VAT VAT Tax AmountCalculate the VAT that has been paid or will be paid on amounts where VAT is included in the amount entered at the standard rate of 20%. From 15 July 2020 to 12 January 2021, a reduced rate of 5% applies in certain cases and is not covered by this calculator.Calculate the VAT Starting figure (£): * Does this figure already include VAT?: Yes No The current rates and thresholds Registration threshold £85,000 Deregistration threshold £83,000 Annual accounting threshold up to £1,350,000 Cash accounting scheme up to £1,350,000 Flat rate scheme up to £150,000 Standard VAT rate 20% Reduced rate 5%