Calculation Mode
Add tax to a base amount (e.g., ₹1000 + 18% = ₹1180)
Amount 0
GST Rate (New Slabs) 18%
Applicable to: Consumer durables, electronics, automobiles.
Total Amount
₹1,180
Base Amount: ₹1,000
Net Amount (Pre-Tax) ₹1,000
GST Rate 18%
+ GST Amount ₹180
(CGST: ₹90 | SGST: ₹90)
Total Payable ₹1,180

Tax Analysis

Net Amount vs GST Component

GST 2.0: Understanding the New 2026 Tax Regime

As of late 2025, the GST Council has discussed proposals to simplify GST slabs. This calculator supports hypothetical and future-ready scenarios based on widely reported reform models.

The New GST Slabs Explained (2025-2026)

The updated tax structure has abolished the old 12% and 28% brackets, merging them into new categories to streamline the economy. Below is the detailed breakdown of the active slabs used in our GST tax calculator:

0% Slab (Nil Rated)

This category covers essential goods and services that are critical for daily life. Under the new regime, the 0% slab includes:

  • Essential Food Items: Unbranded flour, milk, fresh vegetables, and eggs.
  • Basic Healthcare: Doctor consultations and non-luxury hospital rooms.
  • Education: School fees and printed books.

5% Slab (Merit Goods)

Previously covering only basics, this slab has expanded. It now includes items that were previously in the 12% bracket but are considered necessities for the middle class:

  • FMCG & Personal Care: Soaps, toothpaste, and hair oil.
  • Small Vehicles: Entry-level two-wheelers and bicycles.
  • Agriculture Inputs: Fertilizers and seeds.

18% Slab (Standard Rate)

This is the default rate for the majority of manufactured goods and services. Most items previously taxed at 12% or 18% now fall here:

  • Electronics: Smartphones, laptops, and televisions.
  • Consumer Durables: Refrigerators, washing machines, and air conditioners.
  • Services: Restaurant dining, telecom bills, and IT services.
  • Automobiles: Mid-range cars and SUVs.

40% Slab (Demerit & Luxury)

Replacing the old "28% + Cess" structure, this single high-rate slab targets ultra-luxury and "sin" goods. The luxury tax calculator feature in our tool specifically addresses this slab:

  • Sin Goods: Tobacco products, pan masala, and aerated/sugary drinks.
  • Ultra-Luxury: High-end luxury cars, personal aircraft, and yachts.

How to Calculate GST: The Math Behind the Tool

Whether you are a freelancer raising an invoice or a shopper checking a bill, understanding the math is crucial. Our tool handles both calculation modes instantly.

1. Exclusive GST Calculation (Add Tax)

Use this when you have a Base Price and need to add tax on top. This is standard for B2B invoicing.

  • Formula: Total Price = Base Price + (Base Price × GST%)
  • Example: For a ₹1,000 service at 18% tax:
    ₹1,000 + (18% of 1,000) = ₹1,000 + ₹180 = ₹1,180.

2. Inclusive GST Calculation

Use this when you have the Total MRP and want to know the actual product price. This method is commonly used to find the base price from a tax-inclusive amount.

  • Formula: Base Price = Total Price / (1 + GST%/100)
  • Example: For a product sold at ₹1,180 (MRP) with 18% tax:
    ₹1,180 / 1.18 = ₹1,000. The hidden tax amount is ₹180.

Why Use Our GST 2.0 Calculator?

Manual calculations are prone to errors, especially with the GST inclusive formula where simple subtraction doesn't work (e.g., subtracting 18% from ₹1180 gives ₹967.6, which is wrong; the correct base is ₹1000). Our tool ensures 100% accuracy and also provides the split for CGST (Central Tax) and SGST (State Tax), which is simply half of the total tax for intra-state transactions.

Frequently Asked Questions (FAQ)

How do I calculate GST on a mobile phone in 2026?

Most mobile phones fall under the 18% Standard Slab in the new regime. If the phone costs ₹20,000 (excluding tax), the tax is ₹3,600, making the total ₹23,600.

How is GST calculated from a tax-inclusive price?

To find the pre-tax value, divide the total amount by 1.Rate. For example, to remove 18% tax, divide by 1.18. To remove 5% tax, divide by 1.05.

When did the new 40% GST slab come into effect?

The new 40% slab for demerit goods (tobacco, luxury cars) came into effect on September 22, 2025, replacing the complex "28% + Cess" system.

This GST calculator is designed for students, freelancers, and small businesses in India.