General information, not advice
Everything on UK Business Tools Hub is provided for general information and arithmetic assistance. It is not accountancy, tax, legal or financial advice, and it is not a substitute for advice from a qualified professional who knows your circumstances.
We are not HMRC and we are not affiliated with HMRC, GOV.UK or any government body. No calculator on this site is approved, endorsed or accredited by HMRC, and nothing here should be read as a claim of such approval.
Accuracy of calculations
Every calculator states the formula it uses and shows its working. Results are rounded to two decimal places, which is conventional for invoices but may differ by a penny from a system that rounds at a different point. You are responsible for checking a result before you rely on it, send it to a customer, or include it in a tax return.
Tax rates and thresholds change
VAT rates, the VAT registration threshold, income tax and National Insurance rules are set by government and change. Where a figure or rate is stated on this site, treat it as a starting point and confirm the current position on GOV.UK on the day you rely on it. The calculators let you enter a custom rate precisely because a published rate may have moved since a page was written.
No accounting, tax or legal advice
- We do not know your business, your scheme, your sector or your transactions.
- Schemes such as the Flat Rate Scheme, cash accounting, the Construction Industry Scheme and the off-payroll working rules change what is due in ways a calculator cannot capture.
- Whether a supply is standard-rated, reduced-rated, zero-rated or exempt depends on the specifics of what you sell.
- For anything with a real financial consequence, use a qualified accountant or tax adviser.
Documents you generate
The invoice generator produces a document template populated with the information you enter. You are responsible for the accuracy and legality of what you send to your customers, including whether the invoice meets HMRC’s requirements for your business and whether VAT has been charged correctly.
External links
Links to GOV.UK, HMRC and other third-party sites are provided to help you check primary sources. We do not control those sites, and their content and availability may change. A link is not an endorsement of everything on the destination site.
Limitation of liability
To the extent permitted by law, we accept no liability for loss arising from reliance on information or a calculation on this site. Nothing in this disclaimer limits liability for death or personal injury caused by negligence, or for fraud.
Reporting an error
If you believe a calculator or a guide is wrong, please tell us through the contact form and select “Report a calculation error”. Include the figures you entered and the result you expected. Corrections are treated as a priority.