Rent Increase Percentage Calculator
Calculate the percentage increase between your old rent and new rent. The calculator also shows the yearly impact and common period breakdowns.
Enter the old rent amount for the selected billing period.
Enter the new rent amount for the selected billing period.
Applies to both rent amounts.
Based on the old rent and new rent entered above.
4 weeks = 28 days. Average month = 30.42 days. Difference between monthly and 4-week amounts: old $158.90, new $166.85.
Breakdown across common periods
Both rent amounts are annualized first, then shown across common billing periods.
| Period | Old | New | Difference |
|---|---|---|---|
| Hourly | $2.74 | $2.88 | $0.14 |
| Daily | $65.75 | $69.04 | $3.29 |
| Weekly | $460.27 | $483.29 | $23.01 |
| 2 weeks | $920.55 | $966.58 | $46.03 |
| 4 weeks (28 days) | $1,841.10 | $1,933.15 | $92.05 |
| Monthly | $2,000.00 | $2,100.00 | $100.00 |
| Annual | $24,000.00 | $25,200.00 | $1,200.00 |
How this calculator worksRent increase percentage calculator
Use before-and-after rent amounts to find the percentage increase. This is the cleanest way to check a notice when the landlord gives dollar amounts but not the percent.
What this calculation clarifies
- 1Percent and fixed increases behave differently
A percentage increase scales with the current rent. A fixed increase adds the same dollar amount. Over multiple years, percentage increases can compound.
- 2Annual impact is often clearer than monthly change
A small monthly increase can become a larger yearly cost. Annual impact helps you compare renewing, moving, or negotiating.
- 3Rules and caps are outside the math
Local rent rules, notice periods, CPI caps, lease terms, and exemptions can matter. The calculator gives the math, not legal permission.
Worked examples
$1,538 increased by 7.5% becomes $1,653.35. The monthly change is $115.35, and the annualized change is $1,384.20.
$800 plus $70 becomes $870. Over a year, that fixed increase adds $840 before any later changes.
If rent rises by the same dollar amount each year, the pattern is linear. If it rises by a percent each year, the pattern compounds and later years increase more.
Useful context
- Use this for rent increase calculator, rent increase percentage calculator, annual rent increase calculator, and calculating rent increase searches when they match the page.
- If you only know the old and new rent, use the percentage calculator. If you know the percentage and need the new rent, use rent after increase.
Related calculators
When rent increase context helps
- Checking a renewal notice before responding.
- Comparing the new rent with your affordability limit.
- Understanding whether a fixed increase or percent increase changes the yearly budget more.
Check before relying on it
- Local law and lease terms can control whether an increase is allowed. This page only calculates the numbers.