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How to Calculate How Much Fragrance You Need!

Posted on July 24, 2025

Although it seems a little confusing at first, working out how much fragrance you need to add to your wax is quite easy to do.

Using a Candle Fragrance Calculator

Determine what percentage of fragrance you want to start with. Between 6–10% of fragrance oil is best. If using essential oils, use a maximum of 6–7%.

How Much Wax and Fragrance to Use

Next, measure out how much wax you are going to use for your candles. (It doesn’t matter if you have a little left over, they make perfect tea lights. It’s always better to be slightly over than slightly under).

Fragrance Load and Wax Weight

Now, on a calculator or using our handy Percentage Fragrance Calculator, type in:

8% × 100 =

Example Calculation

8% of 395 g of wax = 31.6 ml of fragrance for 395 g of wax