MG to ML Calculator
Convert milligrams (mg) to milliliters (ml) easily for any liquid or substance
Conversion Result
Common Substance Densities (mg/ml)
| Substance | Density (mg/ml) |
|---|---|
| Water | 1.000 |
| Ethanol (Alcohol) | 0.789 |
| Milk | 1.030 |
| Olive Oil | 0.920 |
| Honey | 1.420 |
| Mercury | 13.600 |
How to use this calculator: Enter the amount in milligrams (mg) and the density of the substance in mg/ml. If you know the substance, select it from the dropdown to automatically fill the density. Click “Convert” to get the milliliter (ml) equivalent.
Formula: Milliliters = Milligrams / Density
Frequently Asked Questions
Milligrams (mg) measure weight or mass, while milliliters (ml) measure volume. The conversion between them depends on the density of the substance. For water, 1 mg equals 1 ml because water’s density is 1 mg/ml.
Density is typically listed on the substance’s packaging or can be found in reference materials. You can also calculate it by dividing the mass (mg) by the volume (ml) of a known quantity of the substance.
Different substances have different densities, meaning the same weight (mg) of different substances will occupy different volumes (ml). For example, 1000 mg of water is 1 ml, but 1000 mg of olive oil is about 1.09 ml because oil is less dense than water.
This calculator can help with medication conversions, but always consult with a healthcare professional for medical dosage. The density of medications varies based on formulation, and precise dosing is critical for safety.