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# Percent Change in Length

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Equation / Last modified by KurtHeckman on 2018/11/12 22:48
`PC = `

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vCalc.Percent Change in Length

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70b1dfce-df6b-11e8-b909-bc764e2038f2

The **Percentage Change in Length **calculator computes the ratio of change in length from an initial length or distance to a final length or distance.

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

- (
**LI**) This is the initial length. - (
**LF**) This is the final length.

**Percent Change in Length (PC):** The calculator the percent change in length or distance.

#### Related Calculator

- Percent Change in Length
- Percent Change in Area
- Percent Change in Volume
- Percent Change in Flow Rate
- Percent Change in Weight

#### The Math / Science

The formula for percent change in length is:

PC = (LF - LI) / LI

where:

- PC is the percent change in length
- LF is the final length
- LI is the initial length