Prorated Rent Calculator (Move-In or Move-Out)

Prorated rent calculator: rent owed for a partial month when you move in or out mid-month, by days in the month, a 365-day year or a 30-day month.

rent × days ÷ days in month

How to use this calculator

  1. Type your input in the box.
  2. The result updates as you type.
  3. Use “Copy result” or “Copy link” to share it.

Most leases divide the monthly rent by the number of days in that month; some use a 365-day year (rent × 12 ÷ 365). Check which method your lease uses.

Frequently asked questions

$1,800 rent, moving in on the 15th of a 30-day month?

16 days: $960.

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