Stamp duty & tax calculators
State-wise stamp duty and registration, GST, TDS and capital gains.
Stamp duty & tax 5 tools
Stamp duty and registration fee calculator (state-wise, 2026)
Stamp duty and registration fee on a flat or plot by state with the women-buyer concession: Uttar Pradesh, Delhi, Haryan…
GST on property calculator: under-construction vs ready to move
GST on an under-construction flat at 5% (1% for affordable housing up to ₹45 lakh and 60/90 sq m carpet), zero on ready …
TDS on property purchase calculator (Section 194-IA)
Buyer's TDS on a property costing ₹50 lakh or more: 1% of the full consideration (20% if the seller has no PAN), per-ins…
Capital gains tax calculator for selling a flat or plot
Long-term and short-term capital gains tax on selling property in India: 12.5% without indexation (or 20% with indexatio…
Property tax estimator (annual rental value method)
Estimate yearly municipal property tax on a house or shop using the annual rental value method used by UP Nagar Nigams s…
Why these calculators are different
- India-first rules: stamp duty per state with women-buyer concessions, bigha and biswa by region, GST on under-construction homes, section 194-IA TDS, post-2024 capital gains.
- Exact where others approximate: irregular plots use a diagonal and Heron\'s formula, not the average-of-sides shortcut.
- Every page shows its working: formula, assumptions, a worked example and the official source to verify against.
- Open API: every calculator answers at
/api/calc/{slug}?…as JSON, free to use with attribution.
Estimates for planning only; not financial, legal or tax advice.