Kitna tax? Find out in seconds.
India’s clean, free income-tax calculator. Compare the old and new regimes side by side — and let kitna.tax point you to the one that pays less.
Tell us a little. We’ll do the math.
Enter your income and any deductions you claim. kitna.tax computes both regimes live, including the Section 87A rebate, surcharge and 4% cess.
Your details
Nothing is saved or sent — it all runs on your device.
See the full breakdown ⌄
Everything else you came to find.
Old vs New Tax Regime
Which one wins for your salary and deductions — with break-even tables for FY 2025-26 & 2026-27.
Read the guide →Income Tax Slabs 2025-26 & 2026-27
Every slab, rebate, surcharge and cess for both regimes, by age band, in one place.
View the slabs →Income Tax on Salary
How much tax on ₹7L, ₹10L, ₹12L, ₹15L, ₹20L and beyond — a salary-wise table.
See the table →Section 44AD & 44ADA
Presumptive taxation explained — limits, rates, and legal optimization tips for business owners. AI consultation soon.
Read the guide →Why kitna.tax
Built to be the simplest, most honest free tax tool in India — with AI optimization on the way.
Our story →Three steps. No spreadsheets.
Enter your income
Add your gross income, pick your age band and tell us if you’re salaried. That’s the only required step.
Add deductions
List 80C, 80D, NPS, home-loan interest and HRA. We apply statutory caps automatically.
See your optimal regime
Both regimes computed instantly, with rebate, surcharge and 4% cess. We flag the cheaper one.
AI-powered tax, coming soon.
The calculator is just the start. We’re building an assistant that understands your full financial picture.
Ask-anything assistant
Describe your situation in plain language and get a precise answer with the working shown.
Auto-optimization
Tailored, legal suggestions on where to invest or restructure salary to lower your tax.
Document parsing
Upload Form 16 or salary slips and let kitna.tax fill everything in automatically.