Late Payment Interest Calculator

Statutory interest on a late commercial invoice is the Bank of England base rate plus 8%.

Invoice amount (excl. VAT)

Days overdue

Base rate

Payment due date

Date paid / today

Add statutory fixed compensation A one-off charge you can also claim per overdue invoice: for this amount.

Interest you can claim

on overdue for days at %

Interest is accruing at a day. Every extra week adds .

Estimate only. Statutory interest applies to commercial (B2B) debts under the Late Payment of Commercial Debts (Interest) Act 1998.

Total owed

Outstanding total (invoice + interest + compensation) over the days it stays unpaid.

Days overdue	Interest	Total to claim

Highlighted row is closest to your current days overdue.

Invoice	Days	Interest	Total to claim

Combined total across saved invoices:

Related tools

VAT return

Work out VAT on your invoices

Corporation tax

Tax on company profits

All calculators

Browse every TaxFly tool