Filament
Filament Weight → Length Calculator
Estimate how many metres are left on a partial spool, or how far a given weight of filament will go.
Result
- Volume (cm³)—
Length—
How it's calculated
Volume = weight ÷ density. Cross-section area = π × (diameter/2)². Length = volume ÷ area, converted to metres.
Assumptions
- Uses a representative density for the chosen material.
FAQ
How many metres in a 1 kg PLA spool?
Roughly 330 m of 1.75 mm PLA per kilogram, depending on exact density. Set weight to 1000 g and material to PLA to see it.
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Disclaimer: These calculators are provided for guidance only and use representative material constants and published marketplace fee rates (as of June 2026). Real costs vary — always verify against your own figures before pricing or purchasing. PrintProfit is reader-supported and may earn a commission from links to recommended products, at no extra cost to you.