Add or remove GST from any price instantly by entering the amount and the applicable GST rate percentage.
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Goods and Services Tax (GST) is a destination-based indirect tax in India. Our GST calculator computes exact CGST, SGST, IGST, and net base prices for inclusive and exclusive invoices.
A financial utility that computes total tax liabilities or reverse-calculates base prices from inclusive amounts across standard Indian GST slabs (5%, 12%, 18%, 28%).
Calculated for ₹10,000 Net Base Price at 18% GST Slab:
Input item price and select Inclusive or Exclusive.
Choose 5%, 12%, 18%, 28% or a custom tax percentage.
Get CGST/SGST/IGST breakdown and gross invoice total.
Goods and Services Tax (GST) is a comprehensive indirect tax levied on the supply of goods and services. When computing transactions, you either add GST to find the final customer...
Goods and Services Tax (GST) is a comprehensive, multi-stage destination-based indirect tax levied on the supply of goods and services. GST replaced a fragmented network of indirect taxes (VAT, Service Tax, Excise Duty, Central Sales Tax), streamlining tax compliance across India.
For intra-state transactions (sales within the same state), GST is split equally into CGST (Central GST) and SGST (State GST). For inter-state transactions (sales across different states or exports), a single IGST (Integrated GST) is levied, which is collected by the Central Government and apportioned to destination states.
Essential goods (fresh food, grains) attract 0% GST; mass consumption items are taxed at 5%; standard items at 12% or 18%; luxury goods and sin goods (automobiles, tobacco, aerated drinks) are placed in the 28% slab plus applicable cess.
GST Exclusive (Adding GST): GST Amount = Net Amount × (GST% / 100), Total = Net + GST Amount. GST Inclusive (Removing GST): Net Base Price = Gross Amount / (1 + GST%/100), GST Amount = Gross Amount − Net Base Price. This calculator performs both reverse and forward GST calculations instantly.
Registered businesses can claim Input Tax Credit (ITC) for GST paid on business purchases and raw materials against GST collected on outward sales. ITC eliminates the cascading effect ("tax on tax") and reduces net cash tax liabilities for merchants.
Small taxpayers with annual turnover up to ₹1.5 Crore can opt for the GST Composition Scheme, paying tax at a fixed lower rate (1% to 6%) on turnover with minimal compliance overhead, though they cannot issue tax invoices or claim ITC.
Quick answers about how this tool works.
Formula: Net Price = Cost / (1 + (GST% / 100)); GST Amount = Cost - Net Price.
A GST calculator automatically calculates the GST amount and final price based on the original value and selected GST rate. It can also reverse-calculate the pre-tax amount when GST is already included in the price.
Common GST slabs in India include 5%, 12%, 18%, and 28%. Certain essential goods may be exempt or taxed at lower rates, while luxury and special products may attract higher tax rates.
CGST (Central GST) and SGST (State GST) are applied to intra-state transactions and are typically split equally. IGST (Integrated GST) is charged on inter-state transactions and is collected by the central government.
Yes. A GST calculator can add GST to a base price to determine the final amount or remove GST from a GST-inclusive price to find the original value and tax component.
To calculate 18% GST, multiply the original amount by 18 and divide by 100. Add the resulting GST amount to the original value to obtain the total price including GST.
A GST calculator helps businesses, freelancers, shop owners, accountants, and consumers quickly calculate tax amounts, verify invoices, prepare quotations, and avoid manual calculation errors.
Eligible registered businesses may claim Input Tax Credit (ITC) on GST paid for business-related purchases, subject to compliance with applicable GST regulations and documentation requirements.
Yes. GST calculators use standard tax formulas and provide accurate results based on the values and tax rates entered. Accuracy depends on selecting the correct GST rate for the transaction.
Plain-language explainers that sit next to this tool.
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