Free, accurate calculators built by practising Chartered Accountants — updated for FY 2025-26. No sign-up needed.
Find the exact House Rent Allowance exemption you can claim under Section 10(13A).
Estimate your advance-tax liability and the four instalment due dates for FY 2025-26 (New Regime).
Calculate the late fee and 18% interest for a delayed GSTR-3B or GSTR-1 filing.
Calculate the gratuity payable on retirement or resignation under the Payment of Gratuity Act.
Work out your presumptive income under Section 44AD (business) or 44ADA (professionals).