3D printing calculators
Each one runs in your browser, shows its formula, and keeps nothing you type. Results have a shareable link.
Print cost calculator
Filament, electricity, printer wear, failed prints and your time. Then a fair selling price.
Filament left on the spool
Weigh a spool and get grams and metres left. Converts length to weight for any material.
Electricity cost
Per print, per hour and per month, with current UK, US and EU tariffs.
Volumetric flow and max speed
Whether your speed, layer height and line width fit what your hotend can melt.
E-steps and rotation distance
Extruder calibration for Marlin and Klipper, with the commands to paste.
Printer comparison
Current printers side by side from manufacturer spec pages, plus a will-it-fit check.