Resources & Calculators
15 calculators with their formulas, assumptions and applicable year stated on each page. All calculations run in your browser; nothing you enter is stored.
Income tax rates for FY 2026-27
Slab rates under the new and old regimes, rebate, surcharge and cess for individuals.
GST
GST Calculator
Add GST to a taxable value and split it into CGST and SGST, or IGST for inter-state supplies.
Rates in force from 22 September 2025GST Inclusive / Exclusive Calculator
Work out the taxable value and GST contained in a GST-inclusive price, or the inclusive price from a base price.
Rates in force from 22 September 2025GST Interest Calculator
Interest under section 50 of the CGST Act on GST paid after the due date.
CGST Act, 2017 — section 50GST Late Fee Calculator
Late fee for delayed GSTR-3B and GSTR-1, with the turnover-based caps notified under section 128.
Notifications 19/2021 and 20/2021–Central Tax (as amended)Income Tax
Income Tax Calculator
Tax on total income for an individual resident under the new and old regimes for FY 2026-27.
Tax year 2026-27 (FY 2026-27), Income-tax Act, 2025TDS Calculator
Tax to be deducted at source on common business payments to residents for FY 2026-27.
Tax year 2026-27 (FY 2026-27)Advance Tax Calculator
Instalments of advance tax due on 15 June, 15 September, 15 December and 15 March for FY 2026-27.
Tax year 2026-27 (FY 2026-27)Costing & Management
Break-even Analysis Calculator
Break-even point in units and sales value, P/V ratio and margin of safety.
Contribution Analysis Calculator
Contribution, P/V ratio, profit and the sales needed for a target profit.
Product Costing Calculator
Cost sheet from prime cost to cost of sales, cost per unit and an indicative selling price.
Business Finance
EMI Calculator
Equated monthly instalment, total interest and year-wise repayment schedule for a loan.
Business Loan Cost Calculator
EMI, total repayment and the effective annual cost of a business loan after processing fees.
Working Capital Calculator
Operating cycle, working capital requirement and the bank finance it may support.
Net Profit Calculator
Gross profit, EBITDA, profit before and after tax, with margins.
Cash Flow Projection Calculator
Month-by-month cash balance from expected receipts and payments, showing any funding gap.