ton-force (metric) [tf] Unit Converter

Definition of ton-force (metric) [tf] unit

Ton-force (metric), also called tonne-force, is a unit of force equal to the gravitational force acting on a mass of one metric tonne under standard gravity. It equals exactly 9,806.65 newtons and is symbolized tf.

History of ton-force (metric) [tf] unit

The metric ton-force emerged alongside the adoption of the metric system and the tonne as a mass measure, especially in European engineering practice. It translated familiar weight-based measurements into a larger, practical force unit for machinery, lifting, construction, and materials testing. Its value was standardized through the conventional acceleration of gravity, 9.80665 m/s², making one tonne-force equal to 9,806.65 newtons. Although widely used in older technical documents and some industries, the International System of Units later favored the newton, encouraging tonne-force to become a non-SI, commonly understood engineering unit.

Applications of ton-force (metric) [tf] unit

Today, metric ton-force appears mainly in legacy specifications, heavy-equipment catalogs, civil-engineering documents, and industries accustomed to tonne-based loading. It may describe crane capacity, press force, pile-driving loads, hoisting ratings, or structural test forces. Modern calculations typically convert it to kilonewtons: 1 tf equals 9.80665 kN, avoiding ambiguity and aligning with SI practice.

Complete list of ton-force (metric) [tf] unit conversion

• newton [N] = 0.00010197162129779 ton-force (metric) [tf]
• kilonewton [kN] = 0.10197162129779 ton-force (metric) [tf]
• gram-force [gf] = 1.0E-6 ton-force (metric) [tf]
• kilogram-force [kgf] = 0.001 ton-force (metric) [tf]
• exanewton [EN] = 1.0197162129779E+14 ton-force (metric) [tf]
• petanewton [PT] = 101971621297.79 ton-force (metric) [tf]
• teranewton [TN] = 101971621.29779 ton-force (metric) [tf]
• giganewton [GN] = 101971.62129779 ton-force (metric) [tf]
• meganewton [MN] = 101.97162129779 ton-force (metric) [tf]
• hectonewton [hN] = 0.010197162129779 ton-force (metric) [tf]
• dekanewton [daN] = 0.0010197162129779 ton-force (metric) [tf]
• decinewton [dN] = 1.0197162129779E-5 ton-force (metric) [tf]
• centinewton [cN] = 1.0197162129779E-6 ton-force (metric) [tf]
• millinewton [mN] = 1.0197162129779E-7 ton-force (metric) [tf]
• micronewton [µN] = 1.0197162129779E-10 ton-force (metric) [tf]
• nanonewton [nN] = 1.0197162129779E-13 ton-force (metric) [tf]
• piconewton [pN] = 1.0197162129779E-16 ton-force (metric) [tf]
• femtonewton [fN] = 1.0197162129779E-19 ton-force (metric) [tf]
• attonewton [aN] = 1.0197162129779E-22 ton-force (metric) [tf]
• dyne [dyn] = 1.0197162129779E-9 ton-force (metric) [tf]
• joule/meter [J/m] = 0.00010197162129779 ton-force (metric) [tf]
• joule/centimeter [J/cm] = 0.010197162129779 ton-force (metric) [tf]
• ton-force (short) = 0.90718474 ton-force (metric) [tf]
• ton-force (long) [tonf (UK)] = 1.0160469088 ton-force (metric) [tf]
• kip-force [kipf] = 0.45359237 ton-force (metric) [tf]
• kilopound-force [kipf] = 0.45359237 ton-force (metric) [tf]
• pound-force [lbf] = 0.00045359237 ton-force (metric) [tf]
• ounce-force [ozf] = 2.8349523125E-5 ton-force (metric) [tf]
• poundal [pdl] = 1.4098081850173E-5 ton-force (metric) [tf]
• pound foot/square second = 1.4098081850173E-5 ton-force (metric) [tf]
• pond [p] = 1.0E-6 ton-force (metric) [tf]
• kilopond [kp] = 0.001 ton-force (metric) [tf]