ml to mg calculator

Created by Team y2calculate

Content written by Jane (PhD)

Coding by Marcelino 

Reviewed by Sajid khan (head of content)

Fact checked 🔍✓


Sometimes, we encounter situations where we need the weight of a material in milligrams, but it is given in milliliters. We have some digital scales for this purpose, but what do we do when the scales are not available at the time? For this reason, we have developed a solution by creating an ml to mg calculator.

How to use ml to gm calculator?

As you can see, we have created an ml to mg calculator with two labels. The first label is a dropdown for material selection. We assign materials to this dropdown because we will need the density for the ml to mg conversion. The second label is for entering the volume in milliliters of the liquid that needs to be converted into milligrams.

Formula to convert ml to mg

milligrams = milliliters × 1,000 × density

How ml to mg calculator works?

The ml to mg calculator operates on a very basic formula, which is outlined below. However, let’s delve into how it actually works. According to the given formula, there are three components: ml (milliliters) given, density, and 1000. You might be wondering why there is a need for 1000. Well, let me explain. For a successful conversion from ml to mg, we require the density of a given material to be in mg/ml. Sometimes, densities are not defined in mg/ml; rather, the density of the material is defined in g/ml. Therefore, for this purpose, the density should be converted into mg/ml.

When and why do we use the ml to mg calculator?

We use the ml to mg calculator when we need to convert the volume of a substance measured in milliliters (ml) to its mass in milligrams (mg). This conversion is necessary in various situations, particularly when dealing with:

1. Concentrated solutions:

  • In chemistry and biology, we often work with concentrated solutions, where a specific amount of a substance (solute) is dissolved in a specific volume of solvent (usually water). To prepare diluted solutions from these concentrates, we need to know the mass of the solute we need to add. The ml to mg calculator helps us convert the prescribed volume of the concentrated solution to the corresponding mass of the solute.

2. Medications:

  • Many medications are prescribed in dosages based on their mass (mg). However, they might be provided in liquid form, measured in milliliters (ml). The ml to mg calculator helps us determine the correct amount of medication to administer by converting the prescribed volume (ml) to the required mass (mg).

3. Food recipes:

  • Some recipes call for ingredients like spices or oils in specific quantities, but they might be listed in milliliters (ml) while the recipe requires them in grams (g) or even milligrams (mg). The ml to mg calculator helps us convert the volume mentioned in the recipe to the necessary mass for accurate measurement.

What is Milliliter?

A milliliter (abbreviated as mL) is a unit of volume in the metric system, equivalent to one-thousandth of a liter. It is commonly used to measure small amounts of liquid, such as medication doses or ingredients in recipes. For reference, one milliliter is roughly equal to 0.034 fluid ounces in the imperial system or 0.035 fluid ounces in the U.S. customary system.

what is miligram

A milligram (abbreviated as mg) is a unit of mass in the metric system, representing one-thousandth of a gram. It is commonly used to measure small amounts of mass, particularly in pharmaceuticals and nutritional information on food labels. For reference, one milligram is equivalent to 0.001 grams.

Scroll to Top