Free precision tools for 3D printing, engineering, and digital fabrication. No sign-up, no ads, no limits.
Launch 3D Print CalculatorEvery tool you need for your next build.
Upload STL files or enter dimensions to calculate exact print costs. 50+ printer presets, 37 materials with real-time pricing from Bambu Lab, Prusa, Creality & more.
Track your filament inventory, usage per spool, remaining weight, and get alerts when stock is low. Supports all major brands.
Upload G-Code files to preview print paths, estimate print time, material usage and detect potential issues before printing.
Accurate print time estimates based on your specific printer profile, layer height, speed settings and model complexity.
Convert between metric and imperial units for length, weight, temperature, pressure, torque and more. Built for engineers.
Calculate tolerances for 3D printed parts, press fits, snap fits and threaded inserts. ISO and custom tolerance classes.