For limited company contractors
Billable days and invoice months
Date maths for people who bill by the day. This page does not cover tax, take-home pay or IR35.
Days you work each week
Enter a day rate from £0 to £100,000.
Billable days in a tax year
Tax year
- Working days in the tax year
- Less days off
- Billable days
Invoiced before VAT, expenses and tax.
Working days per invoice month
| Month | Bank holidays | Working days | Invoice |
|---|---|---|---|
| Total |
Whole months, before any days off. Values are before VAT, expenses and tax.
GOV.UK has published bank holidays for to only, so there is no figure for dates outside those years.
Built by Alex Hunter
I contract as a data product manager through my own limited company. I built these tools for my own invoicing, and keep them free.