Prorated Rent Calculator
Calculate prorated rent from your own entered figures.
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Currency: Amounts are calculated in the currency you select; this site does not convert between currencies and does not use live exchange rates.
What this tool does
Calculate prorated rent from your own entered figures. User-entered property figures only. Estimates exclude costs not entered and are not investment advice. Your lease controls which method applies; the 30-day method uses 30 for every month, the actual-days method uses the real month length.
How to use the Prorated Rent Calculator
- Enter or select full monthly rent.
- Enter or select days occupied in the partial month.
- Enter or select days in the month (30 for the 30-day method, or the actual 28–31).
- Read the calculated result; change any measurement to compare alternatives.
Formula
daily rent=monthly rent/days in month; prorated rent=daily rent×days occupied
- rent
- Full monthly rent
- days
- Days occupied in the partial month
- daysInMonth
- Days in the month (30 for the 30-day method, or the actual 28–31)
User-entered property figures only. Estimates exclude costs not entered and are not investment advice. Your lease controls which method applies; the 30-day method uses 30 for every month, the actual-days method uses the real month length.
Worked example
For prorated rent calculator, the following measurements illustrate the exact method: Full monthly rent: 1800; Days occupied in the partial month: 12; Days in the month (30 for the 30-day method, or the actual 28–31): 30.
Inputs
- Full monthly rent1800
- Days occupied in the partial month12
- Days in the month (30 for the 30-day method, or the actual 28–31)30
Result
- Daily rent rate$60.00
- Prorated rent due$720.00
- Days occupied12
Results explained
- Daily rent rate
- Daily rent rate from the formula above. User-entered property figures only. Estimates exclude costs not entered and are not investment advice. Your lease controls which method applies; the 30-day method uses 30 for every month, the actual-days method uses the real month length.
- Prorated rent due
- Prorated rent due from the formula above. User-entered property figures only. Estimates exclude costs not entered and are not investment advice. Your lease controls which method applies; the 30-day method uses 30 for every month, the actual-days method uses the real month length.
- Days occupied
- Days occupied from the formula above. User-entered property figures only. Estimates exclude costs not entered and are not investment advice. Your lease controls which method applies; the 30-day method uses 30 for every month, the actual-days method uses the real month length.
Frequently asked questions
Divide the monthly rent by the number of days in the month to get a daily rate, then multiply by the days occupied. $1,800 rent over a 30-day month is $60 a day, so 12 days is $720.
The 30-day (banker's) method divides by 30 every month, giving a stable daily rate. The actual-days method divides by 28–31 depending on the month, so February days cost more each. Enter 30 or the real month length to match your lease.
Usually yes — proration normally counts every day of occupancy including the move-in day, but leases differ. Count the days your lease makes you responsible for the unit.
Only if the lease or a written agreement says so. Many leases hold you to the full month or the full term regardless of the day you leave, so check the agreement before assuming a prorated refund.
Security deposits are normally flat, not prorated. Recurring monthly charges like parking or pet rent are often prorated on the same daily basis as rent — your lease itemises which charges prorate.