mL to Grams Converter
Choose an ingredient or enter its density. Volume and mass are not interchangeable without it.
mL to grams formula
grams = milliliters × density in g/mL. To reverse it, use milliliters = grams ÷ density in g/mL. Milliliters measure volume while grams measure mass, so the density is part of every valid conversion.
The converter keeps the full calculation in your browser and rounds only the displayed result. The named densities below are practical averages, not exact properties of every brand, batch, temperature, or packing method.
Approximate ingredient density chart
| Ingredient | Density used | 100 mL estimate |
|---|---|---|
| Water | 1 g/mL | 100 g |
| Milk | 1.03 g/mL | 103 g |
| Cooking oil | 0.92 g/mL | 92 g |
| All-purpose flour | 0.53 g/mL | 53 g |
| Granulated sugar | 0.85 g/mL | 85 g |
Use the label when the product is different
A package that states both mass and volume gives you a better estimate for that exact product. For example, 340 g divided by 400 mL produces a density of 0.85 g/mL. Open Use a package label to find density, enter both numbers, and apply the calculated density before converting.
When a kitchen scale is the better tool
NIST recommends measuring recipe ingredients by mass when accuracy matters. Flour, sugar, and other dry ingredients can be scooped, sifted, or compressed, changing the mass that fits into the same volume. For baking or recipe scaling, weigh the ingredient directly when possible and use this converter as an estimate when only volume is available.
Do not use these kitchen presets for medication, nutrition-label compliance, chemistry, or laboratory measurements. Follow the product's own data and the measuring method required for those tasks.
Frequently asked questions
How do I convert mL to grams?
Multiply the volume in milliliters by the ingredient density in grams per milliliter. For example, 250 mL multiplied by a density of 1.03 g/mL is 257.5 g.
Is 1 mL always equal to 1 gram?
No. One milliliter of water is commonly estimated as one gram for kitchen use, but different ingredients have different densities and water density varies slightly with temperature.
How do I convert grams back to mL?
Divide grams by the ingredient density in grams per milliliter. One hundred grams of an ingredient with a density of 0.8 g/mL occupies approximately 125 mL.
Why can flour or sugar results differ between recipes?
Dry ingredients settle and pack differently, so one measured milliliter does not always contain the same mass. Treat the presets as estimates and use a scale when the recipe needs accuracy.
Can I use the values printed on a package?
Yes, if the same product label gives both a mass and a volume. Open the package-label section, enter those values, and the tool will use mass divided by volume as a product-specific density.
Can I use this converter for medicine or laboratory work?
No. The presets are ordinary kitchen estimates, not dosing or laboratory data. Use the product instructions and an appropriate measuring instrument for medical, scientific, or regulated work.