TPU 250g filament — 86.6 m at 1.75 mm
TPU 250g at 1.2 g/cm³ holds 86.6 m of 1.75 mm filament, or 32.7 m at 2.85 mm. One metre weighs 2.886 g, so 10 g draws out 3.46 m.
Length on the spool
A 2.85 mm strand has 2.65 times the cross-section of 1.75 mm, so the same weight winds that much shorter. Making diameter an axis would only multiply the cells without changing the question, so each cell shows both. Which one you need is set by the printer — 1.75 mm is the de facto standard today, with 2.85 mm surviving on Bowden-style machines.
- ⌀ 1.75 mm · 2.886 g/m86.6 m
- ⌀ 2.85 mm · 7.655 g/m32.7 m
- Material
- TPU
- Net weight
- 250g
- Density
- 1.2 g/cm³
- Weight of 1 m
- 2.886 g
- Length per 10 g
- 3.46 m
- Volume
- 208.33 cm³
Nearby cells
Same material, other spools
Same weight, other materials
Worth knowing
- Length is the spool weight divided by the weight of one metre — cross-section times density.
- At the same weight, a denser material winds shorter.
- A 2.85 mm strand has 2.65 times the cross-section of 1.75 mm, and is that much shorter per kilogram.
- Weights here are net filament — the empty spool is not included.
Common questions
Q. How many metres is TPU 250g?
86.6 m at 1.75 mm and 32.7 m at 2.85 mm. At 1.2 g/cm³ one metre weighs 2.886 g and 7.655 g respectively.
Q. Can I get the remaining length from the remaining weight?
Yes. Each 10 g holds 3.46 m at 1.75 mm, so multiply the grams left after subtracting the empty spool: 100 g left is about 34.6 m.
Q. Is the length the same at 2.85 mm?
No. The cross-section is 2.65 times larger, one metre weighs 7.655 g, and the same 250g shortens to 32.7 m.