Free Indian tax & legal calculators
Every calculator and generator on India Law Simplified, in one place — 100% free, instant, no signup. Built for AY 2026-27 and the latest GST rules, with each result explained in plain English.
PAN / GST / IFSC Validator
Free PAN, GSTIN and IFSC validator for India — instantly check the format and (for GSTIN) the official checksum, and decode the state, PAN and holder type.
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Income Tax Act 2025 Section Finder (1961 → 2025)
Free Income Tax Act 2025 section finder — map old 1961 sections (80C, 87A, 115BAC, capital gains, TDS) to the new 2025 Act section numbers. In force from 1 April 2026.
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Old vs New Tax Regime Calculator
Free old vs new tax regime calculator for AY 2026-27 — enter your salary and full deductions (HRA, home-loan interest, 80C/80D, NPS) and see which regime saves you more.
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Crypto / VDA Tax Calculator
Free crypto tax calculator for India — 30% flat tax (+4% cess) on your gains from Bitcoin, Ethereum and other VDAs, plus the 1% TDS on transfers.
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Capital Gains Tax Calculator
Free capital gains tax calculator for India (post-July-2024 rules) — work out LTCG/STCG on shares, mutual funds and property, with the ₹1.25 lakh equity exemption.
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GST & Income-Tax Notice Decoder
Free tool — pick your GST or income-tax notice (DRC-01, GSTR-3A, ASMT-10, 143(1), 148 …) and instantly see what it means, how serious it is, your deadline and what to do.
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Do I Need GST Registration?
Free interactive checker — answer a few questions and find out whether GST registration is mandatory for your business, or optional.
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Which ITR Form Should I File?
Free interactive tool — answer a few questions and find the exact income tax return form (ITR-1, 2, 3 or 4) you should file for AY 2026-27.
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Take-Home Salary Calculator
Free take-home (in-hand) salary calculator for India — turn your CTC into monthly in-hand pay after PF and new-regime income tax for AY 2026-27.
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Advance Tax Calculator
Free advance tax calculator for India — see the § 211 instalment schedule (15%, 45%, 75%, 100%) and how much to pay by each due date.
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HRA Exemption Calculator
Free HRA exemption calculator for India — find your tax-exempt House Rent Allowance under Section 10(13A).
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Gratuity Calculator
Free gratuity calculator for India under the Payment of Gratuity Act 1972 — estimate your gratuity in seconds.
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Rent Receipt Generator
Free rent receipt generator for India — create a signable rent receipt to claim your HRA exemption.
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Income Tax Calculator
Free income tax calculator for AY 2026-27 (FY 2025-26) — compare the old and new regimes and see which saves you more.
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Reverse GST Calculator
Free reverse GST calculator for India — split a GST-inclusive price into the base amount and the GST component.
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NPS / Retirement Calculator
Free NPS and retirement corpus calculator for India — project your retirement savings from monthly contributions.
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Salary / CTC Breakup Calculator
Free salary / CTC breakup calculator for India — split your Cost-to-Company into basic, HRA, allowances, PF and in-hand.
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GST Calculator
Free GST calculator for India — add or remove GST at 5%, 12%, 18% or 28% and see the CGST/SGST split instantly.
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EMI Calculator
Free EMI calculator for India — work out the monthly EMI, total interest and total payment on a home, car or personal loan.
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SIP Calculator
Free SIP calculator for India — estimate the future value of your monthly mutual-fund SIP and the wealth gained.
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FD Calculator
Free fixed deposit (FD) calculator for India — estimate your maturity amount and interest with quarterly compounding.
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PPF Calculator
Free PPF calculator for India — estimate your Public Provident Fund maturity after 15 years with annual compounding.
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ITR Late Fee Calculator
Free ITR late fee calculator for India — work out your Section 234F late fee and Section 234A interest if you file your income-tax return after the due date.
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TDS Interest Calculator
Free TDS interest & late-fee calculator for India — estimate Section 201(1A) interest on late TDS deposit and the Section 234E late-filing fee.
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Stamp Duty Calculator
Free stamp duty & registration charges calculator for India — estimate the stamp duty and registration fee on a property purchase by state.
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Tax-Saving Calculator (Old vs New Regime)
Free tax-saving calculator for India (AY 2026-27) — compare the old and new regime, see the better one, and how much more you could save by maxing your deductions.
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Full & Final Settlement Calculator
Free full and final (F&F) settlement calculator for India — estimate your pending salary, leave encashment, gratuity and notice-pay recovery when you leave a job.
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GST Late Fee Calculator
Free GST late fee & interest calculator for India — estimate the Section 47 late fee and 18% Section 50 interest for filing GSTR-1 or GSTR-3B late.
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Capital Gains Calculator
Free capital gains calculator for India — estimate short-term and long-term capital gains tax on shares, mutual funds and property for AY 2026-27.
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HSN / SAC Code Finder
Free HSN & SAC code finder for India — search a product or service to find its HSN/SAC code and GST rate for invoicing and GST returns.
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Form 16 to ITR Parser
Free Form 16 reader for India — upload your Form 16 and auto-extract salary, TDS and deductions to help you file your ITR for AY 2026-27.
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GST Return Validator
Free GST return validator for India — check your GSTR-3B output tax, ITC and cash payment add up before you file, and flag short payments.
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GSTR-2B Reconciliation Tool
Free GSTR-2B reconciliation helper for India — match your purchase register against GSTR-2B to claim the right input tax credit and avoid ITC reversals.
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Freelancer 44ADA Tax Calculator
Free 44ADA presumptive tax calculator for Indian freelancers and professionals — declare 50% of your receipts as income, with no books and no audit, and see your tax under the new regime.
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EPF Maturity Calculator
Free EPF calculator to project your Employees' Provident Fund corpus at retirement from your Basic + DA, years of service, interest rate and expected salary growth.
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Dividend Income Tax Calculator
Free dividend tax calculator for India — dividends are taxed at your slab rate, and the company deducts 10% TDS once your yearly dividend crosses ₹10,000. See the tax and net amount.
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80G Donation Deduction Calculator
Free section 80G calculator — find how much of your donation is deductible, with the 50%/100% rates, the ₹2,000 cash limit and the 10%-of-income qualifying limit.
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TDS Rate Finder (FY 2025-26)
Free TDS rate finder for FY 2025-26 — search any section (194C, 194J, 194I, 194H…) or type of payment to see the TDS rate and the threshold below which no tax is deducted.
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Leave Encashment Exemption Calculator
Free leave-encashment calculator — find the tax-free amount on leave encashed at retirement under section 10(10AA), with the ₹25 lakh cap and the least-of-four rule.
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Salary TDS Projection Calculator
Free salary TDS calculator — project how much TDS your employer should deduct each month for the rest of the financial year, and check whether your deductions are on track.
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Rent Agreement Stamp Duty Calculator
Free rent-agreement stamp duty calculator — estimate the stamp duty and registration cost of a leave-and-licence agreement by state, including the Maharashtra 0.25% basis.
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Section 89 Arrears Relief Calculator (Form 10E)
Free section 89(1) relief calculator — estimate the tax relief on salary arrears received this year that relate to an earlier year, and understand the mandatory Form 10E.
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Loan Prepayment Calculator
Free loan prepayment calculator — see how a one-time part-prepayment on your home or personal loan shortens the tenure and how much total interest you save.
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CAGR Calculator
Free CAGR calculator — find the compound annual growth rate and absolute return on any lump-sum investment, and compare investments held for different periods fairly.
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Loss Set-off & Carry-Forward Rules
Free reference for Indian loss set-off and carry-forward rules — how long each type of loss can be carried forward, what it can be set off against, and the filing deadline that protects it.
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§234A / 234B / 234C Interest Calculator
Free 234A/234B/234C interest calculator — work out the 1%-per-month interest for filing your ITR late, paying less than 90% advance tax, or deferring an instalment.
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Professional Tax Calculator (by State)
Free professional tax calculator — see the monthly and yearly professional tax for your salary in Maharashtra, Karnataka, West Bengal, Telangana and more, with the ₹2,500 cap.
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Old vs New Regime Calculator (with HRA)
Free old vs new tax regime calculator that includes HRA — most comparisons ignore house rent allowance, which is often what decides the answer for salaried renters.
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📰 Read the guides · ❓ Q&A · 📖 Glossary
Estimates for general understanding, not professional advice. Verify with a licensed CA or advocate before acting.