How to Calculate Butter to Oil Converter

What is Butter to Oil Converter?

A butter-to-oil converter helps bakers substitute oil for butter. Because butter is ~80% fat and oil is 100% fat, you use ¾ the amount of oil when replacing butter.

Formula

Butter to oil: Butter (g) × 0.75 = Oil (mL) | Oil to butter: Oil (mL) / 0.75 = Butter (g)

B: Butter amount (grams)
O: Oil amount (mL)
k: Conversion factor (0.75)

Step-by-Step Guide

1Oil = Butter × 0.75 (use less oil)
2Butter = Oil / 0.75 (use more butter)
3Oil makes baked goods moister; butter adds flavour and flakiness
4For savoury cooking: 1:1 is usually fine

Worked Examples

Input

200g butter in recipe

Result

Replace with 150g vegetable or sunflower oil

Frequently Asked Questions

What is Butter-To-Oil?

A butter-to-oil converter helps bakers substitute oil for butter. Because butter is ~80% fat and oil is 100% fat, you use ¾ the amount of oil when replacing butter

How accurate is the Butter-To-Oil calculator?

The calculator uses the standard published formula for butter-to-oil. Results are accurate to the precision of the inputs you provide. For financial, medical, or legal decisions, always verify with a qualified professional.

What units does the Butter-To-Oil calculator use?

This calculator works with inches, percentages. You can enter values in the units shown — the calculator handles all conversions internally.

What formula does the Butter-To-Oil calculator use?

The core formula is: Oil = Butter × 0.75 (use less oil). Each step in the calculation is shown so you can verify the result manually.

Ready to calculate? Try the free Butter to Oil Converter Calculator

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