Goods and Services Tax in India is often quoted as a rate on top of taxable value, or embedded in an MRP-style inclusive price.
Flip between exclusive and inclusive modes here to avoid mental algebra while invoicing or checking bills.
GST Calculator — key points
- Exclusive → add GST
- Inclusive → extract base
- Preset rates 5/12/18/28%
- Pie of base vs tax
Practical uses
Small businesses and freelancers can double-check line items before issuing drafts.
- Does not handle multi-slab invoices or composition schemes.
- Inter-state IGST vs CGST+SGST split not shown—only aggregate GST amount.
Core relationships
If exclusive: GST = Base × (rate / 100), Total = Base + GST If inclusive: Base = Total ÷ (1 + rate / 100), GST = Total − Base.
Symbols
- Base — Taxable value before GST.
- rate — Combined GST % relevant to your supply.
Compliance
HSN/SAC, place of supply, and e-invoicing rules remain outside this page.
Benefits
- Fast sanity checks on quotes.
- Reduces arithmetic mistakes on simple supplies.
Frequently asked questions
- Reverse charge?
- Not modelled—seek GST practitioner guidance.
- Input tax credit?
- This calculator does not track ledgers.
Profitspire Hub publishes educational calculators only. Rates, slabs, and rules change—confirm with fund houses, banks, government notifications, or a qualified professional before acting.