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Free tool

How many metres of filament are on a spool?

Choose the material, the thickness and the weight of your filament. You see roughly how many metres that is, with the spools and their lowest price per kilo.

Material
Diameter
1000 g
0 g
Leave it at 0 if you only want the metres.

1,000 grams is about 335 metres of filament

PLA weighs 1.24 grams per cm³; we count with 1.75 mm filament.

Cheapest spool per kilo
€12 per kg

These fit your result

See everything in the list

  1. €12Per kilo

    • Weight 5,000 g
    • Metres 1,676 m
    Go to Bol Marketplace

  2. €12Per kilo

    • Weight 5,000 g
    • Metres 1,676 m
    Go to Bol Marketplace

  3. €12.35Per kilo

    • Weight 5,000 g
    • Metres 1,676 m
    Go to Bol Marketplace

  4. €12.35Per kilo

    • Weight 5,000 g
    • Metres 1,676 m
    Go to Bol Marketplace

  5. €12.35Per kilo

    • Weight 5,000 g
    • Metres 1,676 m
    Go to Bol Marketplace

  6. €12.98Per kilo

    • Weight 1,000 g
    • Metres 335 m
    Go to Joybuy

  7. €12.98Per kilo

    • Weight 1,000 g
    • Metres 335 m
    Go to Joybuy

  8. €12.98Per kilo

    • Weight 1,000 g
    • Metres 335 m
    Go to Joybuy

  9. €12.98Per kilo

    • Weight 1,000 g
    • Metres 335 m
    Go to Joybuy

  10. €12.98Per kilo

    • Weight 1,000 g
    • Metres 335 m
    Go to Joybuy

  11. €12.98Per kilo

    • Weight 1,000 g
    • Metres 335 m
    Go to Joybuy

  12. €12.98Per kilo

    • Weight 1,000 g
    • Metres 335 m
    Go to Joybuy

Prices from the shops we compare. Nobody pays for a place. How we rank

How we calculate

We turn weight into length: metres = grams divided by the density of the material, divided by the cross-section of the strand. One kilo of 1.75 mm PLA is about 335 metres.

It stays an estimate. Density differs per brand by a few percent. For PLA the stated values range from about 1.17 to 1.31 g/cm³. We use a middle value per material. Enter the net weight of the filament, so without the empty spool. That often weighs 150 to 300 grams.

We leave out carbon fibre and glass fibre filament, because the density varies too much there. The spools you see are ranked by the lowest price per kilo at the shops we compare.

Sources