Turn per Centimeter (TPcm)
Turns per centimetre is 100 TPM. It is handy for filament and ply twist, where values are small, and on some twist testers.
Symbol: TPcm
Quantity: yarn twist (turns per unit length)
SI relation: 1 TPcm = 100 TPM (exact)
Derivation: 1 turn per cm = 100 turns per metre
Exact: yes, by definition
Typical uses
- Filament and ply twist
- Laboratory twist testers
Convert turns per centimetre to other units
| Conversion | 1 TPcm equals | Reverse |
|---|---|---|
| turn per centimetre to turn per metre | 100 TPM | turn per metre to turn per centimetre |
| turn per centimetre to turn per inch | 2.54 TPI | turn per inch to turn per centimetre |
| turn per centimetre to turn per foot | 30.48 TPF | turn per foot to turn per centimetre |
Open the Yarn Twist Converter to convert any value between all units.
Sources
- The International System of Units (SI), 9th edition (SI Brochure), Bureau International des Poids et Mesures .
Last reviewed: . Factors are stored exactly and computed with 50-digit decimal arithmetic. See how we verify conversion factors.
Cite this page
APA
Scientific Converters. (2026, October 15). Turn per Centimeter (TPcm). Retrieved October 25, 2026, from https://scientificconverters.com/units/turn-per-centimeter/
IEEE
Scientific Converters, "Turn per Centimeter (TPcm)," scientificconverters.com. Accessed: Oct. 25, 2026. [Online]. Available: https://scientificconverters.com/units/turn-per-centimeter/