15 free calculators verified against the Income Tax Act, 1961 and Income Tax Act, 2025. No spam emails, no signups required, no hidden assumptions. Every formula transparent and explained.
Click any calculator to start. All work without signup. Free forever.
Calculate tax under both regimes with all 5 income heads — salary, business, capital gains, house property, other sources
Calculate Section 10(13A) HRA exemption with proper 3-way minimum logic. Works for metro and non-metro cities.
Break down your CTC into Basic, HRA, PF, Special Allowance, and calculate in-hand salary after tax under both regimes.
STCG / LTCG calculator for equity, mutual funds, property, gold, and crypto. Handles July 2024 LTCG rule change.
Quarterly advance tax schedule with Section 234B and 234C interest calculation. Senior citizen and 44AD/ADA exemption supported.
TDS rates for 20+ sections (192-206AA) with threshold limits. PAN/no-PAN scenarios, resident/NRI rates.
GST 2.0 ready — 4-slab structure (0/5/18/40%) effective 22 Sept 2025. Inclusive/Exclusive, CGST/SGST split.
NPS with Vatsalya for minors, 14% employer contribution limit (Apr 2026), Section 124 IT Act 2025. ₹13.7L tax-free in new regime.
15-year PPF with optional 5-year extensions, Section 80C deduction, current 7.1% rate. EEE tax-free.
Section 10(10) ₹20L exemption with Payment of Gratuity Act 1972 + IR Code 2020. Covered/non-covered formulas.
Tax-aware step-up SIP with LTCG impact, inflation-adjusted real value, and post-retirement SWP preview.
Home/Car/Personal loan EMI with Section 24(b) + 80C tax savings, prepayment impact, and full amortization schedule.
Section 47 late fee + Section 50 interest @18% calculator. GSTR-1, GSTR-3B, GSTR-9, GSTR-10. Turnover-based caps, QRMP due dates, 3-year filing bar.
Presumptive tax for doctors, lawyers, CAs, IT consultants, freelancers. ₹75L limit (95% digital), 50% deemed profit, ITR-4 filing.
Calculate break-even units, revenue, contribution margin, margin of safety, time-to-BE in days. Industry benchmarks for 8 sectors. CA-built.
Every calculator is built and verified by Prabhakar Kumar, a practicing Chartered Accountant (ICAI Nov 2019). Not built by random developers.
All formulas verified against the Income Tax Act, 1961 (FY 2025-26) and Income Tax Act, 2025 (Tax Year 2026-27 onwards). Updated for Budget 2026.
Calculations happen entirely in your browser. We don't collect, store, or share your financial inputs. Zero data on our servers.
Every calculator shows the breakdown — sections referenced, exact computation logic, and underlying assumptions. No black box.
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