Grams to mL Converter
Grams to mL is only 1 to 1 for water. Everything else depends on density: 100 g of all-purpose flour takes up about 189 mL, 100 g of sugar about 118 mL, 100 g of milk 97 mL and 100 g of honey just 70 mL (USDA FoodData Central). Pick the ingredient to get the right answer.
189.3mL
0.8 cups · 3/4 cup + 2 1/2 tsp
Density: 0.528 g per mL
How to use
- Type the weight in grams.
- Choose the ingredient. Light, fluffy ingredients take up much more space per gram.
- Leave the source on USDA, or switch to King Arthur for their recipes.
- Read the milliliters, plus the same amount in US cups.
The formula and two worked examples
mL = grams ÷ density (g per mL) and density = grams per cup ÷ 236.6
250 g of all-purpose flour. Density 125 ÷ 236.6 = 0.528 g per mL. 250 ÷ 0.528 = 473.2 mL, which is exactly 2 US cups.
50 g of honey. Density 339 ÷ 236.6 = 1.433 g per mL. 50 ÷ 1.433 = 34.9 mL, under 2 1/2 tablespoons.
Why water is almost exactly 1 g per mL
A gram was originally defined as the mass of 1 mL of water, so for water and drinks that are mostly water, grams and milliliters match. The USDA figure of 237 g per cup works out to 1.002 g per mL, which is within rounding. Milk and cream are a touch heavier than water, oil is lighter, and dry ingredients like flour and cocoa are far lighter because of the air between the grains.
What this tool doesn't cover
Densities are averages for typical US products, measured the way a cup is filled. Sifted flour is lighter, packed brown sugar heavier. Powders not in our list, like protein powder, baking powder or spices, need their own density. It uses US milliliters and cups.
Reference tables
| Grams | All-purpose flour | Granulated sugar | Butter | Whole milk | Water | Honey |
|---|---|---|---|---|---|---|
| 10 g | 18.9 | 11.8 | 10.4 | 9.7 | 10.0 | 7.0 |
| 25 g | 47.3 | 29.6 | 26.1 | 24.2 | 25.0 | 17.4 |
| 50 g | 94.6 | 59.1 | 52.1 | 48.5 | 49.9 | 34.9 |
| 100 g | 189.3 | 118.3 | 104.2 | 97.0 | 99.8 | 69.8 |
| 200 g | 378.5 | 236.6 | 208.4 | 193.9 | 199.7 | 139.6 |
| 250 g | 473.2 | 295.7 | 260.6 | 242.4 | 249.6 | 174.5 |
| 500 g | 946.4 | 591.5 | 521.1 | 484.8 | 499.1 | 349.0 |
| All-purpose flour | 0.528 | 189.3 | 197.2 |
|---|---|---|---|
| Bread flour | 0.579 | 172.7 | 197.2 |
| Brown sugar (packed) | 0.930 | 107.5 | 111.1 |
| Butter | 0.959 | 104.2 | 104.7 |
| Cake flour | 0.579 | 172.7 | 197.2 |
| Cornstarch | 0.541 | 184.8 | 211.2 |
| Granulated sugar | 0.845 | 118.3 | 119.5 |
| Heavy cream | 1.006 | 99.4 | 104.2 |
| Honey | 1.433 | 69.8 | 70.4 |
| Long-grain white rice (uncooked) | 0.782 | 127.9 | 119.5 |
| Maple syrup | 1.331 | 75.1 | 75.8 |
| Peanut butter | 1.091 | 91.7 | 87.6 |
| Plain whole-milk yogurt | 1.036 | 96.6 | - |
| Powdered sugar (unsifted) | 0.507 | 197.2 | 209.4 |
| Rolled oats | 0.342 | 292.1 | 265.8 |
| Semisweet chocolate chips | 0.710 | 140.8 | 139.2 |
| Sour cream | 0.972 | 102.9 | 104.2 |
| Table salt | 1.234 | 81.0 | 82.1 |
| Unsweetened cocoa powder | 0.364 | 275.1 | 281.7 |
| Vegetable oil | 0.921 | 108.5 | 119.5 |
| Water | 1.002 | 99.8 | - |
| Whole milk | 1.031 | 97.0 | 104.2 |
| Whole wheat flour | 0.507 | 197.2 | - |
Tips
- For liquids, weighing is often easier than reading a measuring jug at eye level. 240 g of milk is close to 1 cup.
- Light powders like cocoa and flour are where mL and grams differ most. 100 g of cocoa fills more than a cup.
- If a recipe lists grams, weigh it. Converting to mL and back adds rounding twice.
FAQ
Is 1 gram equal to 1 mL?
How many mL is 100 grams of flour?
How many mL is 100 grams of milk?
How many mL is 100 grams of sugar?
How many mL is 100 grams of butter?
How do I convert grams of powder to mL?
Sources
- USDA FoodData Central SR Legacy · accessed 2026-10-14
- King Arthur Baking Ingredient Weight Chart · accessed 2026-10-14
- NIST Handbook 44 Appendix C · accessed 2026-10-14
Values are averages for typical US products. Brands vary, so weigh with a kitchen scale when a recipe needs to be exact.