Accounts calculators

4 free accounts calculators from the Chemistry Calculator Suite. Each one opens directly, with no login.

Income Tax Calculator (India)

Estimate income tax in India under the New Regime slabs for FY 2025-26 (AY 2026-27), with the ₹75,000 standard deduction for salaried people and pensioners, the §87A rebate and marginal relief.

GST Calculator

Add GST to a price, or take it out of a GST-inclusive price, at 5, 12, 18 or 28 per cent — with the CGST and SGST halves shown.

Discount Calculator

Find the final price after a percentage discount on the MRP, and how much you save.

Finance (EMI) Calculator

Calculate the monthly EMI on a loan from the amount borrowed, the annual interest rate and the number of months, with the total repaid and the total interest.