Enter a value and select a liquid to convert between milliliters (mL) and kilograms (kg), or switch the conversion direction to convert kilograms back to milliliters using density.
Quick reference: common mL to kg conversions
The table below shows approximate kilogram values for common volumes of water (density ≈ 1.00 g/mL). For other liquids, multiply by their specific density.
| Volume (mL) | Mass (kg) — Water |
|---|---|
| 50 mL | 0.05 kg |
| 100 mL | 0.10 kg |
| 250 mL | 0.25 kg |
| 500 mL | 0.50 kg |
| 750 mL | 0.75 kg |
| 1,000 mL (1 L) | 1.00 kg |
| 1,500 mL | 1.50 kg |
| 2,000 mL (2 L) | 2.00 kg |
| 5,000 mL (5 L) | 5.00 kg |
Density comparison by liquid
| Liquid | Density (g/mL) | 1000 mL = |
|---|---|---|
| Gasoline | 0.75 | 0.75 kg |
| Ethanol | 0.789 | 0.79 kg |
| Rubbing alcohol | 0.81 | 0.81 kg |
| Coconut oil | 0.87 | 0.87 kg |
| Olive oil | 0.91 | 0.91 kg |
| Vegetable oil | 0.92 | 0.92 kg |
| Water | 1.00 | 1.00 kg |
| Seawater | 1.025 | 1.03 kg |
| Whole milk | 1.03 | 1.03 kg |
| Glycerin | 1.26 | 1.26 kg |
| Maple syrup | 1.33 | 1.33 kg |
| Honey | 1.42 | 1.42 kg |
mL to kg Formula
The following formulas are used to convert between milliliters and kilograms using density.
kg = (mL × D) / 1000
mL = (kg × 1000) / D
Variables:
- kg is the mass in kilograms
- mL is the volume in milliliters
- D is the density of the liquid in grams per milliliter (g/mL)
To convert mL to kg, multiply the volume by the liquid’s density and divide by 1000. To convert kg to mL, multiply the mass by 1000 and divide by the density.
What is mL to kg Conversion?
Milliliters measure volume, while kilograms measure mass. Because different liquids have different densities, there is no single direct conversion from mL to kg that works for every substance. For example, 1000 mL of water has a mass of about 1 kg, but 1000 mL of honey has a much greater mass, and 1000 mL of gasoline has a lower mass. That is why density must be known before converting between these two units.
How to Calculate mL to kg?
The following steps outline how to convert between milliliters and kilograms.
- First, determine the volume in milliliters or the mass in kilograms.
- Next, find the density of the liquid in grams per milliliter (g/mL).
- If converting mL to kg, use the formula kg = (mL × D) / 1000.
- If converting kg to mL, use the formula mL = (kg × 1000) / D.
- After calculating the result, check your answer with the calculator above.
Example Problem:
Use the following values as an example problem to test your knowledge.
Volume = 1000 mL
Density of water = 1.00 g/mL
kg = (1000 × 1.00) / 1000 = 1.00 kg