Tax calculator
GST Calculator 2025
Calculate GST-inclusive or GST-exclusive pricing with taxable value, GST split, and Smart Insights.
GST calculator inputs
GST result and chart
Smart GST insights
Guide
How this GST calculator works
Use exclusive mode when tax is added to a base price. Use inclusive mode when a final customer price already includes GST.
Use cases
- Prepare quotes and invoices.
- Recover taxable value from a final price.
- Compare pricing impact at different GST rates.
Tips
- Show taxable value and GST separately on invoices.
- Check the correct GST slab before billing.
- Round final prices carefully for customer-facing offers.
FAQ
GST calculator FAQs
GST is a goods and services tax applied to taxable goods or services.
Multiply the amount by the GST rate and add that tax amount to the base price.
Divide the final price by one plus the GST rate to estimate taxable value.
No. It is an informational calculator for pricing and invoice planning.