Chartered Accountants in London & Slough for Small Businesses
SBX helps you stay compliant & keep more of what you earn with expert tax, accounts, and bookkeeping services.
Tip: Use this tool to check invoices, estimate VAT on quotes, or sense-check supplier bills.
Your VAT details
Enter the price before VAT is added.
Use 20% for most UK goods and services. 5% and 0% apply to specific items under HMRC rules.
Your VAT calculation
Adding 20.0% VAT to a net price
Net amount
£0.00
VAT amount
£0.00
Total incl. VAT
£0.00
This VAT calculation is for guidance only. Complex transactions, discounts or special schemes may change the figures. SBX can confirm exact VAT for your situation.
Need help with VAT registration, returns or flat rate schemes? Talk to SBX Accountants about tailored VAT support for your business.
How this SBX VAT Calculator helps
This VAT Calculator is ideal for checking quotes, invoices and day-to-day pricing. You can add VAT to a net amount or strip VAT out of a gross price, which makes it easier to compare costs, set prices correctly, and avoid simple VAT mistakes.
For full VAT advice, including registration thresholds, returns, flat rate schemes and sector-specific rules, our Chartered Accountants at SBX can review your position and handle the compliance for you.
VAT calculator FAQs – what do you need to know?
Understanding how VAT is applied helps you price work correctly and avoid mistakes. These short FAQs cover how the VAT calculator works, what the results mean, the difference between VAT rates, and where to get support from SBX. You’ll also find links to other free SBX tools.
VAT support for your businessThe VAT calculator works by applying your selected VAT rate to a net or gross amount. You can add VAT to a price or remove VAT from a total. It gives you the net amount, VAT amount and gross amount instantly so you can check pricing or tax inputs quickly.
The calculator works with standard UK VAT rates. The default rate is 20%, used for most goods and services. You can also enter 5% or 0% where relevant (for example, energy-saving products or zero-rated items). This keeps the estimate accurate for most day-to-day calculations.
Yes. It gives you a clear VAT breakdown you can use when preparing invoices, quotes or internal pricing. It is an estimate only, as specialist schemes or discounts can affect the final figure. If you want SBX to check or prepare VAT returns, our team can help.
SBX provides several free tools to help you plan tax, cash flow and repayments. You can use the Credit Card Payoff Calculator, Business Expense Tax Savings Calculator, CIS Calculator, Loan Repayment Calculator and Take-Home Earnings Calculator.
Try them here:
The calculator gives you a quick estimate, but VAT can get complicated if you use flat-rate schemes, mixed-rate items or have reclaim restrictions. If you want SBX to check your VAT setup or file returns accurately, you can book a conversation with our team.
