Complete Guide to TaxGST Free Online Calculators

TaxGST.in offers India's most comprehensive suite of 85+ free online tax, GST, investment, loan, banking, and utility calculators. Whether you're a salaried professional calculating income tax, a business owner computing GST liability, an investor planning SIP returns, or a student exploring loan EMIs, our tools provide instant, accurate results updated for the latest financial year 2026-27.

GST Tools for Businesses & Professionals

Our 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. The E-Way Bill Calculator determines E-Way Bill requirements, while the GST Interest Calculator computes interest on delayed GST payment. The GST Composition Scheme Calculator helps small businesses compare tax liability under composition vs regular scheme. The ITC Reversal Calculator handles input tax credit reversal calculations. Track all return due dates with the GST Return Due Date Tracker, check registration requirements with the GST Registration Eligibility checker, and generate compliant invoices with the GST Invoice Generator.

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 Capital Gain Tax Calculator handles LTCG and STCG on property, stocks, and mutual funds. The TDS Calculator helps you determine tax deduction at source for various payment types, while the TDS Rate Chart provides a comprehensive reference for all sections. Plan quarterly payments with the Advance Tax Calculator and compute additional tax with the Surcharge & Cess Calculator. Generate HRA proof with the Rent Receipt Generator. Calculate Tax Collected at Source with the TCS Calculator, state-wise professional tax with the Professional Tax Calculator, and maximize deductions with the Section 80C Deduction Planner. Understand your salary structure with the CTC Breakup Calculator, compute leave encashment with the Leave Encashment Calculator, and plan for capital gains with the LTCG Tax Calculator. For modern investors, the Crypto Tax Calculator handles the flat 30% tax on virtual digital assets, the Dividend Tax Calculator computes post-DDT dividend taxation, and the Tax Residency Calculator determines your residential status. The Surcharge Calculator, Form & Section Finder, PAN Validator, HUF Tax Calculator, and Section 89 Relief Calculator round out our comprehensive tax tool suite.

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. The Mutual Fund Overlap Checker analyses your portfolio to identify duplicate stock holdings across funds. 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 EPF Calculator projects your provident fund corpus, and the ELSS Calculator computes tax-saving mutual fund returns. Small savings schemes include the Atal Pension Yojana Calculator, Senior Citizens Savings Scheme Calculator, NSC Calculator, Kisan Vikas Patra Calculator, and Post Office MIS Calculator. The Gratuity Calculator estimates payout for long-serving employees. Analyze returns with the CAGR Calculator and Compound Interest Calculator, understand purchasing power with the Inflation Calculator, and track precious metal prices with the Gold Rate Calculator.

Loan & EMI Calculators

The Loan EMI Calculator computes monthly installments for any loan type with a complete amortization schedule. The EMI/Loan Prepayment Calculator shows how making extra payments can reduce your loan tenure and total interest outgo. Specialized calculators include the Home Loan EMI Calculator, Car Loan EMI Calculator, Personal Loan EMI Calculator, Education Loan EMI Calculator, and Business Loan EMI Calculator — each tailored with relevant parameters for the loan type. Evaluate refinancing options with the Loan Balance Transfer Calculator and early closure with the Loan Foreclosure Calculator. Government scheme benefits can be calculated with the PMAY Calculator for housing subsidy and the KCC Calculator for Kisan Credit Card limits.

Document Generators

Create professional documents instantly with our generators: Salary Slip Generator produces detailed payslips, Form 16 Generator creates TDS certificates, Proforma Invoice Generator drafts pre-sale invoices, and Income/Expense Statement Generator prepares financial summaries for ITR filing.

Banking Tools

Our banking tools provide instant access to critical banking information. The IFSC Code Search 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 Search helps you locate the magnetic ink character recognition code needed for cheque processing. The SWIFT Code Search provides international banking codes needed for wire transfers. The Bank Branch Locator helps you find nearby bank branches with complete address and contact information.

Utility Tools

Our utility tools handle everyday calculations: the Number to Words Converter converts numbers to text in Indian and international formats for cheques and invoices. The Stamp Duty Calculator computes state-wise stamp duty on property and agreements. The Depreciation Calculator handles SLM and WDV methods as per Companies Act and Income Tax Act. The Profit Margin Calculator and Break-Even Point Calculator help with business planning. The Age Calculator, Date Difference Calculator, and Discount Calculator handle everyday computation needs.

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