SmartTaxCalc

What it does

Free Indian tax & finance calculators for FY 2026-27 (AY 2026-27). Old vs New Regime, HRA, Advance Tax, NPS, NRI residency (182/120-day), DTAA (US/UK/Canada), RSU vesting, FIRE, and 30+ more. • All tax formulas CA-reviewed • No signup, no login • Privacy-first — everything runs client-side in your browser • 100% free Built in Surat, India.

SmartTaxCalc: free India Income Tax Calculator FY 2026-27. Old vs New regime, Section 87A up to Rs 12L, HRA + 80C. 38 CA-reviewed tools. No signup.

The interactive Old vs New regime calculator runs entirely in your browser using WebAssembly — that's why your tax inputs never leave your device. Please enable JavaScript to use it, or read our pre-rendered guides below which work without JavaScript: Calculate your tax liability under both Old and New tax regimes for any financial year from FY 2015-16 to FY 2024-25. Get instant results with a detailed tax breakdown. The New Tax Regime under Section 115BAC of the Income Tax Act is the default tax regime for FY 2025-26 (AY 2026-27) onwards. It was significantly enhanced in Union Budget 2025 with new slabs, an expanded Section 87A rebate, and increased employer NPS deduction limits.…from smarttaxcalc.in

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