GST Calculator – Add or Remove GST from Amount
This free GST Calculator helps you quickly add GST to a net amount or remove GST from a total bill, so you can see the exact net value, GST amount, and gross amount with clear step-by-step working.
Choose Mode & Enter Values
Formula Used
- Add GST: Gross = Net × (1 + Rate/100)
- GST = Gross − Net
- Remove GST: Net = Total ÷ (1 + Rate/100)
- GST = Total − Net
Quick Tips
- Use the same GST rate you apply on your invoices or bills.
- “Add GST” is useful when you know the base price and want the final price.
- “Remove GST” is useful when the customer paid a total and you want the net amount.
- You can change the GST rate for special items or different countries.
Where Can You Use This GST Calculator?
You can use this GST Calculator whenever you need to quickly split any amount into net value and GST, or add GST on top of a base price for business, billing, or daily money decisions.
Retail Shop & Counter Billing
Check net amount and GST on customer bills at your shop counter so you can print or write invoices with clear tax breakup.
Online Selling & Marketplace Pricing
Use the calculator to fix GST-inclusive prices for products you sell on Amazon, Flipkart, Meesho, or your own website.
Freelancer & Service Invoices
Quickly add GST on service charges for design, consultancy, tuition, or any GST-registered freelance work.
Wholesale & B2B Quotations
Prepare GST-inclusive quotations for bulk orders and easily show clients how much tax is included in the final amount.
Price Comparison & Budget Planning
Compare prices with and without GST when planning purchases so you know the true cost of products and services.
GST Filing & Tax Records
Cross-check GST amount on purchase and sales entries before filing GST returns or maintaining accounting records.
GST Calculator – FAQ
You choose a mode (add or remove GST), enter the amount and GST rate, and the GST Calculator shows net amount, GST value, and gross amount with clear steps.
Select Add GST to Net Amount, enter your base price and GST rate. The tool calculates gross amount using Gross = Net × (1 + GST%/100) and shows GST separately.
Choose Remove GST from Total, enter the total amount including GST and the tax rate. The calculator finds net amount using Net = Total ÷ (1 + GST%/100) and also shows GST value.
You can use any GST rate. For India, common slabs are 0%, 5%, 12%, 18%, and 28%. Just type the percentage you need for your product or service.
Yes. Many shop owners, freelancers, and small businesses use this GST Calculator to prepare GST-inclusive prices, tax breakup, and clean invoice values before billing.
Yes. You can treat the GST rate as any sales tax or VAT rate. Enter your local percentage and the calculator will work the same way for net, tax, and gross amount.
