VAT Rate Change Impact
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Results are estimates for informational purposes only and may be rounded.
Tip: Press Enter to calculate.
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
- Building VAT-inclusive prices from a net figure
- Reverse-calculating net and VAT from a receipt or invoice
- Forecasting VAT due for a period and spotting surprises early
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