Convert between kips and other major units of force.

In the United States, 20ᵗʰ century – present, a unit of force = 1,000 pounds-force, approximately 4.448 222 × 10³ newtons, used by architects and structural engineers to describe deadweight loads and tensile strengths. From “kilo” + “pound”.



kip 1000 pounds
ksi Expression of stress in kips per square inch

Page xiv.

P Concentrated load (kips)

R End beam reaction for any condition of symmetrical loading

Page 2-111.

Table 3. Fastener Tension
[column heading] Maximum Fastener Tensiona in Thousands of Pounds (kips)
[footnote]a. Equal to 70% of specified minimum tensile strengths of bolts, rounded off to the nearest kip.

Page 5-214.

American Institute of Steel Construction.
Manual of Steel Construction. 8th edition.
Chicago: American Institute of Steel Construction, 1980.


In England, at least as early as the 16ᵗʰ – 17ᵗʰ centuries, a unit of count for skins, 30 for lamb and 50 for goat. Also spelled kippe, kyppe, and kipp.


Golde skynes the kyppe   xiii s. iiii d. [customs duty]

From a 1732 copy (British Museum Add. Roll, 16577) of a manuscript by T. Forgon, internally dated 15 July 1507, consisting of a list of customs duties on various articles, as reproduced as Appendix C in Norman Scott Brien Gras, The Early English Customs System, Cambridge (MA): Harvard University Press, 1918, page 698.


In Malaysia, ? – 19ᵗʰ century, a unit of mass primarily used for tin, about 9.19 kilograms. link to a chart showing relationships between units of mass in Malacca  Said to be equal to 37½ Dutch troy pond, but that is difficult to understand, as it is much closer to 37½ marks trooisch.

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