Free tool

Pro-rated rent calculator

When a tenant moves in partway through a month, how much should the first payment be? Enter the monthly rent and the move-in date, and choose when rent falls due.

When is rent due?

First payment, due 18 Oct 2026

₹4,065

14 of 31 days × ₹9,000 ÷ 31 (about ₹290 a day), for the rest of the move-in month.

The first bills

  • 18 Oct 2026₹4,065
  • 01 Nov 2026₹9,000
  • 01 Dec 2026₹9,000
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Two common ways to charge the first month

Rent due on the 1st: the tenant pays only for the days left in the move-in month, counting the move-in day. That is the monthly rent × days remaining ÷ days in that month. From the next 1st they pay the full rent.

Rent due on the move-in date: the tenant pays a full month’s rent the day they move in, and the same amount on that date every month. If they moved in on the 29th, 30th or 31st, rent falls due on the last day of shorter months.

A worked example

Rent ₹9,000 a month, moving in on 18 October (a 31-day month), rent due on the 1st: 14 days remain including the 18th, so the first payment is ₹9,000 × 14 ÷ 31 = ₹4,065 (rounded to the nearest rupee), and ₹9,000 is due on 1 November and every 1st after that.

With rent due on the move-in date instead, the tenant pays ₹9,000 on 18 October, then ₹9,000 on 18 November, 18 December and so on.

The same rules OurGuests uses

These are the two billing styles in OurGuests, worked out by the same code. In the app you choose one per tenant, and rent is billed automatically every cycle, so the amount due is always current for you and your tenant.

Frequently asked questions

Is the move-in day counted?

Yes. With rent due on the 1st, the first bill covers the move-in day through the last day of that month.

Which is better: rent on the 1st or on the move-in date?

Rent on the 1st keeps every tenant on the same date, which is easier to track in a PG. Rent on the move-in date avoids a part-month bill. OurGuests supports both, chosen per tenant.

What if the tenant moves in on the 31st?

With rent due on the move-in date, it falls due on the last day of shorter months (for example 28 or 29 February, 30 April).

Is the calculator free?

Yes, it is free with no sign-up. Nothing you enter is saved.

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