Use the income-tax calculator when the question is annual tax outgo, and the salary calculator when the question is monthly impact.
Category
Tax calculators for income tax, GST, and salary-linked deductions
This cluster is for Indian tax decisions that show up repeatedly in real life: choosing the better tax regime, estimating GST, checking HRA effect, or understanding TDS and invoice workflows.
The calculators are built to expose assumptions and limitations rather than imply official filing status. Use these pages to prepare, compare, and sanity-check before you rely on a filing or a final document.
How to use this category well
These notes are here to help you choose the right page for the job instead of treating every tool as interchangeable.
Use the GST split calculator for taxable value, CGST/SGST, and IGST arithmetic; use the GSTIN validator before copying a GST number into an invoice or vendor workflow.
Use HRA-related pages only when rent and salary structure actually matter to the decision.
Tax Calculators
Open the right tool without digging through the full directory.
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Income Tax Calculator
Enter income and deductions to compare old vs new regime tax outcomes before payroll or investment decisions.
GST Calculator
Enter an amount and GST rate to calculate taxable value, GST amount, invoice total, and CGST/SGST or IGST split.
HRA Calculator
Enter salary, rent, and HRA details to estimate exemption under the old regime and see where the limit comes from.
TDS Calculator
Enter the payment scenario and amount to estimate likely TDS impact and avoid surprises in payout planning.
GSTIN Validator
Paste a GSTIN to catch format, state-code, PAN, and checksum mistakes before you verify status officially.
Guides to read before or after the tool
These pages add the workflow, comparison, or policy context behind the calculators and generators in this cluster.
Related links
Questions people usually ask in this cluster
- What is the fastest route for old-vs-new regime planning?
- Read the regime guide first, then test the same income and deduction scenario inside the income-tax calculator before trusting the result.
- What should I use for GST document work?
- Use the GST rates guide for slab context, the GST split calculator for values, the GSTIN validator for local format checks, and the GST invoice generator when you need a draft document.