Soap Batch Scaling Calculator
Scale a soap recipe up or down by multiplying oil, lye, and water amounts by a scale factor.
Inputs
oz
oz
oz
x
Results
Scaled Oil Weight
48 oz
Scaled Lye (NaOH)
6.15 oz
Scaled Water
12.45 oz
Scaled Total Weight66.6 oz
~4 oz Bars16
Size Change50%
Bars Original11
How to Use This Calculator
- Enter the original recipe quantities: oil weight, lye (NaOH), and water.
- Set the scale factor (e.g., 2.0 to double the batch).
- Review Scaled Oil, Scaled Lye (NaOH), Scaled Water, and Scaled Total weight.
- Use the scaled values directly in your recipe — all ingredient ratios are preserved.
Ad Placeholder
Related Calculators
Cold Process Soap Calculator
Calculate the lye (NaOH) and water amounts needed for cold process soap making based on oil weight, SAP value, lye concentration, and superfat percentage.
Soap Superfat Calculator
Calculate the actual superfat percentage and excess oil in your soap batch based on oil weight, lye amount, and SAP value.
Soap Colorant Calculator
Calculate how much mica, oxide, or liquid colorant to add to your soap batch based on oil weight and desired color intensity.
Essential Oil Blend Calculator
Calculate drops per fragrance note (top, middle, base) for a custom essential oil blend based on total drops and note percentages.
Ad Placeholder