How to use this calculator
- Enter contract monthly rent, lease term in months, total rent concessions.
- Choose a display currency, then select Calculate. Results also update after a brief pause while you edit.
- Read the result with the assumptions below. Export details or save a second scenario to compare your choices.
Formula and method
Assumptions and limitations
Concessions cannot exceed contract rent under this simple model. Deposits, utilities and nonrent charges are excluded.
Worked example
With contract monthly rent = 1000, lease term in months = 12, total rent concessions = 1200, net effective monthly rent is approximately 900.
What the result means
The effective average differs from the actual payment schedule and may not represent the renewal rent.
Common questions
How should I interpret net effective monthly rent?
The effective average differs from the actual payment schedule and may not represent the renewal rent.
What should I check before using this result?
Concessions cannot exceed contract rent under this simple model. Deposits, utilities and nonrent charges are excluded.
Methodology and transparency
Calculation specification reviewed on 2026-10-14. Mathematical implementation is tested against independent reference fixtures. This does not imply review by a licensed financial professional. Read the testing and precision policy.