3D printing math, done on your actual file.
Free tools that open your STL right in the browser and measure it. Files never leave your device.
Tools
STL weight & filament calculator
Drop an STL to get grams, metres of filament and cost for PLA, PETG, ABS and more.
Live3D print cost calculator
Filament, electricity, printer wear, labour, failure rate and markup — what to charge.
Live3D print time estimator
Drop an STL and estimate print time and energy use from layer height and speed.
LiveOnline STL viewer & measure
View any STL in 3D, get exact dimensions and check it fits your printer bed.
LiveSTL scale & unit fixer
Find the exact scale % to hit a target size, or fix inch/cm exports.
LiveFilament length ↔ weight converter
Convert metres of filament to grams and back for any material and diameter.
LiveLithophane generator
Turn a photo into a printable lithophane STL with a live 3D preview.
LiveResin print cost calculator
Resin volume with supports, bottle cost, power and price per MSLA print.
LiveInfill strength estimator
Compare infill % and pattern against weight and relative strength.
LiveName keychain generator
Type a name and download a printable keychain STL.