Last reviewed by Toollabz editorial ·
Calculate VAT amount and gross price from a net amount and VAT rate percentage.
Quick answer: VAT Calculator
To add 20% UK VAT, multiply the net price by 1.20. To remove VAT from a gross price, divide by 1.20 instead of subtracting 20%.
Example: GBP 480 net + 20% VAT = GBP 576 gross, including GBP 96 VAT.
Calculations follow the documented formula on this page; rounding and input units can change the last digit-treat outputs as educational estimates unless you reconcile with source systems.
* This is an estimate. Actual amounts may vary slightly based on input assumptions.
Retail stacks vary: some quotes are VAT-inclusive already. This tool assumes you start net-exclusive and add VAT for a clean subtotal/tax/total trio.
Calculate VAT amount and gross price from a net amount and VAT rate percentage.
Inputs on this page: Amount (excluding VAT), VAT rate (%). Assumptions stay visible so you can reproduce the figure elsewhere.
Long-form walkthroughs that pair well with this calculator. When you need narrative context beyond the live fields, start here and return to the tool to plug in your own numbers.
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Read guide →UK freelancers use this before quarterly VAT checks, small business owners use it when creating invoices, accountants use it for client bookkeeping, and ecommerce sellers use it when setting Shopify or Etsy prices. It is most useful when you need net, VAT, and gross figures to agree before a receipt or return is prepared.
Continue in the Finance category hub, the Finance tools collection, or the glossary. Related calculators in this session: Compound Interest Calculator, Profit Margin Calculator Business, Unit Price Calculator, Discount Calculator, Invoice Generator, Loan Calculator.
The Formula
VAT = Net × (Rate/100); Gross = Net + VAT| This tool | VAT = Net × (Rate/100); Gross = Net + VAT |
|---|---|
| Related intent: vat calculator | See paired tools for vat calculator-each page documents its own core relationship next to the live form. |
| Related intent: vat calculator uk | See paired tools for vat calculator uk-each page documents its own core relationship next to the live form. |
Core relationship for VAT Calculator:
VAT = Net × (Rate/100); Gross = Net + VAT
Worked check: £100 net at 20% → £20 VAT → £120 gross you might show on a quote.
Keep the same assumptions and open a neighbor calculator when your question branches: Compound Interest Calculator, Profit Margin Calculator Business, Unit Price Calculator, Discount Calculator. Each page documents its own formula beside the fields.
Learning links: Methodology · Editorial policy · Glossary
GBP 480 net + 20% VAT = GBP 576 gross, including GBP 96 VAT.
Re-enter the same numbers in the calculator above to confirm the page math matches the interactive result.
UK freelancers use this before quarterly VAT checks, small business owners use it when creating invoices, accountants use it for client bookkeeping, and ecommerce sellers use it when setting Shopify or Etsy prices. It is most useful when you need net, VAT, and gross figures to agree before a receipt or return is prepared.
Instant response
Run VAT Calculator in the browser and read the breakdown beside the form.
Transparent formula
The formula and worked example on this page match what the calculator uses.
Privacy friendly
No account required; inputs stay in your session unless you choose to share them.
Cross-device ready
Layout works on mobile, tablet, and desktop for the same field labels.
Official references for context. Calculator outputs are planning estimates—confirm material decisions with the primary authority or a qualified professional. See our methodology and editorial policy.
Reviewed July 18, 2026 · Content stamp 2026-07-18
Click a question to expand the answer.
No. This is a math helper only. VAT rules, exemptions, rounding, and filing are set by your country and accountant. For VAT Calculator, keep the inputs you used beside the result so the number can be checked later. The documented formula is VAT = Net × (Rate/100); Gross = Net + VAT, and small changes to rates, rounding, dates, tax rules, regional assumptions, or percentage bases can change the final vat calculator result. Treat the output as a planning reference and confirm high-stakes decisions against official guidance or source systems.
VAT = net amount × (VAT rate ÷ 100). Gross = net + VAT. For VAT Calculator, keep the inputs you used beside the result so the number can be checked later. The documented formula is VAT = Net × (Rate/100); Gross = Net + VAT, and small changes to rates, rounding, dates, tax rules, regional assumptions, or percentage bases can change the final vat calculator result. Treat the output as a planning reference and confirm high-stakes decisions against official guidance or source systems.
This version starts from net; use a dedicated reverse-VAT tool or divide gross by (1 + rate/100) manually. For VAT Calculator, keep the inputs you used beside the result so the number can be checked later. The documented formula is VAT = Net × (Rate/100); Gross = Net + VAT, and small changes to rates, rounding, dates, tax rules, regional assumptions, or percentage bases can change the final vat calculator result. Treat the output as a planning reference and confirm high-stakes decisions against official guidance or source systems.
No. Enter one net amount and one rate per run. For VAT Calculator, keep the inputs you used beside the result so the number can be checked later. The documented formula is VAT = Net × (Rate/100); Gross = Net + VAT, and small changes to rates, rounding, dates, tax rules, regional assumptions, or percentage bases can change the final vat calculator result. Treat the output as a planning reference and confirm high-stakes decisions against official guidance or source systems.
The formula is generic. You choose the rate to match your jurisdiction. For VAT Calculator, keep the inputs you used beside the result so the number can be checked later. The documented formula is VAT = Net × (Rate/100); Gross = Net + VAT, and small changes to rates, rounding, dates, tax rules, regional assumptions, or percentage bases can change the final vat calculator result. Treat the output as a planning reference and confirm high-stakes decisions against official guidance or source systems.
VAT dollars = net price × (rate ÷ 100); gross is net plus that VAT line. For VAT Calculator, keep the inputs you used beside the result so the number can be checked later. The documented formula is VAT = Net × (Rate/100); Gross = Net + VAT, and small changes to rates, rounding, dates, tax rules, regional assumptions, or percentage bases can change the final vat calculator result. Treat the output as a planning reference and confirm high-stakes decisions against official guidance or source systems.
£100 net at 20% → £20 VAT → £120 gross you might show on a quote. For VAT Calculator, keep the inputs you used beside the result so the number can be checked later. The documented formula is VAT = Net × (Rate/100); Gross = Net + VAT, and small changes to rates, rounding, dates, tax rules, regional assumptions, or percentage bases can change the final vat calculator result. Treat the output as a planning reference and confirm high-stakes decisions against official guidance or source systems.
Rounding rules (per line vs invoice total) can change pennies - follow your auditor. B2B reverse-charge regimes are not modeled - this is straight percentage math. Zero-rated and exempt supplies need human judgment, not a single rate field. For VAT Calculator, keep the inputs you used beside the result so the number can be checked later. The documented formula is VAT = Net × (Rate/100); Gross = Net + VAT, and small changes to rates, rounding, dates, tax rules, regional assumptions, or percentage bases can change the final vat calculator result. Treat the output as a planning reference and confirm high-stakes decisions against official guidance or source systems.
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Reviewed by Toollabz Editorial
Finance & tools editor | Last reviewed July 18, 2026
See methodology and editorial policy.