Tool · Cash Flow

Free Late Payment Cost Calculator

Estimate how much cash is tied up in late invoices before it turns into a bigger operating problem.

Good for

Late payment hurts cash flow even when the money eventually arrives.

Delayed cash creates hidden stress in repeat-client businesses.

This helps quantify whether reminder automation is worth fixing now.

Invoices sent each month

Average invoice value

Percent paid late

Average days late

Results

Revenue paid late each month

£1,260

Invoice value that lands after the due date

Average cash delay

10.0 days

Across the overdue invoices only

Invoices paid late

7.0

Out of 20 invoices each month

Next step

Start free and connect the calculation to booking, packages, payments, CRM, renewals, and client portal workflows.