- Air Flow Calibration
This calculator is used to set the air flow rate through a grain bin equipped with an aeration fan. It assumes that the air flow can be controlled with baffles, spill gates or variable fan speed. It requires an air flow meter or anemometer. This calculator determines the air speed needed at the top collar of bin in order to achieve the desired air flow rate (CFM/bu Cubic Feet per Minute per bushel).

- Ball radius calculated by volume
- Boards to cubic meters
This calculator performs conversion from the number of boards to the volume in cubic meters and vice versa

- Calculation of the volume by weight
Calculation of the volume and parameters of regular geometric figure by given mass using density of matter reference book.

- Calculation of weight by volume
Calculating the weight by the volume of material with matter density reference book

Calculation of volume in cubic meters by the size of one unit of output (by user's request)

- Calculation of weight by volume
Calculating the weight by the volume of material with matter density reference book

- Cone
- Cylindrical tank volume
Cylindrical tank volume

- Ellipsoid
Calculates ellipsoid and spheroid volume and surface area.

- Level of liquid in the cylindrical tank, AKA Quarter-Tank Problem
This online calculator finds the height above the bottom of a horizontal cylinder (such as a cylindrical gas tank) to which the it must be filled for it to be full at specified percentage (for example, one quarter full amounts)

Clapeyron-Mendeleev equation. The relationship between the number of moles of gas, the temperature, volume and pressure.

- Liquid level in the tilted cylinder
Сalculates the level of the liquid in a tilted cylindrical tank with the tank parameters and the liquid volume.

- Shipment weight
Calculating the weight by the volume of shipment. Created by user's request.

- Spherical cap and spherical segment
This calculator computes volume and surface area of spherical cap and spherical segment

- Spherical sector
Calculates surface area and volume of Spherical sector by radius and height

- Surface tension. Weight and volume of the drop of liquid
This online calculator calculates the weight and the volume of the drop given the surface tension, diameter of the capillary tube, and density of the liquid

- Tank volume
Calculator computes tank volume given its length, diameter and walls depth. Created by user's request.

- Tilted cylindrical tank volume
Calculates volume of cylindrical tank tilted at an angle. To perform calculation you must provide the tank size, angle and liquid level.

- Torus
Volume and surface area of torus.

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