13 Foot-Pound to Newton-Meter
Quick answer
13 Foot-Pound (ft·lbf) equals
17.625633 N·m
To convert 13 Foot-Pounds to Newton-Meters, multiply by 1.3558179483. Therefore, 13 Foot-Pound (ft·lbf) equals 17.625633 Newton-Meter (N·m).
Formula: N·m = ft·lbf × 1.3558179483. Calculation: 13 × 1.3558179483 = 17.625633 N·m.
Convert Foot-Pound (ft·lbf) to Newton-Meter (N·m) online with our free unit converter. In torque, 1 ft·lbf = 1.355818 N·m. Explore step-by-step conversion steps, mathematical formulas, and quick conversion reference tables below.
Worked example: converting Foot-Pound to Newton-Meter
- Step 1 — start with the formula. N·m = ft·lbf × 1.3558179483
- Step 2 — substitute your figure. 13 ft·lbf × 1.3558179483
- Step 3 — read the result. 13 ft·lbf = 17.625633 N·m
- Step 4 — check it in reverse. ft·lbf = N·m × 0.7375621493 returns 13 ft·lbf, which matches the figure you started with.
Torque Converter
11 units available
13 ft·lbf = 17.625633 N·m
Formula:
N·m = ft·lbf × 1.3558179483With your value: 13 ft·lbf = 17.62563333 N·m
Other Foot-Pound to Newton-Meter conversions
Foot-Pound to Newton-Meter Conversion Table
| Foot-Pound (ft·lbf) | Newton-Meter (N·m) |
|---|---|
| 0.5 | 0.677909 |
| 1 | 1.355818 |
| 2 | 2.711636 |
| 5 | 6.77909 |
| 10 | 13.558179 |
| 15 | 20.337269 |
| 20 | 27.116359 |
| 25 | 33.895449 |
| 50 | 67.790897 |
| 100 | 135.581795 |
| 250 | 338.954487 |
| 500 | 677.908974 |
| 1000 | 1,355.817948 |
Newton-Meter to Foot-Pound Conversion Table
| Newton-Meter (N·m) | Foot-Pound (ft·lbf) |
|---|---|
| 0.5 | 0.368781 |
| 1 | 0.737562 |
| 2 | 1.475124 |
| 5 | 3.687811 |
| 10 | 7.375621 |
| 15 | 11.063432 |
| 20 | 14.751243 |
| 25 | 18.439054 |
| 50 | 36.878107 |
| 100 | 73.756215 |
| 250 | 184.390537 |
| 500 | 368.781075 |
| 1000 | 737.562149 |
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 (ft·lbf)
Torque
Derived from the newton metre; imperial torque uses the exact pound-force and foot.
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
Newton-Meter (N·m)
Torque
Derived from the newton metre; imperial torque uses the exact pound-force and foot.
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
Standards and context behind Foot-Pound to Newton-Meter
- Fastener torque specs
- Service manuals quote N·m in metric markets and lbf·ft in the US; 1 lbf·ft = 1.35582 N·m.
How to Convert Foot-Pound to Newton-Meter
To convert from Foot-Pound (ft·lbf) to Newton-Meter (N·m), multiply the value by 1.3558179483.
Formula: N·m = ft·lbf × 1.3558179483
Reverse: ft·lbf = N·m × 0.7375621493
Step-by-Step Example
- Start with your value in Foot-Pound. For example: 5 ft·lbf
- Multiply by the conversion factor: 5 x 1.3558179483
- The result is: 6.77909 N·m
Foot-Pound and Newton-Meter Relationship
This conversion bridges the US Customary / Imperial and Metric (SI) measurement systems, commonly required when translating scientific data, international engineering specifications, or trade standards. Since 1 Foot-Pound equals approximately 1.3558 Newton-Meters, the Foot-Pound represents a larger unit interval than the Newton-Meter. Understanding the relationship between Foot-Pound and Newton-Meter is essential for accurate calculations in physics, engineering, commerce, and daily applications.
About Foot-Pound
Foot-pound force (ft·lbf) is a unit of torque in the imperial system. It represents one pound of force acting at a distance of one foot from a pivot point.
Common uses of Foot-Pound: automotive specs, US engineering, tooling.
About Newton-Meter
The newton-meter (N·m) is the SI unit of torque (also called moment). It is the torque resulting from a force of one newton applied perpendicularly to a moment arm of one meter.
Common uses of Newton-Meter: engine torque, bolt tightening, mechanical engineering.
Frequently Asked Questions
- What is 13 Foot-Pound in Newton-Meter?
- 13 Foot-Pound equals 17.625633 Newton-Meter.
- How many Newton-Meters are in 1 Foot-Pound?
- There are exactly 1.3558179483 Newton-Meters in 1 Foot-Pound. This means the conversion factor from Foot-Pound to Newton-Meter is 1.3558179483.
- What is the formula to convert Foot-Pound to Newton-Meter?
- The formula to convert Foot-Pound to Newton-Meter is: N·m = ft·lbf × 1.3558179483. For example, to convert 10 Foot-Pounds to Newton-Meters, you would multiply 10 by 1.3558179483.
- What is a Foot-Pound?
- Foot-pound force (ft·lbf) is a unit of torque in the imperial system. It represents one pound of force acting at a distance of one foot from a pivot point.
- What is a Newton-Meter?
- The newton-meter (N·m) is the SI unit of torque (also called moment). It is the torque resulting from a force of one newton applied perpendicularly to a moment arm of one meter.
- What are the common uses of Foot-Pound?
- The Foot-Pound is commonly used in automotive specs, US engineering, tooling.
- Is foot-pound of torque the same as a foot-pound of energy?
- Numerically similar but conceptually different: torque is force × lever arm, energy is force × displacement along the force.
Related Torque Conversions
Cite this page
UnitConvertLab. (2026). 13 Foot-Pound to Newton-Meter. UnitConvertLab. Retrieved from https://unitconvertlab.com/convert/13-foot_pound_torque-to-newton_meter