Pound-force to Ton-force (long) Conversion
Convert between Pound-force and Ton-force (long) quickly and accurately.
How to Convert Pound-force to Ton-force (long)
Conversion Formula
Example
Convert 15 lbf to tonf (UK):
Unit Information
Learn about the force units you're converting between
Pound-force
lbf
Definition
Pound-force represents the gravitational force exerted on a mass of one pound under standard gravity conditions. It equals approximately 4.45 Newtons and is commonly used in engineering applications, particularly in the United States and other countries using imperial units.
History/Origin
Pound-force was widely used in engineering before the Newton became the standard SI unit. It provided an intuitive way to express forces in terms of familiar mass units. The unit was particularly popular in US engineering practices and remains in use in many applications.
Current Use
Still widely used in engineering applications, particularly in the United States. Common in mechanical engineering for torque specifications and in automotive applications. Used in material testing and in many industrial processes where the relationship to mass is important.
Multiplier
4.448
Offset
0
Ton-force (long)
tonf (UK)
Definition
Ton-force (long) represents the gravitational force exerted on a long ton (2,240 pounds) under standard gravity conditions. It equals approximately 9,964 Newtons and is used for measuring very large forces in industrial and engineering applications, particularly in the United Kingdom.
History/Origin
Ton-force (long) emerged as a practical unit for expressing large forces in industrial applications, particularly in the United Kingdom. It was particularly useful in heavy industry, mining, and construction where forces are measured in tons. The long ton version became standardized in the UK.
Current Use
Used in heavy industry for measuring large forces, such as in mining equipment, construction machinery, and industrial presses. Common in shipbuilding and offshore engineering in the United Kingdom. Used in some UK engineering standards and specifications for large-scale applications.
Multiplier
9964.016
Offset
0
Pound-force to Ton-force (long) Conversion Table
| Pound-force [lbf] | Ton-force (long) [tonf (UK)] |
|---|---|
| 1 lbf | 0.000446 tonf (UK) |
| 10 lbf | 0.004464 tonf (UK) |
| 25 lbf | 0.011161 tonf (UK) |
| 50 lbf | 0.022321 tonf (UK) |
| 100 lbf | 0.044643 tonf (UK) |
| 0 lbf | 0E+0 tonf (UK) |
| -10 lbf | -0.004464 tonf (UK) |
| -40 lbf | -0.017857 tonf (UK) |
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