How to calculate cubic meters

Cubic meters (m3) are the standard system unit of volume. Therefore, the results of many measurements and calculations are often required to submit in cubic meters. If the source information is specified in the related si units (liters, cubic centimeters, etc.), it is possible to calculate cubic meters is not difficult. However, if other physical quantities (mass, area, length), you will need to have an extra information.

Как посчитать кубические метры

You will need

  • calculator, computer


1. To calculate the number of cubic meters, soderjaschihsya to the extent specified in other units, multiply by the factor sootvetstviye. For example, if the volume is specified in liters, then to cubic meters, multiply the number of liters by 0.001, i.e. use the formula:
Km3 = TC * Of 0.001,
where Km3 — the number of cubic meters, TC is the number of liters.

2. The same formula can be used if the original volume is given in cubic decimetres (dm3).
Km3 = Кдм3 * 0,001,
where Кдм3 — the number of cubic decimeters.

3. If the source volume is specified in centimeters (cm3) or cubic millimeters (mm3) to calculate cubic meters use the following formulas:
Km3 = Ксм3 * 0,000001
Km3 = Кмм3 * 0,000000001,
where Ксм3 and Кмм3 — the number of cubic centimeters, and millimeters, respectively.

4. If we know the mass, to calculate cubic meters (volume) specify the density of a substance. It can be found in the relevant tables of the density of materials or to measure it yourself. To calculate the number of cubic meters, divide body weight (in kilograms) density (kg/m3). That is, use the following formula:
Km3 = M / N,
M – body weight (in kg),
P is the density (kg/m3).
P is the density (kg/m3).

5. If the item is a simple three-dimensional shape and is known for some of its parameters, to calculate volume, use the appropriate geometric formulas. For example, if the body is a rectangular parallelepiped, its volume can be calculated by the following formula:
Km3 = L * W * H,
where: L, W and h – the length, width and height (thickness) of the parallelepiped, respectively. The units of measurement of length, width and height must be entered in metres (linear).

6. Example.
Bathroom has ceiling height – 2.5 meters, length – 10 meters width – 8 meters. You want to determine the volume (cubic meters) of the room.
Km3 = 2,5 * 10 * 8 = 200 cubic meters.

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