Mixing Ratio Calculator

Split a batch of resin into part A and part B for any ratio, by volume and by weight, with the percentage each part takes.

Common ratio

A convenience list. The two ratio numbers below are what the calculation actually uses, so set them to whatever your product specifies.

Part A in the ratio

The first number of the ratio. For 2:1 enter 2 here and 1 below.

Part B in the ratio

The second number of the ratio.

Total mixed resin you need ml

Density of part A g/ml

Resin is often near 1.1 to 1.2 grams per millilitre. Check the technical data sheet for your product.

Density of part B g/ml

Hardener is often slightly less dense than resin, near 0.95 to 1.05 grams per millilitre.

Reset

Free calculator by Handcraft worked examples and methodology No account, nothing stored.