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`V = pi * ( D /2)^2 * L `

Enter a value for all fields

The **Pipe Volume** calculator * Section of Pipe * computes the volume of a pipe (V), based on the interior diameter(d) of circular conduit or pipe and the length (l) of the pipe.

**INSTRUCTIONS:** Choose units and enter the following:

- (
**D**) Inner Pipe Diameter. - (
**L**) Pipe Length.

**Volume of Pipe (V):** The calculator returns the volume in gallons. However, this can be automatically converted to compatible units via the pull-down menu.

The equation for the volume of a pipe is:

- V= π⋅(D/2)
^{2}⋅L

where:

**V**= interior volume of a section of pipe**D**= inner diameter**L**= length of pipe

- Rolling Offsets (Run) – The Rolling Offset (Run) function computes the run length a rolling offset based on the offsets and fittings. (see diagram).
- Rolling Offsets (Travel) – The Rolling Offset (Travel) function computes the travel pipe length a rolling offset based on the offsets and fittings. (see diagram).
- Pipe Grading - The amount of drop needed over a run to maintain a specified grade
- Diagonal of a Square - This is a simple calculation to assist in computing the diagonal of a square.
- Diagonal of a Box - This computes the length of the diagonal of a box (
**T**) based on sides of length**R, S**and**U**. - Flow Rate - This computes flow rate based on the total volume and the time it took to accumulate.
- Pipe Flow Volume - This computes the total volume from a pipe based on the flow rated and the duration of flow.
- Volume of a Pipe
- Weight of Pipe Contents: Default is water. Also see Weight of sea water in pipe
- Volume of a Cylindrical Container (e.g. hot water tanks),
- Weight of Water in a Cylindrical Tank (e.g. hot water tanks),
- Volume of a Spherical Container,
- Weight of Water in a Spherical Container
- Volume of a Rectangular container
- Weight of Water in a Rectangular Container, and a
- Capillary Rise - The height of water in a small tube due to capillary force.
- Snow Water Equivalence - The volume of water created by an area and depth of snow.
- Pore Water Pressure - Pressure of uplift from the water table.
- Pressure Head - The Potential Gravity-Fed Water Pressure from a Tank (a.k.a. Pressure Head) equation calculates the water pressure that can be realized below a tank based on the height of storage.