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`F_r = V / D `

Enter a value for all fields

The **Flow Rate **calculator computes the flow rate based on a the total volume of flow and the duration it took to accumulate the volume.

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

- (
**V**) Total Volume - (
**D**) Duration of time

**Flow Rate (FR): **The calculator returns the average flow rate in gallons per minute. However, this can be automatically converted to compatible units via the pull-down menu.

The formula for flow rate is:

FR = V / D

where:

- FR = Flow rate
- V = Total Volume
- D = Duration required to accumulate volume

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- 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.
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- Volume of a Pipe
- Weight of Pipe Contents: Default is water. Also see Weight of sea water in pipe
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- 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
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