Free tool
Invoice late fee calculator
See what a late fee adds to an overdue invoice. Use a monthly percent, prorated by the day, or a flat fee.
1.5% a month is common. Prorated by day.
Only charge a late fee your customer agreed to in writing, like your payment terms on the estimate. Some states cap late fees, so check your state's rules.
Put this on an invoiceHow it works
Using the late fee calculator
- 1
Enter the invoice amount and how many days it is past due.
- 2
Pick a monthly percent, which is spread across the days late, or a flat fee.
- 3
Put the late fee in your payment terms before the work starts. A fee the customer never agreed to is hard to collect.
Guides
Related guides
- 5 min readLate Fees on Contractor Invoices: When and How to Use ThemA late fee only works if the customer agreed to it before the job. How to set one up, how much is reasonable, and when to waive it.Read the guide
- 5 min readHow to Follow Up on an Unpaid Invoice Without the Awkward CallMost unpaid invoices are forgotten, not refused. A short, specific follow-up — with the amount, the due date, and a way to pay — collects more than a vague "just checking in."Read the guide
- 5 min readPayment Terms for Contractors: Due on Receipt, Net 15, or Net 30Payment terms are the date you agreed to get paid. How to pick due on receipt, net 15, or net 30 — and put that date on the invoice.Read the guide
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