Professional Body Filler Calculator

Estimate body filler and hardener quantities by weight for a stated repair size. The repair geometry and product's specified hardener percentage determine the actual mix.

1. Describe the Damage

2. Your Estimated Mix

Estimated Filler Needed

0 g


Required Hardener (at 2.5% ratio)

This is a professional estimate by weight. Always mix on a clean, non-absorbent surface. Incompatible combinations will show an error.