Separate GST from an inclusive amount or add GST to a taxable base. Enter the assumptions you want to test, calculate the result, and download the calculation and inputs as CSV.
Enter your assumptions
Enter the legally applicable rate. This tool performs arithmetic only: it does not select HSN/SAC, place of supply, taxability, cess, reverse-charge treatment or input-tax-credit eligibility. Rounding is to two decimal places.
Your calculated scenario
Enter the legally applicable rate. This tool performs arithmetic only: it does not select HSN/SAC, place of supply, taxability, cess, reverse-charge treatment or input-tax-credit eligibility. Rounding is to two decimal places.
Calculation method#
Exclusive: GST = base × rate ÷ 100. Inclusive: base = total × 100 ÷ (100 + rate).
Assumptions and limits#
Enter the legally applicable rate. This tool performs arithmetic only: it does not select HSN/SAC, place of supply, taxability, cess, reverse-charge treatment or input-tax-credit eligibility. Rounding is to two decimal places.
For independent background, see the official CBIC invoice requirements. The result is a numerical illustration, not a quotation, tax filing or recommendation to buy a product. Check actual lender, product or transaction terms before making a decision.
Using the result#
Change one input at a time to understand its effect. Keep the calculation period and rate basis consistent. The downloadable CSV records your inputs so another person can review the same scenario. Changing an input clears the previous result until you calculate again.
Explore the other free business tools and calculators or contact SigmaTenders for business compliance support.