Overdue Rent Interest Calculator

Estimate interest on overdue rent payments using simple or compound interest. Useful for landlords, tenants, and property managers.

When to use this calculator

This calculator helps estimate interest accrued on unpaid rent between two dates based on an agreed rate (in the lease) or a statutory/default rate where applicable.

Amount owed

Annual interest rate (%)

Start date

End date

Interest type

Currency

Tip: If your lease specifies an interest rate for late rent, use it. Otherwise, verify any default/statutory rules that may apply locally.

Results

Days overdue

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Interest

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Total

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How it’s calculated

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FAQ

What rate should I use for late rent?

Use the rate stated in the lease if applicable. If not, confirm local rules or agreed terms before applying any rate.

Is this calculator legal advice?

No. This tool provides an estimate only.

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