Taste first
Robust extra-virgin oil is noticeable; mild or refined olive oil is easier to replace quietly.
Account for flavour and density
Olive Oil to Butter Converter
Olive oil is slightly lighter than vegetable oil and contributes a recognisable flavour. The calculator applies olive oil's own density before matching the butterfat.
One US cup of olive oil weighs about 216 g, so the exact fat match is 270 g butter.
Use
1.1 g
Which is also
- 0 cups
- ⅛ tbsp
- 0 sticks
- Butter is about 80% fat, so you need more of it by weight to carry the same fat as oil.
- About 80% fat, 16-17% water and milk solids. The water is why butter and oil are not a straight swap.
Show the maths
| Formula | 0.9 g × 1 fat ÷ 0.8 fat = 1.13 g |
|---|---|
| Source | 0.9 g · 0.9 g fat |
| Result | 1.13 g · 0.9 g fat |
| Ratio | ×1.25 |
Common amounts
Olive oil to butter chart
| Source | Quick | Exact | Exact grams |
|---|---|---|---|
| 30 ml | 35.5 g | 33.8 g | 33.75 g |
| 50 ml | 59.1 g | 56.3 g | 56.25 g |
| 60 ml | 70.9 g | 67.5 g | 67.5 g |
| 80 ml | 94.6 g | 90 g | 90 g |
| 100 ml | 118 g | 113 g | 112.5 g |
| 120 ml | 142 g | 135 g | 135 g |
| 150 ml | 177 g | 169 g | 168.75 g |
| 200 ml | 236 g | 225 g | 225 g |
| 250 ml | 296 g | 281 g | 281.25 g |
What matters in the kitchen
How to use this conversion
Good pairings
Butter works naturally in chocolate, citrus, almond and spice bakes that already suit olive oil.
Use the density
A volume-only shortcut misses the small but real weight difference between oils.
Questions about this tool
Olive Oil to Butter Converter FAQ
What is the key result from the Olive Oil to Butter Converter?
One US cup of olive oil weighs about 216 g, so the exact fat match is 270 g butter.
What should I keep in mind when using this olive oil to butter converter?
Replacing olive oil removes its fruity and peppery notes, even when the fat quantity is matched perfectly.
Taste first: what does that mean?
Robust extra-virgin oil is noticeable; mild or refined olive oil is easier to replace quietly.