Resin Coating Calculator

Work out the resin volume and weight to coat a table top, a canvas or a small piece at a given thickness, per coat and in total.

Surface type

Surface shape

Length cm

Rectangular surfaces and the footprint of an irregular one.

Width cm

Rectangular surfaces and the footprint of an irregular one.

Diameter cm

Circular surfaces. The tool uses half of this as the radius.

Shape factor

Irregular surfaces only. 1 is a flat panel, about 0.8 for a textured canvas, lower for deep carving.

Thickness per coat mm

A wet coat is often 0.3 to 1 mm. Check the maximum depth per layer on your product data sheet.

Number of coats

Waste allowance %

Resin density g/ml

About 1.05 to 1.2 grams per millilitre for most epoxy products.

Resin price per millilitre USD/ml

Optional. Leave at zero to skip the cost figures.

Reset

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