ml to kg Converter

Need to switch from milliliters to kilograms? Our ml to kg converter makes it simple and accurate.

Density decides the answer — a cup of flour weighs far less than a cup of honey.
g/ml
Used when “Custom density” is selected.
Clear
Result0.001 kg1 ml of water
Density used1 g/ml1,000 kg/m³
1 ml of water0.001 kg

1 ml of…

SubstanceDensity1 ml weighs / measures
Water1 g/ml0.001 kg
Milk (whole)1.03 g/ml0.00103 kg
Flour (all-purpose)0.529 g/ml0.000529 kg
Sugar (granulated)0.845 g/ml0.000845 kg
Butter0.911 g/ml0.000911 kg
Vegetable oil0.92 g/ml0.00092 kg
Honey1.42 g/ml0.00142 kg
Table salt1.217 g/ml0.001217 kg
Rice (uncooked)0.85 g/ml0.00085 kg

Why milliliter to kilogram needs a substance

Milliliters measure volume and kilograms measure weight, so there is no single conversion factor between them. What bridges the two is density — how much a given volume of that particular substance weighs:

mass = volume × density

Water is the easy case: it is almost exactly 1 g/ml, so 1 ml of water weighs 1 g and the numbers look identical. Nothing else behaves that way — flour is about half as dense, and honey is nearly half again as dense.

Using this for recipes

Pick the ingredient from the list and the conversion uses a typical density for it. Dry ingredients are the least predictable: scooping flour straight from the bag can pack in 20% more than spooning it in gently, which is exactly why baking recipes prefer weights. If you have a density from a supplier or a label, choose Custom density and enter it.

Densities here are typical values for guidance. For anything where precision matters, weigh it.