Statutory Interest Accrual
Calculator

Inputs

Total with interest
31,492.8

Results

Total with interest
31,492.8
Interest amount
6,492.8
Simple interest for comparison
6,000
Extra from compounding
492.8

Legal and admin results

Total with interest31,492.8
Interest amount6,492.8
Simple interest for comparison6,000
Extra from compounding492.8

formula-map diagram

Total with interest
31,492.8
Interest amount
6,492.8
Simple interest for comparison
6,000
Extra from compounding
492.8

Legal and admin relationship

Formula

A = P × (1 + r ÷ n)^(n × t)

= 31492.8

Note

This is NOT legal advice and NOT a statement of any law. It is generic arithmetic: it applies the displayed formula to the figures you entered, and every rate, fraction, factor, cap and threshold shown is a value YOU supply, not a statutory or court-approved figure. No jurisdiction's rule is built in. Real entitlements, fees, interest, support amounts and deadlines depend entirely on the jurisdiction, the wording of the contract, the day-count and rounding conventions the court applies, and the facts of the case. Use these figures only as a rough arithmetic check and consult a qualified lawyer in the relevant jurisdiction before relying on any number.

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Frequently asked questions

What is statutory interest and when does it apply?+

Statutory interest is a rate set by law that applies automatically to certain unpaid debts or judgments, regardless of any contract terms. It commonly applies to unpaid invoices, judgments, or specific consumer protection situations depending on your jurisdiction.

How does the calculator handle interest accrual over multiple periods?+

It applies the statutory rate to the principal for each period you specify, either as simple interest (rate x principal x time) or compounding if the statute requires it. Confirm which method your governing statute mandates, since this changes the result significantly over long periods.

What's the difference between statutory interest and contractual interest?+

Contractual interest is whatever rate the parties agreed to in a contract, while statutory interest is a default or mandatory rate imposed by law when no contract rate applies, or as a supplement to it. Some jurisdictions apply the higher of the two, so check which governs your specific situation.

Why did my accrued interest amount seem to jump between periods?+

If the calculation compounds interest, each period's interest is calculated on principal plus previously accrued interest, so the amount grows faster over time rather than staying flat like simple interest. Double check whether your statute specifies simple or compound treatment.

Does statutory interest keep accruing after a judgment is entered?+

Often a different rate applies after judgment (post-judgment interest) than before it (prejudgment interest), and this calculator handles pre-judgment statutory accrual. Check whether you need a separate calculation for the post-judgment period.