Convert pound-force to ton-force (long)
Please provide values below to convert pound-force [lbf] to ton-force (long) [tonf (UK)], or Convert ton-force (long) to pound-force.
1 lbf = 0.000446428571823 tonf (UK). To convert pound-force to ton-force (long), multiply the value by 0.000446428571823; to go the other way, divide by it (1 tonf (UK) = 2239.99999802 lbf). Both units measure force and appear in everyday as well as technical calculations, so switching between them quickly is often useful.
Quick Reference
- 1 lbf = 0.000446428571823 tonf (UK)
- 1 tonf (UK) = 2239.99999802 lbf
- 10 lbf = 0.00446428571823 tonf (UK)
- 100 lbf = 0.0446428571823 tonf (UK)
How to Convert Pound-Force to Ton-Force (Long)
1 lbf = 0.000446428571822847 tonf (UK)
Example: convert 15 lbf to tonf (UK):
15 lbf = 15 × 0.000446428571822847 tonf (UK) = 0.00669642857734271 tonf (UK)
Pound-Force to Ton-Force (Long) Conversion Table
| pound-force | ton-force (long) |
|---|---|
| 1 lbf | 0.000446428571823 tonf (UK) |
| 2 lbf | 0.000892857143646 tonf (UK) |
| 3 lbf | 0.00133928571547 tonf (UK) |
| 5 lbf | 0.00223214285911 tonf (UK) |
| 10 lbf | 0.00446428571823 tonf (UK) |
| 20 lbf | 0.00892857143646 tonf (UK) |
| 50 lbf | 0.0223214285911 tonf (UK) |
| 100 lbf | 0.0446428571823 tonf (UK) |
| 500 lbf | 0.223214285911 tonf (UK) |
| 1000 lbf | 0.446428571823 tonf (UK) |
Pound-Force
Pound-force (lbf) is a unit of force in the imperial system, defined as the force required to accelerate a one-pound mass at a rate of 32.174 feet per second squared.
History/Origin
The pound-force originated from the British Imperial system and has been used historically in engineering and physics to quantify force, especially in the United States and the UK, before the widespread adoption of the SI system.
Current Use
Today, pound-force is primarily used in the United States and some other countries for engineering, manufacturing, and mechanical applications where imperial units are still prevalent, often in contexts like specifying engine torque or structural loads.
Ton-Force (Long)
A unit of force equal to the force exerted by one long ton (2,240 pounds) under standard gravity, approximately 20,000 pounds-force.
History/Origin
The ton-force (long) originated from the use of the long ton in the UK, primarily for engineering and maritime purposes, before the adoption of SI units. It was used to measure force in contexts where imperial units were standard.
Current Use
The ton-force (long) is largely obsolete in modern scientific and engineering contexts, replaced by the newton. It may still be used in some historical or niche applications within the UK or in legacy systems.
Frequently Asked Questions
What is 1 pound-force in ton-force (long)?
1 pound-force (lbf) = 0.000446428571823 ton-force (long) (tonf (UK)).
How do you convert pound-force to ton-force (long)?
Multiply the pound-force value by 0.000446428571823. For example, 25 lbf × 0.000446428571823 = 0.0111607142956 tonf (UK).
What is 10 pound-force in ton-force (long)?
10 lbf = 0.00446428571823 tonf (UK).
Which unit is larger, the pound-force or the ton-force (long)?
The ton-force (long) is the larger unit: 1 lbf equals only 0.000446428571823 tonf (UK).