GST / Sales Tax Calculator
10 toolsAdd or remove tax from a price.
Runs in your browser — your files and text stay on your device
A complete calculator toolkit — percentage, BMI, loan EMI with amortization schedule, tip splitting, simple/compound interest, discount/markup, GST/sales tax, SIP investment growth, GPA/CGPA, and descriptive statistics. Instant results, nothing stored or sent anywhere.
PercentageBMI CalculatorLoan EMITip CalculatorSimple & Compound InterestDiscount / Markup CalculatorGST / Sales Tax CalculatorSIP / Investment CalculatorGPA / CGPA CalculatorMean / Median / Std. Deviation
Base amount
1,000
Tax amount
180
Total
1,180
How to use this tool
- 1Choose Add tax or Remove tax.
- 2Enter the amount and tax rate (e.g. GST, VAT, sales tax).
- 3See the base, tax, and total update instantly.
Frequently asked questions
What's the difference between add and remove?
Add tax takes a pre-tax amount and adds tax on top. Remove tax takes a tax-inclusive amount and works backward to find the base.
Does this work for any tax rate, not just GST?
Yes — enter any percentage for VAT, sales tax, or GST in any country.