second is 2.141779e-5.
- What is the formula to convert Foot-Pound/Minute to BTU/Second?
- The formula to convert Foot-Pound/Minute to BTU/Second is: BTU/s = ft·lbf/min × 0.0000214178. For example, to convert 10 Foot-Pound/Minutes to BTU/Seconds, you would multiply 10 by 2.141779e-5.
- What is a Foot-Pound/Minute?
- The Foot-Pound/Minute (symbol: ft·lbf/min) 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/Minute?
- The Foot-Pound/Minute is commonly used in power calculations, engineering and science, education.
Related Power Conversions
Cite this page
UnitConvertLab. (2026). 3 Foot-Pound/Minute to BTU/Second. UnitConvertLab. Retrieved from https://unitconvertlab.com/convert/3-foot_pound_per_minute-to-btu_per_second