Commercial Lease Rent Roll & Square Foot Calculator
See the real monthly cost behind a $/sqft lease quote.
Lease terms
Rates are entered per square foot, per year.
NNN/CAM typically covers property taxes, insurance, and common area maintenance.
Year 1 operational cost
Base rent + NNN, before any escalation.
$/sqft/yr
$37.00
Monthly total
$7,708.33
Annual total
$92,500.00
Square footage
2,500
Rent roll
Full lease term with escalation applied.
| Year | Base $/sqft | NNN $/sqft | Monthly | Annual |
|---|---|---|---|---|
| 1 | $28.00 | $9.00 | $7,708.33 | $92,500.00 |
| 2 | $28.84 | $9.18 | $7,920.83 | $95,050.00 |
| 3 | $29.71 | $9.36 | $8,139.33 | $97,672.00 |
| 4 | $30.60 | $9.55 | $8,364.01 | $100,368.07 |
| 5 | $31.51 | $9.74 | $8,595.03 | $103,140.34 |
About this tool
Enter square footage, base rent, NNN expenses, and annual escalation rates, and instantly get the true monthly operational cost — plus a full year-by-year rent roll showing exactly how much it grows over your lease term.
How to use Commercial Lease Rent Roll & Square Foot Calculator
- 1
Enter the rentable square footage and base rent per square foot per year.
- 2
Add NNN/CAM expenses per square foot — this typically covers taxes, insurance, and maintenance.
- 3
Set separate annual escalation rates for base rent and NNN, and your lease term in years.
- 4
Read the year-by-year rent roll to see how monthly and annual costs grow over the full term.
Frequently asked questions
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