conversion / volume

kg to mL Calculator: Convert Weight to Volume in a Snap ⚖️->🧪

Welcome to our online calculator that can convert weight to volume for a variety of substances! With our calculator, you can quickly and easily convert kilograms of water, milk, cooking oil, or even your own custom substance to milliliters, liters, cubic centimeters, or cubic meters. Simply input the weight, select the unit of measurement, enter the substance density, choose the substance to convert, and select the volume unit of measurement. Whether you're a home cook, a chemist, or just curious about the densities of different substances, our calculator is a great tool to have at your fingertips.

5 Ways to Transform Your Cooking & Science Experiments with Our Calculator

Here are just a few examples of how our calculator can simplify your life:

  1. Calculate the amount of water needed to make a certain recipe, such as a cake or soup.
  2. Determine the volume of milk required for a coffee or latte based on the weight of the milk.
  3. Measure the amount of cooking oil needed for a particular dish, such as frying chicken or sautéing vegetables.
  4. Calculate the volume of a custom substance with a known density, such as a cleaning solution or laboratory reagent.
  5. Convert weight and volume measurements for different substances into a common unit of measurement, such as kilograms and liters.

How to Use the kg to mL Calculator

Step 1:

Select the substance you want to convert from the menu (water, milk, cooking oil, or custom substance)

Step 2:

You’ll see the density for the featured substances, or you have to input the density in case you want to convert a substance not in the menu. Enter the density of the substance in kilograms per cubic meter (kg/m3) or grams per cubic decimeter (g/dm3).

Step 3:

Input the weight in grams, milligrams, or kilograms and instantly see the converted volume in liters, milliliters, cubic centimeters, or cubic meters, depending on your choice.

Everyday Life kg to mL Example: 

You want to convert 2 kilograms of cooking oil to milliliters.

Step 1: Choose Cooking Oil!

Step 2: You can see the density of cooking oil is 880 kg/m3. You can change it!

Step 3: Input the weight!

The calculator shows that 2 kilograms of cooking oil have a volume of 2.273 liters if you didn't change the preset density.

In case you change the density, the result will adjust accordingly.

It's that easy! Use the calculator to convert any substance with a known density to its corresponding volume and get your results instantly without the need for any extra clicks or calculations.

kg to mL Formula

To convert kilograms (kg) to milliliters (ml), you'll need to know the density of the substance in question, which is expressed in kilograms per cubic meter (kg/m3) or grams per cubic centimeter (g/dm3). Here is the formula to use:

Volume (ml) = Weight (kg) / Density (kg/m3) x 1000

Here's an example of how to use this formula:

You want to convert 1.5 kilograms of water to milliliters. The density of water is 1000 kg/m3.

Volume (ml) = Weight (kg) / Density (kg/m3) x 1000

Volume (ml) = 1.5 / 1000 x 1000

Volume (ml) = 1500 ml

Therefore, 1.5 kilograms of water is equal to 1500 milliliters.

Keep in mind that the formulas will vary depending on the substance and its density!

Tips for Hassle-Free kg to ml Conversions!

Here are our top tips to help you avoid common mistakes and get accurate results using our calculator.

  1. Double-check the density of the substance: The density of a substance can vary depending on temperature, pressure, and other factors. Make sure you use trustworthy sources and cross-check the density of a substance by consulting more than one source.
  2. Use the correct units of measurement: Make sure you are using the correct units of measurement for both weight (kg, g, mg) and volume (l, ml, cm3, m3). Abbreviations and different styles of using them can often lead to confusion.
  3. Be mindful of figures and formats: When converting between units, paying attention to figures and formats is essential, especially for high numbers or when using many decimals.


  1. Can I use this calculator for other substances besides water, milk, and cooking oil?
    Yes, you can, but in this case, you should know the density of your substance. Then, simply update the density and start converting! Check out our tips above; they are particularly useful in such cases.
  2. What if I don't know the density of my substance?
    Always when converting between weight and volume, you must know the density. Read our tips above and try to find the density of your particular substance.
  3. How important is it to use the correct units of measurement when using this calculator?
    It's crucial! So, double-check if you are using the appropriate units for both weight and volume.


Congratulations, you're now an expert in converting kilograms to milliliters! With our easy-to-use calculator and helpful tips, you'll be converting your favorite substances in no time.

Start converting and have fun experimenting with different substances!