Tax
Understand taxable-income inputs, income-tax calculations and GST arithmetic while keeping calculator assumptions clear.
Income tax
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New Tax Regime Slabs for Tax Year 2026–27: Calculation Explained
New Tax Regime slab calculation for Tax Year 2026–27, including progressive rates, resident-individual relief, cess and calculator limits.
9 min read
Guide
Section 87A to Section 156: Tax Rebate for Tax Year 2026–27
How the Tax Year 2026–27 resident-individual rebate, ₹60,000 cap and marginal relief work for supported new-regime ordinary income.
8 min read
Guide
Gross Income vs Taxable Income: What Goes Into a Tax Calculator
Why gross salary, gross income and the taxable ordinary income expected by a tax calculator are not interchangeable figures.
6 min read
Guide
Health & Education Cess: How the 4% Cess Is Calculated
Health & Education Cess is 4% of income tax plus applicable surcharge, after relevant rebate or relief. See a Tax Year 2026–27 example.
6 min read
Guide
Why an Income Tax Calculator May Differ From Payroll TDS
Why an annual income-tax estimate may differ from employer TDS shown on a payslip during the financial year.
7 min read
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GST Explained: Base Amount, Tax and Total Price
Understand GST-exclusive and GST-inclusive arithmetic, selected rates, tax components, invoice totals and calculator limits.
7 min read
Guide
How to Remove GST From an Inclusive Price
Recover the taxable base and GST portion from an inclusive amount using the GST calculator's reverse-GST arithmetic.
6 min read
Guide
Why a GST Calculator May Differ From an Invoice
Understand why selected rates, taxable-value rules, line items, rounding and invoice-specific adjustments can produce different GST amounts.
6 min read