Resin Mix Ratio & Weight Converter

A 1:1 by volume is not 1:1 by weight because hardener is usually lighter than resin. Use the densities on your technical data sheet.

Total mixed amount (g or ml) Ratio part A Ratio part B Part A density g/ml Part B density g/ml

Published ratios for popular resins

Check your exact product; brands sell several formulas.

Product	Ratio
ArtResin	1:1 by volume
MAS Table Top Pro	1:1 volume (100:83 weight)
MAS Deep Pour	3:1 by volume
WiseBond Deep Pour	2:1 by volume
Alumilite Amazing Clear Cast	1:1 by volume

Weighing is more accurate than cups for small batches: a 1 ml error in a 10 ml jewelry batch is a 10% ratio error, often enough to leave soft, sticky spots.