g/m
gram per meter
Linear mass densityexact by definition
The gram per metre is exactly 0.001 kg/m, an exact prefix relation. It suits fine wire, filament and thread, where a kilogram per metre would be absurdly heavy for the object being described.
Watch out: Textiles use their own linear density units that are not metric multiples of this one. Tex is grams per 1000 metres, and denier is grams per 9000 metres, so a 70 denier yarn is 0.00778 g/m. Converting requires knowing which system a specification uses.
| 1 g/m | 0.001 kg/m |
Solvers that use linear mass density