GST Calculator for India

Calculate GST, CGST, SGST and IGST instantly with a fast and accurate GST calculator. Add or remove GST, apply discounts, and get a clean invoice-style breakdown — plus EMI and SIP calculators for your other financial planning.

Calculate GST Explore Calculators
₹
Grand Total
₹11,800
₹
Base / Taxable Amount₹10,000
GST Rate18%
CGST (9%)₹900
SGST (9%)₹900
Total GST₹1,800

Amount split

₹11,800
Total
Taxable
GST

Proportional breakdown

TaxableGST

Tax split

9%
CGST
9%
SGST

Price breakdown flow

Product / Service₹10,000
↓
Discount−₹0
↓
Taxable Value₹10,000
↓
GST+₹1,800
↓
Final Invoice Amount₹11,800

Compare GST rates

RateGST AmountCGSTSGSTFinal Amount

EMI Calculator

₹25,00,000
8.5%
20
Monthly EMI
₹21,700
Total Interest
₹27,08,000
Total Payment
₹52,08,000
Principal₹25,00,000
Interest₹27,08,000

SIP Calculator

₹5,000
12%
10
Maturity Value
₹11,61,695
Total Invested
₹6,00,000
Estimated Returns
₹5,61,695
Invested₹6,00,000
Returns₹5,61,695

What is GST?

GST stands for Goods and Services Tax. It is an indirect tax applicable to the supply of goods and services in India, replacing several earlier indirect taxes with a single unified structure.

C

CGST

Central Goods and Services Tax — the share of GST collected by the Central Government on transactions within the same state.

S

SGST

State Goods and Services Tax — the matching share collected by the State Government on the same intra-state transaction.

I

IGST

Integrated Goods and Services Tax — applies to inter-state transactions and is collected by the Central Government.

How GST calculation works

Four simple steps take you from a raw amount to a finished, GST-accurate total.

1

Enter amount

Type the base or GST-inclusive amount.

2

Select GST rate

Pick a preset slab or enter a custom rate.

3

Choose tax type

CGST + SGST for intra-state, or IGST for inter-state.

4

Get final amount

See the taxable value, GST and grand total instantly.

GST-inclusive vs GST-exclusive

Two common ways prices are presented, and how each is calculated.

GST Exclusive

Base Amount₹10,000
+ 18% GST₹1,800
Final Amount₹11,800

GST Inclusive

Total Amount (incl. 18% GST)₹11,800
Taxable Amount₹10,000
GST Amount₹1,800

Built for how Indian businesses invoice

Estimate invoice totals faster across the businesses that price with GST every day. This tool supports estimation only and does not replace professional guidance.

GST rate reference

A general guide to commonly used GST slabs in India.

GST RateCommon Use Example
0%Essential unprocessed food items
5%Household necessities, transport services
12%Processed foods, business class air travel
18%Most goods and services, electronics
28%Luxury and sin goods
GST rates can depend on the specific goods/services and applicable rules. Verify the applicable rate for your transaction.

Everything you need for financial calculations

One page, three calculators, no sign-up.

Recent calculations

Stored only on this device.

Frequently asked questions

This GST calculator is provided for general informational and estimation purposes only. GST rates, applicability, exemptions, classifications and tax rules may change and can depend on the specific goods or services and transaction circumstances. This tool does not constitute tax, legal or accounting advice. Verify the applicable GST treatment with official government sources or a qualified professional before filing or making tax decisions.
EMI and SIP calculations are estimates based on the inputs provided. Actual loan terms, interest rates, investment returns, taxation, fees and other applicable conditions may differ. This tool does not constitute financial or investment advice.
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