Free business calculator

Late Payment Fee Calculator

Estimate a fixed and percentage late fee with grace days and a clear maximum cap.

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Estimated late fee

CA$40.50

2 started 30-day late periods remain after the entered grace days.

New balance: CA$890.50
Fee cap: CA$127.50
Chargeable days: 35

Transparent breakdown

Fixed fee: CA$15.00
1.5% × 2 periods: CA$25.50
Before cap: CA$40.50

Late-fee calculation
Part	Amount
Unpaid balance	CA$850.00
Fixed fee	CA$15.00
Percentage fee	CA$25.50
Entered cap	CA$127.50
Fee charged	CA$40.50
New balance	CA$890.50

Use the result well

A clear answer, with the assumptions visible

These recommendations turn the result into an operational next step without hiding the inputs behind a score.

1
Confirm the fee was disclosed before the invoice became late.
2
Check local limits before adding the charge.
3
Show the original balance, fee, and new total separately.

How this tool works

Remove the grace period from days late.
Add the fixed fee and simple percentage fee for each started 30-day period.
Cap the result at the entered share of the unpaid balance.

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