how manybricks
🇬🇧 UK🇺🇸 NA🇺🇸 CA🇺🇸 FL🇺🇸 TX

VAT Calculator

Quickly add VAT to your net prices or remove VAT from gross amounts. Essential for creating quotes and understanding your invoices.

Go to Calculator →

How It Works

Choose whether to add VAT to a net amount (creating a quote) or remove VAT from a gross amount (checking an invoice). Select your VAT rate and get instant results.

UK VAT Rates

  • Standard Rate (20%): Most goods and services
  • Reduced Rate (5%): Energy-saving materials, residential conversions
  • Zero Rate (0%): New residential builds, some renovations

When to Use

  • Creating quotes for clients
  • Checking supplier invoices
  • Calculating VAT returns
  • Understanding gross vs net pricing
Calculate VAT
UKUK Building Regulations

References & Sources

Standards Cited
  • VAT Notice 708 — HMRC VAT Notice 708 — Buildings and construction
    Defines VAT rates applicable to construction work: standard rate (20%), reduced rate (5% for certain renovations), and zero rate (for new dwellings) View →
  • VAT Act 1994 — UK Value Added Tax Act 1994
    Primary legislation governing VAT in the UK, including rates, registration thresholds, and exemptions
Formulas Used
  • Add VAT (net to gross): gross = net x (1 + vatRate / 100)
    Source: VAT Act 1994
  • Remove VAT (gross to net): net = gross / (1 + vatRate / 100)
    Source: VAT Act 1994
  • VAT Amount (from net): vat = net x (vatRate / 100)
    Source: VAT Act 1994
  • VAT Amount (from gross): vat = gross - (gross / (1 + vatRate / 100))
    Source: VAT Act 1994
Key Assumptions
  • UK standard VAT rate is 20% — HMRC / VAT Act 1994
  • UK reduced VAT rate of 5% applies to certain renovation and conversion works — HMRC VAT Notice 708
  • Zero-rate VAT (0%) applies to new residential construction — HMRC VAT Notice 708