Glaze Quantity Calculator

Glaze needed for a batch of pots, the dry glaze powder to make it, and the bucket size to mix it in.

Glazed surface of one piece sq cm

Every surface that gets glaze: outside, inside a bowl, the base if it is not wiped.

Number of pieces

How the glaze goes on

Dipping is the most economical way to cover a repeated form. Spraying loses glaze to the booth, brushing uses the least volume but needs more coats.

Coats

One for a dipped glaze at working thickness, two or three for a brushed one.

Slurry specific gravity

A dipping glaze mixed at working thickness is usually about 1.4 to 1.6.

Dry glaze in the slurry by weight %

Roughly 30 to 40 percent for a dipping glaze. Check the supplier data for the recipe you use.

Reserve left in the bucket %

The glaze that stays in the bucket between batches. Twenty percent is a fair working figure.

Price of dry glaze per kilogram

Optional. Used for the cost per piece.

Height of the largest piece cm

Used for the bucket size. Leave at zero if you do not need it.

Reset

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