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UK VAT Calculator for Tradesmen

Add VAT to a net price, or remove VAT from a gross price. Covers all three UK rates - 20% standard, 5% reduced and 0% zero-rated.

£

Net

£1,000.00

VAT (20%)

£200.00

Gross

£1,200.00

Stop calculating VAT line by line.

VioTrade applies the right UK VAT rate per item, automatically.

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We will send a copy of your net, VAT and gross figures plus a useful tip on UK trade VAT - handy if you are quoting on site and want a record.

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UK VAT rates explained

20% standard rate applies to most goods and services sold by VAT-registered businesses. This is the rate most tradespeople apply to their labour and standard materials.

5% reduced rate applies to energy-saving installations (boilers, insulation, solar panels under certain conditions), mobility aids for older people, children's car seats and some other specific items.

0% zero-rated applies to things like children's clothes, most food, books and newspapers. Zero-rated supplies are still "VAT-able" - just at 0% - so you can still reclaim input VAT on related purchases.

If you are not VAT-registered (turnover below £90,000 for 2026), you do not charge VAT on your sales but you also cannot reclaim VAT on your purchases. Once turnover hits the threshold, registration is mandatory.

For a full guide on how to apply VAT to your invoices, see how to invoice as a sole trader or VioTrade VAT management.