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VAT Rate Change Impact

Compare old and new VAT rates for the same net price. Useful for planning price updates when VAT rates change.

Use this calculator when you need a fast, reliable answer without opening a spreadsheet. Enter your figures below and press Calculate. PercentNinja shows the key outputs you typically need for pricing decisions, VAT checks, ecommerce payouts or ad reporting.

When to use this

Calculate

Results are estimates for informational purposes only and may be rounded.
Tip: Press Enter to calculate.

Worked examples

Example 1

Question: Net £100, VAT 20% → 22%.

  • Old = 100×1.20 = £120
  • New = 100×1.22 = £122
  • Difference = £2

Example 2

Question: Net £250, VAT 5% → 0%.

  • Old = 250×1.05 = £262.50
  • New = 250×1.00 = £250
  • Difference = −£12.50