Digital caliper and magnifying glass on dimensional engineering drawings

Free Injection Moulding Calculators

Calculators built for real engineering problems — genuinely free, no registration.

Clamp Force Calculator
Estimate the clamp tonnage needed for a part from its projected area and cavity pressure.
2D Tolerance Stack-Up
Worst-case and RSS linear tolerance stack-up across a chain of contributor dimensions.

More tools planned

Shot Size Calculator
Injection Pressure Calculator
Shrinkage Calculator
Part Weight Calculator
Mould Cost Estimator