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Measuring fragrance oils on scale

Fragrance Blend Calculator

Many candle makers create custom fragrance profiles by blending multiple fragrance oils together. Determining the correct ratios for each scent can be challenging when working with different percentages and batch sizes. This fragrance blend calculator helps you divide fragrance oil into precise ratios so you can create balanced and repeatable scent blends. Whether you're experimenting with two fragrances or developing more complex combinations, this tool helps you calculate accurate fragrance proportions for candle making.

Candle Maker's Tools · No. 06

Fragrance Blend Calculator

Combine up to five fragrance oils into a custom blend. Set each note's share of the total — the calculator computes exact amounts and flags if your percentages don't add up to 100.

Total blend
Final batch amount
Notes — name optional, percentages required
Sum: 100%
Composition
Notes used
3
Total blend
4.00oz
Percent sum
100%

If your percentages don't sum to 100, the per-note amounts will still calculate proportionally but won't reach your target total. Adjust until the sum reads exactly 100%. Always test blends in small batches before scaling — fragrance interactions can shift throw and burn behavior. Working from consistent fragrance oil samples makes blend notes easier to repeat.

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