Free ml to Grams Converter
Select an ingredient and enter a value in ml or grams
The conversion updates automatically
A free online Milliliters to Grams Converter helps you convert between volume (mL) and mass (g) for any ingredient or liquid. Whether you're following a recipe, mixing a chemical solution, or calculating a medication dose, this tool eliminates guesswork. Choose a product from the ingredient list, enter a value in milliliters or grams, and the conversion appears instantly. If the substance you need isn't listed, you can manually enter its density using the custom ingredient option.
Understanding the Conversion Principle
Milliliters measure volume, while grams measure mass. The link between them is the substance's density — the mass per unit volume. The fundamental formula is:
To find volume from mass, simply rearrange:
Thus, converting mL to g is not a fixed ratio; it depends entirely on the density of the material at hand.
The Special Case of Water
Water has a density of 1 g/mL at 4°C (39.2°F), which means 1 mL of water equals exactly 1 g. At typical room temperatures (20–25°C / 68–77°F), water's density remains very close to 1 g/mL, so the approximation holds for everyday use. This unique behavior — water is densest at 4°C — also explains why ice floats and why deep lakes stay liquid in winter. For precise scientific work, however, you should account for temperature variations.
How to Use the ml to Grams Converter
Using the tool is straightforward:
- Select an ingredient from the built‑in list (which covers dozens of common foods, oils, chemicals, and liquids).
- Enter the quantity you have — either in milliliters or grams.
- The converter instantly displays the corresponding mass or volume.
If your substance isn't pre‑listed, choose “Custom ingredient.” Then type its density (in g/mL or kg/m³) and the known value; the calculator will perform the conversion. This feature effectively makes it a Grams to Milliliters Converter as well.
Applications in Cooking, Medicine, and Science
Cooking & Baking: Recipe ingredients are sometimes listed in volume (mL) but need to be weighed for accuracy. With the converter, you can switch between units for milk, oil, honey, flour, and many other staples.
Medicine: Liquid medications are often dosed by body weight and have concentrations expressed in mg/mL. By converting mL to g (or using the density to find the mass), you can calculate the correct dose.
Chemistry: Preparing solutions requires accurate mass‑volume relationships. The density reference table below includes 50 common liquids at specified temperatures, helping you perform conversions without external cross‑referencing.
Density Reference Table for Common Liquids
The following data are sourced from engineeringtoolbox.com. Densities are given in kg/m³; to convert to g/mL, divide by 1000.
| Liquid | Temperature | Density (kg/m³) |
|---|---|---|
| Acetic Acid | 25 °C / 77 °F | 1049 |
| Acetone | 25 °C / 77 °F | 784.6 |
| Alcohol, ethyl (ethanol) | 25 °C / 77 °F | 785.1 |
| Alcohol, methyl (methanol) | 25 °C / 77 °F | 786.5 |
| Alcohol, propyl | 25 °C / 77 °F | 800 |
| Ammonia (aqua) | 25 °C / 77 °F | 823.5 |
| Aniline | 25 °C / 77 °F | 1019 |
| Benzene | 25 °C / 77 °F | 873.8 |
| Butyric Acid | 20 °C / 68 °F | 959 |
| Butane | 25 °C / 77 °F | 599 |
| Caproic acid | 25 °C / 77 °F | 921 |
| Carbolic acid (phenol) | 15 °C / 59 °F | 956 |
| Carbon disulfide | 25 °C / 77 °F | 1261 |
| Carbon tetrachloride | 25 °C / 77 °F | 1584 |
| Chloroform | 20 °C / 68 °F | 1489 |
| Chloroform | 25 °C / 77 °F | 1465 |
| Citric acid, 50% aqueous solution | 15 °C / 59 °F | 1220 |
| Cyclohexane | 20 °C / 68 °F | 779 |
| Cyclopentane | 20 °C / 68 °F | 745 |
| Decane | 25 °C / 77 °F | 726.3 |
| Dichloromethane | 20 °C / 68 °F | 1326 |
| Diethylene glycol | 15 °C / 59 °F | 1120 |
| Ethane | -89 °C / -128 °F | 570 |
| Ether | 25 °C / 77 °F | 713.5 |
| Ethylamine | 16 °C / 60.8 °F | 681 |
| Ethyl Acetate | 20 °C / 68 °F | 901 |
| Formaldehyde | 45 °C / 113 °F | 812 |
| Formic acid 10% concentration | 20 °C / 68 °F | 1025 |
| Formic acid 80% concentration | 20 °C / 68 °F | 1221 |
| Fuel oil | 15.5 °C / 60 °F | 890 |
| Glycerine | 25 °C / 77 °F | 1259 |
| Glycerol | 25 °C / 77 °F | 1126 |
| Heptane | 25 °C / 77 °F | 679.5 |
| Hexane | 25 °C / 77 °F | 654.8 |
| Hydrazine | 25 °C / 77 °F | 795 |
| Isobutyl Alcohol | 20 °C / 68 °F | 802 |
| Iso-Octane | 20 °C / 68 °F | 692 |
| Isopropyl Alcohol | 20 °C / 68 °F | 785 |
| Napthalene | 25 °C / 77 °F | 820 |
| Nitric acid | 0 °C / 32 °F | 1560 |
| Palmitic Acid | 25 °C / 77 °F | 851 |
| Phenol (carbolic acid) | 25 °C / 77 °F | 1072 |
| Phosgene | 0 °C / 32 °F | 1378 |
| Propanol | 25 °C / 77 °F | 804 |
| Propylene | 25 °C / 77 °F | 514.4 |
| Silane | 25 °C / 77 °F | 718 |
| Silicone oil | 25 °C / 77 °F | 965–980 |
| Sodium Hydroxide (caustic soda) | 15 °C / 59 °F | 1250 |
| Toluene | 20 °C / 68 °F | 867 |
| Turpentine | 25 °C / 77 °F | 868.2 |
Using this reference together with the converter allows you to handle most laboratory and kitchen conversion tasks with confidence. For any substance not listed, a quick online search for its density and the custom ingredient feature will give you the answer.
The ml to g Converter is designed to be your go‑to measurement companion — accurate, flexible, and free to use. Whether you're a home cook, a student, or a professional, it makes converting between milliliters and grams effortless.
FAQ
1. How does the ml to grams converter work?
It uses the formula mass = volume × density. You select an ingredient, enter a value in milliliters or grams, and the tool looks up the density and automatically computes the corresponding mass or volume.
2. Is 1 mL always equal to 1 gram?
No. Only for water at 4°C does 1 mL exactly equal 1 g because its density is 1 g/mL. Other substances like oil or honey have different densities, so the conversion is not 1:1.
3. Can I convert grams to milliliters with this tool?
Yes, the converter works both ways. If you enter a mass in grams, it will calculate the volume in milliliters for the ingredient you've selected.
4. What if my ingredient isn't in the built‑in list?
Choose the “Custom ingredient” option and input the density of your substance (in g/mL or kg/m³). Then enter the known value to get the conversion.
5. How can I find the density of a liquid that isn't in the table?
Search online for its density (e.g., “density of glycerol g/mL”). Once you have the value, use the custom ingredient feature in the converter to perform the conversion.
How to Use
- Select an ingredient from the dropdown list (Water, Milk, Flour, Sugar, etc.) or choose 'Custom ingredient' to set your own density.
- Enter a value in the Milliliters (ml) field to convert to grams, or enter a value in the Grams (g) field to convert to milliliters.
- The converted value updates automatically. The ingredient density and formula are shown in the results panel for reference.