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Calcimator

Parking Ratio Calculator

Calculate parking ratios, required spaces, and parking construction costs for commercial properties.

Inputs

SF
per 1,000 SF
SF
$/space
$/space
%

Results

Actual Ratio

4 per 1,000 SF

Required Spaces

200

Surplus / Deficit0
Total Parking Area65,000 SF
Parking-to-Building Ratio130%
Total Parking Cost$1,000,000
Parking Cost per Bldg SF$20
How to Use This Calculator
  1. Enter Building Size in square feet and Total Parking Spaces available.
  2. Set Required Ratio (spaces per 1,000 SF) from the zoning code for your land use.
  3. Enter Avg Space Size in SF (325 SF per space including drive aisle is standard).
  4. Input Surface Cost and Structured Cost per space if evaluating construction of additional parking.
  5. Set % Structured to blend surface and garage costs.
  6. Review Actual Ratio vs. Required Spaces — a positive Surplus/Deficit indicates compliance or shortfall.
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