VAT Calculator
Add VAT to a net price or strip VAT from a gross price — instantly. Works for any VAT or GST rate.
VAT (Value Added Tax) is a consumption tax added at each stage of production or sale. Businesses collect it on behalf of the government. You either need to add VAT to a net price (for invoicing customers) or remove VAT from a gross amount (to find the pre-tax value of a purchase).
Adding VAT: Gross = Net × (1 + Rate ÷ 100)
Removing VAT: Net = Gross ÷ (1 + Rate ÷ 100)
VAT Amount: Gross − Net
How do I calculate VAT?
To add VAT: multiply the net price by (1 + VAT rate). For example, £100 at 20% VAT = £100 × 1.20 = £120 gross. To remove VAT from a gross price: divide by (1 + VAT rate). £120 ÷ 1.20 = £100 net.
What is the difference between net and gross?
Net price is the amount before VAT is added. Gross price is the total including VAT. The VAT amount is the difference between the two. Businesses typically quote net prices to other businesses (B2B) and gross prices to consumers (B2C).
What VAT rate should I use?
VAT rates vary by country and product type. The UK standard rate is 20%, the EU average is around 21%, Australia's GST is 10%, and Canada's GST is 5%. Always check with your local tax authority for the correct rate for your goods or services.
Can I use this as a GST calculator?
Yes — GST (Goods and Services Tax) works identically to VAT mathematically. Just enter your GST rate (10% for Australia, 15% for New Zealand, 5% for Canada) and this calculator handles it the same way.
Free to use on your website or blog. Paste one line of HTML — no account or backend needed.