Formula
ratio=spaces/area × 1000.
- Use the units shown beside each field.
- Results update automatically whenever you change an input.
- Displayed values use up to four decimal places, or scientific notation for very small or large numbers. Calculations use standard floating-point arithmetic; exact integer and fraction tools identify their own precision rules.
- Descriptive ratio only. The floor-area basis and legal minimum depend on local requirements.
Example Calculation
Example inputs
- Parking spaces: 40
- Floor area: 10000 ft²
40 spaces for 10,000 ft² give 4 spaces per 1,000 ft².
Frequently asked questions
How do I use this calculator?
Enter parking spaces, floor area. The result updates automatically. Use Reset to restore the example values.
What method does it use?
ratio=spaces/area × 1000.. Descriptive ratio only. The floor-area basis and legal minimum depend on local requirements.
Why might a rounded result differ?
The calculation keeps full numeric precision internally, then rounds the displayed result. Rounding intermediate steps by hand can produce a slightly different answer.
Are my inputs saved online?
No. This calculator processes your inputs in your browser. A recently used list stores only calculator names on this device, not your entered values.
Check the assumptions and units before using this result. Read about calculation methods.