The density calculator will help you estimate the relationship between the weight and volume of an object. This value, called density, is one of the most important physical properties of an object. It's also easy to measure.

If you want to know how to find density, keep reading. This article will provide you with density formula, which the calculator is based on, and you'll also learn how the density of water changes under different circumstances.

We will deal with these questions: *. how to find density *. what density formula is *. what affects the density of water

How to find density

  1. Determine the weight of an object. For example, a glass of water weights 200 grams net (without the glass itself).
  2. Find out the volume of an object. In our example, it's 200 cm3.
  3. Divide weight by volume. 200 g / 200 cm3 = 1 g/cm3
  4. Optionally, change the unit. 1 g/cm3 = 1 (1/1000 kg) / (1/1000000) m3 = 1000 kg/m3
  5. Or use our density calculator to make it a breeze!

Make a note of the subject’s weight and volume. After typing these values into the density calculator, it will give you the result in kilograms per cubic meter.

If all you need is to convert between different units, use our density conversion calculator. If you plug in your result there, the tool will convert it into:

  • kilograms per cubic decimeter
  • pound per cubic foot
  • pound per cubic yard
  • pound per US gallon

Density formula

The density formula is as follows:

D = m / v

Where:

  • D - density
  • m - mass
  • v - volume

Density of water

For most purposes, it's enough to know that the density of water is 1000 kg/m3. However, as with almost all materials, its density changes with temperature. However, we have a slight, but a super important anomaly when it comes to water. While the general rule is that as temperature goes up, the density lowers, water behaves differently in the range between 0°C and 4°C.

If you cool water from room temperature, it becomes increasingly dense. However, at approximately 4°C degrees, water reaches its maximum density. How's this important? It makes it much harder for lakes to freeze in the winter. Since the water at 4°C is the heaviest, it falls to the bottom of the lake. The colder water stays at the surface and turns to ice. This phenomenon, coupled with a low thermal conductivity of ice, helps the bottom of the lake stay unfrozen, so that fish can survive.

There are also other aspects which affects water's density. It changes slightly whether it is tap, fresh or salt water. Everything inside a body of water affects its density.

Mateusz Mucha and James Mathison

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