GST Inclusive / Exclusive Calculator
Instantly add GST on top of net cost, or extract taxable value from GST-inclusive retail prices.
Formula: Inclusive Base = MRP / (1 + Rate/100) | Exclusive Total = Net + (Net * Rate/100)
Calculator Inputs
Live SyncMRP Invoicing Rule:
Under Indian law, customer listed prices on websites must be MRP inclusive of all taxes. Your invoice must break down the taxable base and GST separately.
Calculated GST AmountVerified Formula
₹0
total tax payable
Calculation Breakdown
Net Taxable Value (Before Tax)--
GST Tax Component--
Gross Total Amount--
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Frequently Asked Questions
Common questions on calculations, industry standards, and seller profit optimization.
How do you extract 18% GST from MRP?
Divide the MRP by 1.18 to find the base taxable price. The remaining difference is the 18% GST.
What is the reverse GST formula for MRP?
Base Price = MRP ÷ (1 + GST Rate / 100). For an item sold at ₹1,180 with 18% GST: Base = ₹1,180 ÷ 1.18 = ₹1,000, and GST is ₹180.
Is GST included in customer listing prices on marketplaces?
Yes, in Indian e-commerce, consumer protection laws mandate that all listed selling prices and MRPs must be inclusive of all taxes.