Free tax + business calculators
Calculate income tax, GST, HRA, EMI, salary take-home, and more. 100% private, runs in your browser, no login.
Tax calculators
Indian tax rules are complex. These tools apply the latest slabs and deductions.
Income Tax Calculator (FY 2025-26)
Compare Old vs New regime tax for FY 2025-26. See your tax liability, take-home, and effective rate. Includes 80C, 80D, 80CCD(1B), HRA, and home loan deductions.
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GST Late Fee + Interest Calculator
Calculate GST late fee (₹50/day or ₹20/day for nil returns, capped at ₹10K) and 18% p.a. interest for GSTR-1, GSTR-3B, or GSTR-9.
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HRA Exemption Calculator
Calculate how much HRA is exempt from tax. The exemption is the lowest of: actual HRA, 50% (metro) or 40% (non-metro) of basic, or rent paid minus 10% of basic.
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TDS on Salary Calculator
Quick estimate of TDS (tax deducted at source) on your salary. Choose Old or New regime, see monthly and annual TDS, and effective tax rate.
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Salary calculators
See exactly what you take home — and what your employer pays for you.
Salary Calculator (CTC vs In-hand)
See your monthly take-home from your CTC. Includes Basic, HRA, Special allowance, Employer PF, Employee PF, Gratuity, and Professional Tax.
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Gratuity Calculator
Calculate your gratuity payout. Formula: (Last drawn salary × Years of service × 15) / 26. Capped at ₹20 lakh as per the Payment of Gratuity Act.
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Business calculators
From loan EMIs to company registration costs — tools for new founders.
EMI Calculator (Business Loan)
Calculate your monthly EMI for any business loan. See total interest paid, total payment, and the interest-to-principal ratio over the loan tenure.
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Company Registration Cost Calculator
See the total cost to register a Pvt Ltd, LLP, or OPC in India. Includes government fees (state fee, stamp duty, name approval, DSC, DIN) and our professional fee.
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Why use CorporateWalla calculators?
CA-reviewed
Every formula is reviewed by CA Deepak Jaiswal (15+ years of practice). Updated for the latest FY.
100% private
Calculations happen in your browser. We don't see, store, or share your numbers.
Frictionless
No login. No popups. No "subscribe to see your result". Just the answer.
Calculated your tax? Now file your ITR.
From ₹999, CA-reviewed ITR filing. Done in 48 hours, with refund tracking.