Prorated Rent Calculator

Calculate prorated rent for partial-month move-ins or move-outs. See daily rates, due-at-signing totals, occupancy calendars, and compare proration methods.

Prorated Rent
$1,096.77
17 of 31 days occupied
Daily Rate
$64.52
$2,000.00 ÷ 31 days
Savings vs Full Month
$903.23
Pay 17 days instead of 31
Due at Signing (+ Next Month)
$5,146.77
Prorated + deposit + last month + app fee + 1st full month
Due at Signing (No Next Month)
$3,146.77
Prorated + deposit + last month + app fee only
Occupied Days
17 days
Day 15 through 31

Occupancy Calendar

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OccupiedNot occupied

Move-In Day Comparison

Move-In DayDays OccupiedProrated RentSavings
Day 131$2,000.00$0.00
Day 527$1,741.94$258.06
Day 1022$1,419.35$580.65
Day 1517$1,096.77$903.23
Day 2012$774.19$1,225.81
Day 257$451.61$1,548.39
Day 311$64.52$1,935.48

Proration Method Comparison

MethodProrated AmountDifference
Daily (actual days)$1,096.77$0.00
Banker (30-day month)$1,133.33$36.56
Calendar (365-day year)$1,117.81$21.03
Planning notes, formulas, and examples

About the Prorated Rent Calculator

When you don't move in on the first of the month, you only pay rent for the days you actually occupy the apartment — this is prorated rent. A $2,000/month apartment with a March 15th move-in means you pay for 17 days: $2,000 ÷ 31 × 17 = $1,096.77. Combined with a security deposit and first full month's rent, your move-in costs add up fast.

Proration is straightforward but landlords may use different calculation methods: dividing by actual days in the month (most common and fair), assuming a 30-day month (banker's method), or using a 365-day year. These small differences can mean $20-50 more or less. Knowing which method your landlord uses — and what the correct amount should be — prevents overpaying.

This calculator handles both move-in and move-out proration, shows an occupancy calendar so you can visualize exactly which days you're paying for, and provides the complete due-at-signing breakdown. The move-in day comparison table helps you negotiate timing — moving in just a few days later can save meaningful money on your first month.

When This Page Helps

Prorated rent changes the real cash you need on move-in day, especially when you add security deposit, first full month's rent, and any move-in fees. Use this calculator to confirm the charge, compare move-in dates, and see how much timing affects your upfront cost.

How to Use the Inputs

  1. Select whether you're calculating for a move-in or move-out
  2. Enter your monthly rent amount
  3. Enter the day of the month you're moving in or out
  4. Select the month to get the correct number of days
  5. Add security deposit, last month's rent, and application fee
  6. Review the occupancy calendar and due-at-signing total
  7. Compare proration amounts for different move-in days
Formula used
Daily Rate = Monthly Rent ÷ Days in Month Prorated Rent = Daily Rate × Occupied Days Move-In: Occupied Days = Days in Month − Move-In Day + 1 Move-Out: Occupied Days = Move-Out Day Due at Signing = Prorated Rent + Security Deposit + Last Month + App Fee + First Full Month

Example Calculation

Result: Prorated Rent: $1,096.77 — Daily Rate: $64.52 — 17 days occupied

Daily rate = $2,000 ÷ 31 = $64.52. Occupied days (Mar 15-31) = 17. Prorated rent = $64.52 × 17 = $1,096.77. Savings vs full month = $903.23. Due at signing with a $2,000 deposit, $50 application fee, and the next full month = $1,096.77 + $2,000 + $50 + $2,000 = $5,146.77.

Tips & Best Practices

  • Ask which proration method your landlord uses — "actual days" is most fair
  • Moving in later in the month means a smaller first payment but doesn't change total lease cost
  • Due-at-signing can be 2-4x monthly rent — budget accordingly
  • If moving out mid-month, confirm you'll receive a refund for unused days
  • February proration varies by $100+ between a 28- and 31-day month method

When Proration Applies

Proration matters any time your lease starts or ends mid-month. The exact charge depends on the landlord’s method, the number of days in the month, and whether your lease counts the move-in or move-out day as occupied.

What To Verify

Check the proration method in writing, confirm whether utilities or fees are bundled into move-in costs, and make sure the due-at-signing total matches the lease paperwork before you send payment.

Sources & Methodology

Last updated:

Methodology

This page calculates daily rent from the entered monthly rent and selected month length, then multiplies it by occupied days to produce the prorated amount. For move-ins it counts occupancy from the move-in date through the end of the month; for move-outs it counts from day 1 through the move-out date. It also shows banker-style 30-day and 365-day annualized comparisons, plus due-at-signing totals when deposit, last-month, and application-fee inputs are included.

The result is a planning worksheet, not a lease-interpretation engine. Landlords may define proration differently in the lease, may round differently, and may treat move-in or move-out day counting differently, so the signed lease controls the final charge.

Sources

Frequently Asked Questions

  • Most landlords use: Monthly Rent ÷ Days in Month × Days Occupied. For a $1,500/month apartment with move-in on the 20th of a 30-day month: $1,500 ÷ 30 × 11 = $550. Some use a 30-day banker's month or 365-day year method instead.