Enter the total amount of rentable square footage of a building and the total number of parking spots into the calculator to determine the parking ratio.

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## Parking Ratio Formula

The following formula is used to calculate a parking ratio.

PR = RSQF / #PS

- Where PR is the parking ratio
- RSQF is the rentable square footage of the building
- #PS is the total number of parking spots

## Parking Ratio Definition

**What is a parking ratio? **A parking ratio is defined as the total ratio of the rentable square footage of a building to the total number of parking spots of that building. Typically this ratio is reduced to parking spots per 1,000 square feet. For example, a ratio of 10,000/1 would be reduced to a ratio of 10:1.

## Example Problem

How to calculate a parking ratio?

**First, determine the total rentable square footage.**For this example, our 10 story building has a total rentable square footage of 20,000 square feet.

**Next, determine the number of parking spots.**In this same building, there are 10 parking spots.

**Finally, calculate the park ratio.**Using the formula above, the parking ratio is found to be 200:1.

## About Parking Ratio

**How to determine the parking ratio? **Determining a parking ratio is as simple as using the formula PR = RSQF / #PS. To reduce this further some people like to express the ratio as per 200 or 1000 square feed.