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1 US cup = 240 ml, 1 tablespoon = 15 ml, 1 teaspoon = 5 ml. Figures verified 5 August 2026. https://cupsngrams.com/sour-cream
Sour Cream: Cups to Grams
One US cup (240 ml) of sour cream weighs 230 grams; half a cup weighs 115 grams. A quarter cup is 57.5 grams, a tablespoon is 14.4 grams and a teaspoon is 4.79 grams. A cup measures volume, not weight, so these numbers are for sour cream only: a cup of all-purpose flour weighs 125 grams.
230 g
1 cup of sour cream = 230 g (US legal cup, 240 ml)
1 cup of sour cream = 230 g (US legal cup, 240 ml)
Based on sour cream at 230 g per US cup.
CupsToGrams, cupsngrams.com
Baking from a UK, Australian or New Zealand recipe? Their cup is not the American one. Pick the standard your recipe assumes and every cup figure follows it.
Sour Cream conversion table
| Cups | Cups (decimal) | Grams | Tablespoons | Millilitres | Ounces (weight) |
|---|---|---|---|---|---|
| 1/8 cup | 0.125 | 28.8 g | 2 tbsp | 30 ml | 1.01 oz |
| 1/4 cup | 0.25 | 57.5 g | 4 tbsp | 60 ml | 2.03 oz |
| 1/3 cup | 0.33 | 76.7 g | 5.33 tbsp | 80 ml | 2.7 oz |
| 1/2 cup | 0.5 | 115 g | 8 tbsp | 120 ml | 4.06 oz |
| 2/3 cup | 0.67 | 153 g | 10.7 tbsp | 160 ml | 5.41 oz |
| 3/4 cup | 0.75 | 173 g | 12 tbsp | 180 ml | 6.08 oz |
| 1 cup | 1 | 230 g | 16 tbsp | 240 ml | 8.11 oz |
| 1 1/4 cups | 1.25 | 288 g | 20 tbsp | 300 ml | 10.1 oz |
| 1 1/3 cups | 1.33 | 307 g | 21.3 tbsp | 320 ml | 10.8 oz |
| 1 1/2 cups | 1.5 | 345 g | 24 tbsp | 360 ml | 12.2 oz |
| 1 2/3 cups | 1.67 | 383 g | 26.7 tbsp | 400 ml | 13.5 oz |
| 1 3/4 cups | 1.75 | 403 g | 28 tbsp | 420 ml | 14.2 oz |
| 2 cups | 2 | 460 g | 32 tbsp | 480 ml | 16.2 oz |
| 2 1/4 cups | 2.25 | 518 g | 36 tbsp | 540 ml | 18.3 oz |
| 2 1/2 cups | 2.5 | 575 g | 40 tbsp | 600 ml | 20.3 oz |
| 3 cups | 3 | 690 g | 48 tbsp | 720 ml | 24.3 oz |
| 3 2/3 cups | 3.67 | 843 g | 58.7 tbsp | 880 ml | 29.7 oz |
Ounces here are ounces of weight (1 oz = 28.35 g), not fluid ounces. One US cup is 8 fluid ounces of volume whatever is in it, but what it weighs in ounces depends on the ingredient: a cup of sour cream weighs about 8.11 oz. Why these two are not the same. Decimals for thirds are rounded (1/3 cup is 0.333 cups), and each linked amount opens a page comparing every ingredient at that measure.
Cite this: CupsToGrams, "Sour Cream: Cups to Grams", https://cupsngrams.com/sour-cream, figures verified . The data is free to reuse under CC BY 4.0 with a link back to this page.
About measuring sour cream
Sour cream is thick and rich, so one US cup weighs about 230 grams. Its thickness means it traps air when spooned, so pressing it level or weighing gives a truer amount. In cakes and muffins, sour cream adds moisture and a gentle tang while its fat tenderises the crumb, so the amount you add affects both flavour and texture. It is easy to measure straight onto a scale, keeping your whole recipe on one system.
Press sour cream level in the cup, or weigh it, since it traps air pockets when spooned.
How many grams is a cup of sour cream?
One US cup (240 ml) of sour cream weighs about 230 grams. Because a cup measures volume rather than weight, that figure is specific to sour cream and does not transfer to any other ingredient: the same cup holds 125 grams of all-purpose flour and 340 grams of honey.
- 1/4 cup of sour cream is about 58 grams
- 1/3 cup of sour cream is about 77 grams
- 1/2 cup of sour cream is about 115 grams
- 2/3 cup of sour cream is about 153 grams
- 3/4 cup of sour cream is about 173 grams
- 1 1/2 cups of sour cream is about 345 grams
- 2 cups of sour cream is about 460 grams
- 3 cups of sour cream is about 690 grams
Working the other way round, 100 grams of sour cream is about 0.435 cups, and 500 grams is about 2.17 cups.
Does it matter which cup my recipe means?
It does, though less than the ingredient itself. This page uses the US legal cup of 240 ml. An Australian metric cup is 250 ml, so a metric cup of sour cream comes to about 240 grams, and the old British imperial cup of 284.1 ml holds about 272 grams. See cup sizes by country for every standard side by side.
Frequently asked questions
How many grams is 1 cup of sour cream?
One US cup of sour cream is about 230 grams. It is thick and rich, so it is a little denser than milk.
Can I use yogurt in place of sour cream?
Often yes. Plain yogurt has a similar weight and tang, so swapping by weight works well in many bakes, though the result is a touch lighter.
Why weigh sour cream for cakes?
Sour cream adds moisture and fat that tenderise the crumb, so the amount matters. Weighing to 230 grams per cup keeps results consistent.
If 3/4 cup of sour cream is 170 grams, how many grams is 1/2 cup?
1/2 cup is two thirds of 3/4 cup, so on that recipe's figure it is 113 grams. By this site's figure of 230 grams per US cup, 3/4 cup is 173 grams and 1/2 cup is 115 grams.
How many grams is 2/3 cup of sour cream?
2/3 cup of sour cream weighs 153 grams. A full US cup (240 ml) weighs 230 grams.
How many grams is 1/4 cup of sour cream?
1/4 cup of sour cream weighs 57.5 grams. That is 4 tablespoons of 14.4 grams each.
Where this figure comes from
We have not yet found a published reference that states a weight for a cup of sour cream. The 230 grams on this page follows the calibration the rest of the site is built on, with butter at 227 grams per cup, water at 240, all-purpose flour at 125 and granulated sugar at 200. Treat it as a good working figure rather than a cited one. If you have a better source, tell us and we will check it and credit you.
Published figures for the same ingredient vary between references anyway, because how an ingredient is packed changes what a cup of it weighs. Treat any cup figure as accurate to within a few percent, and weigh on a scale when a recipe is sensitive. Our full approach is on the methodology page.
Figures last verified . Compiled by the CupsToGrams editorial team at FusionStudios. Spotted a value that looks off? Tell us.