How do you calculate a percent rent increase?
Multiply current rent by the percent divided by 100, then add that amount.
Rent Increase Calculator
See the new monthly rent after a percentage hike or a fixed dollar increase.
Enter current rent and increase
Choose percent or dollar increase, then enter the current rent and increase amount.
About this calculator
How to use Rent Increase Calculator, plus the formulas and logic behind the results.
Tool description
Percent mode multiplies current rent by the raise rate. Dollar mode adds a fixed amount. Both show the new rent and the increase.
How to use
- Enter your current monthly rent.
- Choose percent or dollar increase.
- Enter the increase percent or dollar amount.
- Select Calculate to view new rent.
Formulas & reference
Percent mode: increase = current × percent ÷ 100Dollar mode: increase = dollar amountNew rent = current rent + increase
Increase examples
- $1,800 + 5% → $1,890
- $1,800 + $100 → $1,900
- Increase amount = new − current
- Negative values model a rent reduction
Calculation logic
Percent increases scale current rent. Dollar increases add the entered amount. New rent is current plus the computed increase.
Local rent-control rules may limit how much rent can rise. This tool only does the arithmetic.
Rent Increase Calculator FAQ
Common questions about the calculation and how to interpret the estimate.
How do you apply a dollar increase?
Add the dollar amount to the current rent.
What does increase amount mean?
It is the difference between new rent and current rent.
Can I model a rent decrease?
Yes. Enter a negative percent or dollar change.
Is this yearly or monthly?
Use whatever period your rent uses—usually monthly.
Does this check legal rent caps?
No. Verify local regulations separately.