Foot-pounds to Microjoules Converter
Enter the energy in foot-pounds below to convert it to microjoules.
Convert Foot-pounds to Microjoules
Enter a value in foot-pounds (ft·lbf) to convert to microjoules (µJ).
Foot-pound to Microjoule Conversion Table
Table showing various foot-pound measurements converted to microjoules. Click any preset value or arrow to load it into the converter.
| Foot-pounds (ft·lbf) | Microjoules (µJ) |
|---|---|
| 0.0000001 ft·lbf | 0.1355818 µJ |
| 0.0000002 ft·lbf | 0.2711636 µJ |
| 0.0000003 ft·lbf | 0.4067454 µJ |
| 0.0000004 ft·lbf | 0.5423272 µJ |
| 0.0000005 ft·lbf | 0.677909 µJ |
| 0.0000006 ft·lbf | 0.8134908 µJ |
| 0.0000007 ft·lbf | 0.9490726 µJ |
| 0.0000008 ft·lbf | 1.0846544 µJ |
| 0.0000009 ft·lbf | 1.2202362 µJ |
| 0.00000001 ft·lbf | 0.0135582 µJ |
How to Convert Foot-pounds to Microjoules
To convert foot-pounds to microjoules, multiply the energy by the following conversion ratio: 1,355,817.9483314 microjoules/foot-pound.
Since one foot-pound is equal to 1,355,817.9483314 microjoules, you can use this simple formula to convert:
The energy in microjoules is equal to the energy in foot-pounds multiplied by 1,355,817.9483314.
For example, here's how to convert 5 foot-pounds to microjoules using the formula above.
How Many Microjoules Are in a Foot-pound?
There are 1,355,817.9483314 microjoules in a foot-pound, which is why we use this value in the formula above.
Our foot-pound to microjoule calculator automatically converts your energy measurements with full decimal and scientific precision across US customary, imperial, and SI metric standards.
Foot-pounds and microjoules are both units used to measure energy. Keep reading to learn more about each unit.
What Is a Foot-pound?
A foot-pound is a unit of energy equal to 1.3558179 joules (J), the base unit for energy. Mechanical work unit equal to 1.355818 Joules. [1]
The foot-pound is classified as a US customary and imperial unit of energy. Foot-pounds can be abbreviated as ft·lbf; for example, 1 foot-pound can be written as 1 ft·lbf.
When working with foot-pounds (ft·lbf) in formulas or technical specifications, always verify whether your target system uses SI metric, US customary, or British imperial standards.
In practice, foot-pounds (ft·lbf) are widely used across standard energy applications within US customary and imperial workflows, engineering documentation, and technical data sheets.
What Is a Microjoule?
A microjoule is a unit of energy equal to 1/1,000,000 of a joule (0.000001 J). One-millionth of a Joule. [2]
The microjoule is classified as a metric and SI-compatible unit of energy. Microjoules can be abbreviated as µJ; for example, 1 microjoule can be written as 1 µJ.
In the metric system, "micro" is the standard SI prefix for millionths, or 10⁻⁶. This makes the microjoule (µJ) a convenient decimal multiple of the joule (J).
In practice, microjoules (µJ) are widely used across fine-tolerance laboratory, analytical, and micro-scale energy measurements within SI metric workflows, engineering documentation, and technical data sheets.
When converting energy between foot-pounds (ft·lbf) and microjoules (µJ), keep full floating-point precision (1 ft·lbf = 1,355,817.9483314 µJ; 1 µJ = 0.000000738 ft·lbf) during intermediate calculations and round only the final microjoule figure to match your instrument tolerance.
More Foot-pound & Microjoule Conversions
Need to calculate in the opposite direction? Use our microjoules to foot-pounds calculator to switch your starting unit immediately. You can also explore related tools such as converting microjoules to foot-pounds, converting foot-pounds to joules, or converting joules to calories.
Convert from Foot-pounds
Frequently Asked Questions
References
- [1]NIST CODATA StandardNIST CODATA (CODATA Energy & Thermodynamic Constants)·Energy Metrology Standard — Foot-pounds (ft·lbf) to Microjoules (µJ)
- [2]NIST SP 811 SpecificationNIST SP 811 (NIST SP 811 App. B.9 (Energy, Work & Heat))·Unit Specifications: Foot-pound (ft·lbf) (ft·lbf) & Microjoule (µJ)
- [3]BIPM ReferenceBIPM (Derived SI Unit: Joule (J))·Conversion Factors & Mathematical Basis (ft·lbf to µJ)