Free Online GST and VAT Calculator

All-in-One Utility Hub
14 Jun, 2026
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All-in-One Utility Hub

🧾 GST / VAT Calculator

Add or Remove Tax — Net ↔ Gross Price Conversion

Tax Rate:
%
Quick:
$
%
Gross Price (Including Tax)
$1,180.00
$1,000.00
Net Price
$180.00
Tax Amount
$1,180.00
Gross Price
$
%
Net Price (Excluding Tax)
$1,000.00
$1,000.00
Net Price
$180.00
Tax Amount
$1,180.00
Gross Price

📖 How to Use the GST / VAT Calculator — Complete Guide

Calculate GST, VAT, and Sales Tax Instantly — Free Online Tax Calculator by All-in-One Utility Hub. This tool helps businesses, freelancers, and shoppers quickly determine the amount of tax in a price. Use the Add Tax mode to find the final selling price after tax, or the Remove Tax mode to extract the pre‑tax amount from a tax‑inclusive total. The calculator supports custom tax rates and includes one‑click country presets for India, the UK, the EU, Australia, and Singapore. All calculations happen locally in your browser — no data is ever uploaded.

🎯 How to Add Tax (Net → Gross)

  1. Click the "Add Tax" tab.
  2. Enter the net price (the price before tax).
  3. Set the tax rate using the preset buttons or type a custom percentage.
  4. The gross price (including tax) and the tax amount appear instantly.
  5. Click Copy to copy the gross price, or Download to save it as a text file (you can enter a custom file name).

🎯 How to Remove Tax (Gross → Net)

  1. Click the "Remove Tax" tab.
  2. Enter the gross price (the total price including tax).
  3. Set the tax rate that was applied.
  4. The net price (before tax) and the tax amount appear instantly.
  5. Copy or download the net price as needed.

📊 Tax Rate Reference Table

CountryTax NameStandard RatePreset Available
🇮🇳 IndiaGST5%, 12%, 18%, 28%✅
🇬🇧 United KingdomVAT20%✅
🇪🇺 European UnionVAT~21% (varies)✅
🇦🇺 AustraliaGST10%✅
🇸🇬 SingaporeGST9%✅

📐 Formulas Used

Add Tax: Gross = Net × (1 + Rate/100)

Remove Tax: Net = Gross / (1 + Rate/100)

Tax Amount: Tax = Gross − Net

Add & Remove Tax

Switch between modes instantly.

Country Presets

One click for India, UK, EU, Australia, Singapore.

Custom Tax Rates

Enter any percentage you need.

Real‑Time Results

Updates as you type — no button required.

Copy & Download

Copy to clipboard or download as a file with a custom name.

100% Private

All calculations happen locally in your browser.

💡 Pro Tip: Always verify the tax rate applicable to your product or service. For GST in India, the rate depends on the HSN code. For VAT in the EU, rates vary by country and product category.

❓ FAQ

Use the "Add Tax" tab. Enter the net price and the GST rate. The gross price and tax amount are calculated instantly.

Switch to the "Remove Tax" tab. Enter the gross price and the VAT rate. The net price (before tax) and the tax amount appear immediately.

Yes, type any percentage in the "Custom" input box. The calculator accepts decimal values too (e.g., 12.5%).

100% free, no registration required. Part of All‑in‑One Utility Hub.

Yes, click the Download button and enter your preferred file name when prompted.

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