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Finance Calc Kit
Real estate

Rent Increase Calculator

Calculate rent price increases, percentage hikes, new monthly rent, annual cost impact, and multi-year rent growth easily.

Rent increase details

$
%
years

New monthly rent

$1,575.00

Monthly increase

+$75.00

Percentage increase

5.00%

Annual extra cost

+$900.00

New annual rent

$18,900.00

3-year compounding projections

Each year assumes the same 5.00% increase applied to the prior year's rent.

YearMonthly rentIncrease vs baseAnnual cost
1$1,575.00+$75.00$18,900.00
2$1,653.75+$153.75$19,845.00
3$1,736.44+$236.44$20,837.28
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How the rent increase calculator works

Enter your current rent and choose a percentage increase, dollar increase, or target new rent. The calculator shows the new monthly payment, annual cost impact, and a multi-year projection table that compounds the same percentage each year. All math runs in your browser.

For partial-month moves, use the prorated rent calculator. Compare leases with free months via the net effective rent calculator. To see how inflation erodes purchasing power over time, open the inflation calculator.

Rent increase formulas

For a percentage increase:

New Rent=Current Rent×(1+Increase %100)\text{New Rent} = \text{Current Rent} \times \left(1 + \frac{\text{Increase \%}}{100}\right)

Monthly and annual impact:

Monthly Increase=New Rent−Current Rent,Annual Extra=Monthly Increase×12\text{Monthly Increase} = \text{New Rent} - \text{Current Rent}, \quad \text{Annual Extra} = \text{Monthly Increase} \times 12

Each projection year compounds the effective percentage on the prior year's rent.

Worked example: $1,500 rent with a 5% increase

  1. New monthly rent: $1,500 x 1.05 = $1,575
  2. Monthly increase: $1,575 - $1,500 = $75
  3. Annual extra cost: $75 x 12 = $900

Local rent control laws may cap annual increases. The projection table assumes the same percentage repeats each year, which is useful for planning but may not match regulated markets.

Frequently asked questions

How do I calculate a rent increase percentage?
Subtract the old rent from the new rent, divide by the old rent, and multiply by 100. This calculator does that automatically when you enter a percentage, dollar amount, or target rent.
What is the difference between the three increase modes?
Percentage mode applies a percent to current rent. Dollar mode adds a fixed amount. Target mode sets the new rent directly and back-calculates the increase.
How does the projection table work?
Each year applies the effective percentage increase to the previous year's rent. Year 1 uses the first hike; year 2 compounds on year 1's result, and so on.
Are rent increases always allowed?
No. Many cities limit annual increases through rent stabilization or rent control. Always check your lease and local tenant protection laws before assuming a hike.
Are the results stored?
No. Changing the fields only updates the page URL so you can copy and share your inputs.

Resources and references

The formulas and methods in this calculator were checked against these independent sources.