Tools and calculators
Updated for the Income-tax Act, 2025. Every tool shows its formula, assumptions and the date its rules were last checked. Calculations run in your browser.
Tax calculators
- Income Tax CalculatorCompare the new and old regimes for Tax Year 2026-27 or FY 2025-26.Old vs new regime with rebate, marginal relief, surcharge and cess.
- HRA Exemption CalculatorWork out the tax-exempt part of your house rent allowance.Includes the eight 50% cities notified for Tax Year 2026-27.
- Salary Restructuring & Regime Break-evenFind the deduction level at which the old regime beats the new one.Break-even deductions for your salary, with the regime difference.
- GST CalculatorAdd or remove GST, with CGST/SGST or IGST split.Updated for the GST 2.0 rate structure.
Business tools
- Loan EMI CalculatorEMI, total interest and a downloadable repayment schedule.With prepayment comparison and CSV schedule.
- Business Registration WizardAnswer ten questions to see a suggested structure and the registrations you are likely to need.Transparent rules, not a black-box score.
- Business Structure ComparisonCompare Pvt Ltd, OPC, LLP, partnership and proprietorship side by side.Liability, funding, compliance, audit and tax.
- Startup Finance ToolkitValuation, profitability, unit economics and runway in one place.Four quick models for founders.
Compliance calendars
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