Complete Guide to TaxGST Free Online Calculators

TaxGST.in offers India's most comprehensive suite of 29+ free online tax, GST, investment, loan, and banking calculators. Whether you're a salaried professional calculating income tax, a business owner computing GST liability, or an investor planning SIP returns, our tools provide instant, accurate results updated for the latest financial year 2026-27.

Tax Calculators for Salaried Individuals & Businesses

Our Income Tax Calculator lets you compute tax under both the old and new tax regimes, helping you choose the one that saves maximum tax. The Old vs New Tax Regime Comparator provides a side-by-side comparison so you can see exactly how much you save. For those claiming house rent exemption, the HRA Calculator computes the exemption under Section 10(13A) considering actual rent paid, basic salary, and HRA received. The TDS Calculator helps you determine tax deduction at source for various payment types including salary, rent, professional fees, and contractor payments. For employees leaving a job after 5+ years, the Gratuity Calculator estimates the payout under the Payment of Gratuity Act 1972.

GST Tools for Businesses & Professionals

The GST Calculator supports all GST 2.0 slabs — 0%, 0.25%, 3%, 5%, 18%, and 40% — and computes CGST, SGST for intra-state transactions and IGST for inter-state transactions. Use the Reverse GST Calculator to extract the base price from a GST-inclusive amount. The GST Late Fee Calculator estimates penalties and interest on delayed GSTR-1, GSTR-3B, and GSTR-9 filings. The GST Number Verification tool lets you verify any GSTIN in real-time, fetching complete taxpayer details, filing history, and business information. The HSN Code Finder helps identify correct HSN/SAC codes and applicable GST rates for goods and services.

Investment & Retirement Planning Calculators

Plan your wealth creation journey with our investment calculators. The SIP Calculator shows projected returns on monthly mutual fund SIP investments with year-wise growth breakdown. The Step-Up SIP Calculator models annual increment in your SIP amount. The SIP to Crorepati Calculator helps you determine the monthly SIP needed to reach Rs. 1 Crore. The SIP & SWP Calculator is a dual-purpose tool that computes both accumulation during working years and withdrawal during retirement. For tax-saving investments, the PPF Calculator projects 15-year maturity amounts under Section 80C, while the NPS Calculator estimates retirement corpus and monthly pension under Section 80CCD(1B). The Sukanya Samriddhi Calculator is designed for girl child savings under the SSY scheme. For fixed-income investors, the FD & RD Calculator compares maturity amounts across different banks and tenures. The Mutual Fund Overlap Checker analyses your portfolio to identify duplicate stock holdings across funds.

Loan & EMI Calculators

The Loan EMI Calculator computes monthly installments for home loans, car loans, and personal loans, with a complete amortization schedule showing principal and interest breakdown. The Loan Prepayment Calculator shows how making extra payments can reduce your loan tenure and total interest outgo. The Inflation Calculator helps you understand the future purchasing power of today's money, which is essential for long-term financial planning.

Banking Tools

Our banking tools provide instant access to critical banking information. The IFSC Code Finder gives you complete bank branch details from any 11-character IFSC code. The PIN Code Search provides post office, city, district, and state information for any PIN code in India. The MICR Code Finder helps you locate the magnetic ink character recognition code needed for cheque processing. The SWIFT/BIC Code Finder provides international banking codes needed for wire transfers. The Bank Branch Locator helps you find nearby bank branches with complete address and contact information.

Why TaxGST.in is Trusted by 10 Lakh+ Users

• Accurate Calculations: All formulas verified against government rules and RBI guidelines
• No Data Storage: Zero personal data collection — calculations happen entirely in your browser
• Instant Results: Real-time computation as you type — no waiting for server responses
• Latest Updates: Tax slabs, GST rates, and regime rules updated with every government notification
• Free Forever: No premium plans, no trial periods, no hidden costs whatsoever
• Mobile Optimized: Every tool works perfectly on smartphones and tablets