Calculate what a $/SF/yr lease rate means per month and per square foot, annual and monthly rent for your space, or the rate from a known rent.
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SF/Yr Formula
$/SF/Yr means dollars per square foot per year. It is the annual lease rate applied to each square foot of rentable area.
- Annual Rent is rent on the entered expense basis. It is base rent only when the quote covers base rent only.
- Monthly Rent is an equal one-twelfth estimate; actual payments, concessions and partial periods follow the lease.
- RateSF/Yr is the lease rate in dollars per square foot per year.
- Area is the rentable area in square feet.
The rate must be quoted annually, not monthly. Use the lease’s billing area, which may include allocated common space; usable floor area is not automatically rentable area. Rectangular length × width measures a rectangle and does not add common-area allocation. Metric conversion uses 1 ft² = 0.09290304 m² exactly. See NIST area conversion factors.
A net or NNN quote can require property tax, insurance and operating/CAM charges in addition to base rent. Utilities and other charges depend on the agreement. This calculator excludes charges, escalations and concessions unless already included in the entered rent or rate. See CARR’s commercial-lease explanation. Annual and monthly money outputs round independently to cents. Rates and areas keep additional precision internally.
Useful SF/Yr Tables
This USD table illustrates annual rate divided by 12 and annual base rent for 2,500 ft². Monthly unit rates are rounded to cents for display; calculate total rent from the unrounded annual quote.
| Lease Rate | Monthly $/SF | Annual Rent for 2,500 SF |
|---|---|---|
| $15 /SF/Yr | $1.25 /SF/month | $37,500 |
| $20 /SF/Yr | $1.67 /SF/month | $50,000 |
| $25 /SF/Yr | $2.08 /SF/month | $62,500 |
| $30 /SF/Yr | $2.50 /SF/month | $75,000 |
| $40 /SF/Yr | $3.33 /SF/month | $100,000 |
| Lease Term | Meaning |
|---|---|
| Rentable square feet | The area used to calculate rent. It may include common area allocation. |
| Usable square feet | The space you directly occupy and use. |
| Base rent | Rent before added costs such as taxes, insurance, maintenance, or utilities. |
| Full service rent | A rent quote that may include some operating expenses in the stated rate. |
Example
If a space is 2,500 rentable square feet and the lease rate is $28.50/SF/Yr, annual rent is $28.50 × 2,500 = $71,250. Monthly rent is $71,250 ÷ 12 = $5,937.50.
If you know the annual rent is $71,250 for 2,500 square feet, the rate is $71,250 ÷ 2,500 = $28.50/SF/Yr.
