3D Printing Filament Length Calculator
PET • 1.80mm
Strong and chemical-resistant material similar to PETG. Estimate remaining filament length from spool net weight using material density and diameter cross-sectional area.
Selected Profile
Density
1.38 g/cm3
Diameter
1.8 mm
Length Estimation
Input net filament weight on spool. Result updates instantly.
Estimated Remaining Length
0.00 m
0.0% of full spool
Formula details
Volume (cm3) = Weight (g) / Density (g/cm3)
Radius (cm) = (Diameter (mm) / 10) / 2
Area (cm2) = PI * Radius^2
Length (m) = (Volume / Area) / 100