Tax & GST calculators
Compare the old and new income tax regimes, and work out GST in either direction.
Income tax calculator
FY 2026-27 (AY 2027-28) · Old vs new regime, side by side.
Your age
Old regime deductions
Regime comparison
Slab-wise tax
| Slab | Rate | Income in slab | Tax |
|---|
Tax at different incomes (your deductions)
How it’s calculated
New regime slabs: up to ₹4L nil · ₹4–8L 5% · ₹8–12L 10% · ₹12–16L 15% · ₹16–20L 20% · ₹20–24L 25% · above ₹24L 30%. Standard deduction ₹75,000. Rebate u/s 87A makes tax nil up to ₹12L taxable income, with marginal relief just above it.
Old regime slabs: up to ₹2.5L nil (₹3L for 60–79, ₹5L for 80+) · up to ₹5L 5% · ₹5–10L 20% · above ₹10L 30%. Standard deduction ₹50,000. Rebate up to ₹12,500 if taxable income ≤ ₹5L.
- Surcharge: 10% above ₹50L, 15% above ₹1Cr, 25% above ₹2Cr, 37% above ₹5Cr (new regime capped at 25%), with marginal relief.
- Health & education cess: 4% on tax + surcharge.
- Treats all “other income” at slab rates. Capital gains, special-rate income and employer NPS are not covered.
Budget 2026 kept these slabs unchanged. Last reviewed October 2026.
GST calculator
Add GST to a price, or pull GST out of a price that already includes it.
GST slabs (from 22 Sep 2025)
Type of sale
Tax split
How it’s calculated
- Within a state, GST is split equally into CGST and SGST (UTGST in union territories). Between states, it’s charged as IGST.
- Main slabs after GST 2.0: 5%, 18% and 40%, plus 0%, 3% (gold, silver) and 0.25% (rough diamonds). Check the HSN/SAC rate for your item.