Daily Compound Interest Calculator

Calculate daily compounded interest for overdue payments. Ideal for agreements that apply daily compounding or when you want a compounding estimate.

When to use daily compounding

Use daily compounding when your agreement specifies compounding, or when you want to estimate interest with compounding over time. Always verify the correct method and rate for your case.

Amount owed

Annual interest rate (%)

Start date

End date

Currency

Method: Total = Amount × (1 + Rate/365)^Days. This is an estimate and may differ from contract/statutory rules.

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

Does this calculator compound daily?

Yes. It uses daily compounding based on the annual rate. Some contracts use monthly or other compounding schedules.

Is this legal advice?

No. This tool provides an estimate only.

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