Free · Unit conversions

Milliliter, Density & Kilogram Mass Calculator

Convert liquid volume to mass using a visible density preset or a custom density.

Calculator inputs

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Enter the known values in the units shown. Results update as you type.
Where results are editable, change one to solve backwards. Lock a value to hold it fixed.
Use the worked example to check the method. Reset restores the starting fields.

Inputs and results stay in this browser tab. Bookify does not upload or store the values you enter.

At a density of 1.2 g/mL, 500 mL has a mass of 600 g, or 0.6 kg. Enter a custom density to model the material and conditions you actually have.

Mass = density × volume; convert the resulting mass to the selected unit

Enter these known values and leave the other values blank.

Density, volume and mass must be positive. The listed water, milk and cooking-oil presets assume 1, 1.035 and 0.916 g/mL respectively; they are illustrative rather than measured values for every product.
Choose Other to enter a measured density. Temperature, composition and processing can change density; using a more precise number does not remove uncertainty in the input.

Yes. Select Other and enter the density in the chosen mass and volume units. The preset density field becomes editable.

No. One milliliter has a mass of one gram only when the density is 1 g/mL.

Bookify replaces the captured rounded US gallon with the exact 3.785411784-liter definition.