Fragrance & Essential Oil Calculator
Find the right amount of fragrance oil or essential oil for your soap, lotion, or body butter recipe. Each base has a different safe usage range — this tool calculates the exact weight you need and warns you if your load is above the recommended maximum for the product type you've selected.
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Recommended for Cold Process: 3–6%.
Adjust between 1% and 10%. IFRA safety limits vary by fragrance — always check supplier guidance.
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Recommended Usage Rates
These are typical industry guidelines. Specific fragrance oils may have lower IFRA maximums — always reference the manufacturer's safety data sheet for the exact product.
- Cold Process Soap: 3–6% of oil weight (max ~6%).
- Hot Process Soap: 1–3% — added after the cook to preserve scent.
- Lotion: 0.5–2% of total batch weight.
- Body Butter: 1–3% of total weight.