Business planning

Parking Ratio Calculator

Enter the number of parking spaces and the building area to find the parking ratio.

  • Free
  • No sign-up

Spaces & area

Enter the spaces and area to see the parking ratio.

Worked example

With these example inputs:

  • Parking spaces150
  • Building area (sq ft)50,000

Parking ratio: 3

  • Area per space333
  • Spaces needed at a ratio of 4200
  • Spaces needed at a ratio of 5250

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Frequently asked questions

How is the parking ratio calculated?

Divide the number of spaces by the building area and multiply by 1,000. With 150 spaces for 50,000 square feet, the ratio is 3 spaces per 1,000 square feet.

Why does the parking ratio matter?

It shows whether a property has enough parking for its size and use. Retail and medical uses usually need higher ratios than offices or warehouses.