Easily convert any measurement of butter cups to oz (ounces) with this online calculator. How many ounces are there in one cup of butter?
Measuring your butter by weight (ounces instead of cups) provides more accurate results in cooking. Please note that butter cups to oz conversion vary slightly by room temperature, quality of butter etc. But by using these conversion rates you can’t go wrong.
1 cup butter equals 8 ounces.
Online butter cups to oz calculator
Simply type in the cups measurement of your butter that you want to convert to ounces (oz). Then click the “Convert cups to ounces” button, and you’ll instantly get the weight in oz.
Butter cups to ouces conversion table
| Butter cups | Amount in ounces (oz) |
| 1/8 cup | 1 oz |
| 1/4 cup | 2 oz |
| 1/3 cup | 2.67 oz |
| 3/8 cup | 5.33 oz |
| 1/2 cup | 4 oz |
| 5/8 cup | 5 oz |
| 2/3 cup | 5.33 oz |
| 3/4 cup | 6 oz |
| 7/8 cup | 7 oz |
| 1 cup | 8 oz |
| 2 cups | 16 oz |
| 4 cups | 32 oz |