Candle Wax Calculator

Work out the wax and fragrance oil for a batch of container candles from the container volume, the fill level, the wax type and the fragrance load.

Container volume fl oz

The volume of one container. Leave this and fill in the diameter and fill height below if you would rather measure.

Container diameter, cylindrical in

Inside diameter. Fill this in with the fill height to have the volume calculated from measurements instead.

Fill height, cylindrical in

Height from the base to the fill line, not the full height of the jar.

How many containers?

Fill percentage %

The share of the container filled with wax. 90 percent leaves useful headroom.

Wax type

Sets the density factor. See the reference table below the calculator.

Fragrance load %

A percentage of the wax weight. Soy is usually 6 to 10 percent, paraffin 3 to 10, and 6 is a common starting point.

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