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GST Calculator – Add GST to Price

Sales Tax Add calculator using INR. Rates are user-entered where laws or local rates can vary.Country Specific · Locale Tools

Quick answer

If pre-tax amount is ₹10,000 and tax rate is 18%, the total is ₹11,800 and the tax is ₹1,800.

GST calculation formula: GST amount = price × GST rate ÷ 100; Total price = price + GST amount.

Enter your values

0 %40 %
%

Total

₹11,800

An amount worked out directly from the figures you entered above.

15% is tax

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About the GST Calculator – Add GST to Price

GST (Goods and Services Tax) is added on top of the price of most goods and services in India. Enter the pre-tax amount and the GST rate that applies to your product or service, and this calculator shows the GST amount and the total you pay or charge.

For example, ₹10,000 at 18% GST has ₹1,800 of tax, so the total is ₹11,800.

GST calculation formula

GST amount = price × GST rate ÷ 100

Total price = price + GST amount

The price here is the amount before GST. Use the Reverse GST calculator when you already have the total including GST.

Things to keep in mind

  • Enter the GST rate that applies to your goods or services — rates differ by item and can change, so check the current rate.
  • For supply within a state, GST is split equally into CGST and SGST (each half the rate); for supply between states it is charged as IGST.
  • Keep the pre-GST price and the GST amount separate on invoices.

See how the result changes

Each table re-runs this calculator with one value changed and everything else left as it is.

Total by pre-tax amount

If pre-tax amount goes from ₹10,000 to ₹15,000, total changes from ₹11,800 to ₹17,700 (+50%).

Total for different values of Pre-tax amount
Pre-tax amountTotal
₹5,000₹5,900
₹7,500₹8,850
₹10,000start₹11,800
₹15,000₹17,700
₹20,000₹23,600

Total by tax rate

If tax rate goes from 18% to 27%, total changes from ₹11,800 to ₹12,700 (+7.6%).

Total for different values of Tax rate
Tax rateTotal
9%₹10,900
13.5%₹11,350
18%start₹11,800
27%₹12,700
36%₹13,600
COUNTRY SPECIFIC GUIDE

A quick guide to India Sales Tax Add

Sales Tax Add calculator using INR. Rates are user-entered where laws or local rates can vary. Use it to get an accurate total in seconds — free, with no sign-up.

  • Instant results

    See your total the moment you enter your numbers.

  • Free, no sign-up

    Every calculator here is free to use, with no account required.

  • Accurate & transparent

    The same standard formula runs on our server for every calculation.

How to Use the India Sales Tax Add Calculator

1

Enter Pre-tax amount

Provide your pre-tax amount.

2

Enter Tax rate

Provide your tax rate, in %.

3

View Your Results

Get your total instantly, calculated on our server.

What is India Sales Tax Add?

Sales Tax Add calculator using INR. Rates are user-entered where laws or local rates can vary. This country specific tool works out your total instantly, so you don't have to do the math by hand.

“One quick calculation, so you always know your total before you decide.”

What Affects Your Total

Your total depends on the values below.

  • Pre-tax amount

    Changing your pre-tax amount changes your total.

  • Tax rate

    Changing your tax rate changes your total. Typically between 0 and 40 %.

Example Result

Here's what you can expect from an india sales tax add calculation:

Pre-tax amount
10000
Tax rate
18 %
Total
₹11,800
Tax
₹1,800

Frequently Asked Questions

How do I add GST to a price?
Multiply the price by the GST rate and divide by 100 to get the GST amount, then add it to the price. For ₹10,000 at 18%, GST is ₹1,800 and the total is ₹11,800.
What is the difference between CGST, SGST and IGST?
Within one state, the GST rate is split equally between the central government (CGST) and the state (SGST). For sales between states, the whole rate is collected as IGST.
How does pre-tax amount affect total?
If pre-tax amount goes from ₹10,000 to ₹15,000, total changes from ₹11,800 to ₹17,700 (+50%).
How does tax rate affect total?
If tax rate goes from 18% to 27%, total changes from ₹11,800 to ₹12,700 (+7.6%).
How to calculate GST?
Fill in pre-tax amount and tax rate in the GST Calculator – Add GST to Price above and your total is calculated instantly. Change any value to see how the result responds.
What does an example india sales tax add calculation look like?
If pre-tax amount is ₹10,000 and tax rate is 18%, the total is ₹11,800 and the tax is ₹1,800.
Is this calculator free to use?
Yes — every calculator on this site is completely free, with no sign-up or account required.
How accurate is this calculator?
It uses the standard formula and calculates on our server for every request, so results are precise for the values you enter.
Is my data saved anywhere?
No. Nothing you enter is stored or sent anywhere unless you choose to share a link with your values included.
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India Sales Tax Add

Enter your values

0 %40 %
%

Total

₹11,800

An amount worked out directly from the figures you entered above.

15% is tax

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