Rent Increase Calculator
Last updated: October 15, 2026
Estimate a proposed rent increase, annual revenue change and tenant cost under percentage or fixed-dollar assumptions.
Estimated new monthly rent per unit
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- Monthly increase per unit: —
- First-year gross revenue increase: —
- Net first-year increase after vacancy or concessions: —
- New annual rent per unit: —
On this page
Quick summary: Estimate a proposed rent increase, annual revenue change and tenant cost under percentage or fixed-dollar assumptions.
Read the complete guide
Updated reference sections in this guide are in English.
What this calculator estimates
Estimate a proposed rent increase, annual revenue change and tenant cost under percentage or fixed-dollar assumptions.
How to use it
Enter Current monthly rent ($); Proposed rent increase (%); Additional fixed increase ($); Number of units affected; Months effective in first year; Expected additional vacancy or concessions ($). Select Calculate to update the results.
How the calculation works
The percentage and fixed-dollar increase are added to current rent. The monthly change is multiplied by units and effective months.
Worked example: starting scenario
| Current monthly rent ($) | 1850 |
|---|---|
| Proposed rent increase (%) | 5 |
| Additional fixed increase ($) | 0 |
| Number of units affected | 4 |
| Months effective in first year | 12 |
| Expected additional vacancy or concessions ($) | 0 |
| Estimated new monthly rent per unit | $1,942.50 |
|---|---|
| Monthly increase per unit | $92.50 |
| First-year gross revenue increase | $4,440.00 |
| Net first-year increase after vacancy or concessions | $4,440.00 |
| New annual rent per unit | $23,310.00 |
Important limitations
Local rent-control, notice, lease, subsidy and fair-housing rules may restrict increases. This is not legal advice and does not determine allowed rent.