Prorated Rent Calculator
Daily-method prorated rent from monthly rent, month, and move-in day. Click any i for detail.
Lease math
Monthly rent ($)
i
Rent
Full-month rent on the lease. |
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|---|---|
Year
i
Year
Used with month to get days in that month (leap years included). |
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Month
i
Month
1 = January … 12 = December. |
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Move-in day
i
Move-in day
First night you owe. Occupied days run through month-end. |
How to use this calculator
- Enter full monthly rent.
- Set year and month.
- Enter move-in day.
- Read daily rate and prorated total.
Results explained
Daily method: rent ÷ days in that month × days from move-in through month-end.
Quick reference: proration
Two common lease methods.
| Item | Detail |
|---|---|
| Daily (this page) | rent ÷ actual days in month |
| 30-day month | rent ÷ 30 × days occupied |
| Move-out proration | Usually days occupied at the start of the month |
| Deposits | Usually not prorated |
Always match the method written in the lease.
How the estimate is built
prorata = (rent / days_in_month) × (days_in_month − move_in_day + 1).
Example scenario
$1,850 in August 2026 (31 days) moving in on the 13th → 19 days → $1,133.87.
FAQ
Does move-in day count?
This page counts it. Some landlords start the next day — read the lease.
February?
Uses 28 or 29 depending on year.
Utilities?
Often prorated separately or not at all.