How to use the prorated rent calculator
- Enter the monthly rent.
- Choose moving in or moving out.
- Enter the date: the first day the tenant pays for when moving in, or the last day when moving out.
- Choose the method your lease uses. The table shows all three side by side.
The three methods compared
$1,500 rent, move-in on October 18 (14 days):
| Method | Daily rate | Prorated rent |
|---|---|---|
| Days in that month (31) | $48.39 | $677.42 |
| 365-day year | $49.32 | $690.41 |
| 30-day month | $50.00 | $700.00 |
The difference is small but real, and it changes by month: February has the highest daily rate with the days-in-the-month method, and 31-day months the lowest. Pick a method, write it in the lease and use it every time.
Move-out example
A tenant pays $1,500 rent and moves out on February 10, 2026. February has 28 days, so the daily rate is $53.57 and 10 days come to $535.71.
Tips for landlords
- Put the method in the lease so there's no argument later.
- Decide how the first month works: some landlords collect a full month's rent at signing and prorate the second month instead. That way the first payment covers move-in costs and the schedule lines up with the 1st.
- Keep records: note the prorated amount and how it was calculated on the rent ledger.
- Security deposits are separate from prorated rent, and most states set rules on how much you can charge and when to return it.
Tips for tenants
- Ask which method is used and check the math with this calculator.
- If you're moving out mid-month, confirm in writing that the landlord will prorate; many leases require a full month's notice.
Beyond one month
If you own rentals, prorated rent is one of many small calculations that add up. The cap rate calculator checks a property's yield, the rental property calculator shows cash flow with a mortgage, and the property tax calculator estimates one of your biggest costs.
Keep the rent roll straight
RentRoll is a landlord dashboard that records full and partial rent payments, applies late fees after a grace period and keeps one row per unit with tenant, lease and balance. Try the free demo with sample buildings in your browser.
General information; local laws and your lease decide what applies.
Frequently asked questions
How do you calculate prorated rent?
What are the three ways to prorate rent?
Does the move-in day count?
Do landlords have to prorate rent?
How is prorated rent calculated in February?
Written by
Finance Specialist & Editor, VaultlyApps
Emma Whitfield writes and edits the VaultlyApps money guides and free calculators. Her focus is US household finance — budgeting on a real paycheck, paying down credit card and student debt, emergency funds and savings goals, renting — and the money side of freelancing and small-business income, from pricing and profit margins to self-employment tax. Every guide is researched against primary sources such as IRS publications and the CFPB, every number is checked in our tested calculators, and tax content is reviewed each year when new IRS figures come out. Emma is not a licensed financial adviser or tax preparer; her work is general education, not personal advice.
Researched against primary US sources, checked against independent calculators and reviewed by a finance expert on our team. Written for US readers — general education, not financial, tax or legal advice. Editorial policy · Disclaimer
