Scale Converter

Scale a recipe, a pattern or a materials list by a factor, or from one batch size to another.

How do you want to scale it?

Quantity of one ingredient units

Grams, millilitres, metres, sheets, pieces. Take each line of the original list through this tool in turn.

Multiply by times

The multiple. Two doubles the list, 0.5 halves it.

Original batch size

The size the original list is written for: thirty candles, five metres, twelve portions.

New batch size

Number of sub batches to divide into

Only used by the divide option, for splitting a mix into smaller working portions.

Ingredients or lines in the list

Used for the total across the whole list.

Round the practical figure to units

A hundredth of a gram is a common scale resolution. Use 1 for whole units such as sheets or eggs.

Total of the whole original list units

Optional. The sum of all the original quantities, for the total after scaling.

Reset

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