Work out parking ratio instantly with clear inputs, formula shown and shareable results.
Commercial parking provision is quoted as spaces per thousand square feet of leasable area. Suburban offices typically target four per thousand, city centre buildings one or less because transit substitutes for parking. The reciprocal, area per space, is useful when comparing against a lease clause expressed that way.
Parking ratio
Ratio = spaces x 1000 / leasable area in ft²
Requirement
Spaces required = ceil(area x target ratio / 1000)
Ratio = spaces x 1000 / leasable area in ft². Commercial parking provision is quoted as spaces per thousand square feet of leasable area.
Not necessarily. Structured parking is expensive to build and increasingly a stranded asset where transit and hybrid working reduce demand, so surplus provision can dilute returns.
This calculator takes 3 inputs: Parking spaces provided, Leasable area, Target spaces per 1000 ft². The pre-filled defaults are a realistic worked example — replace them with your own site or project figures.