Old vs New Tax Regime: How to Compare
To compare the old and new tax regime, calculate taxable income under both systems using the same salary, deductions, exemptions, and eligible investments. The new regime is simpler with fewer deductions, while the old regime may work better when HRA, 80C, 80D, NPS, home loan interest, and other eligible deductions materially reduce taxable income.
Quick summary
- Do not choose a regime from gross salary alone.
- Compare after standard deduction, HRA, 80C, 80D, NPS, and home loan impact.
- Use the same financial year rules for both calculations.
What changes between regimes
The old regime allows several deductions and exemptions. The new regime is designed to be simpler and usually limits many of those benefits. The right answer depends on your salary structure and eligible deductions.
Tax law changes by year, so compare using the financial year you are filing for rather than old screenshots or last year's calculator.
Inputs needed for a reliable comparison
Collect annual CTC, basic salary, HRA, rent paid, city, employer PF, 80C investments, 80D insurance premium, NPS, home loan interest, and any other eligible deductions.
If you are salaried and freelance on the side, include non-salary income carefully because advance tax and ITR form choice may also matter.
When to ask a professional
Ask a CA when you have capital gains, foreign assets, business income, RSUs, ESOPs, multiple employers, or uncertain deductions. A regime calculator helps, but complex facts need review.
Example: salaried user at INR 18 LPA
A salaried user with INR 18,00,000 CTC, rent in Mumbai, employer PF, INR 1,50,000 80C investments, health insurance, and NPS should compare both regimes after all eligible deductions. A user with few deductions may find the new regime simpler, while a user with strong deductions may prefer the old regime.
Common mistakes
- Comparing regimes using CTC instead of taxable income.
- Forgetting employer PF already contributes toward 80C-style planning.
- Using old financial year slab assumptions.
- Ignoring income outside salary.
Compare tax regimes from your real profile
StackBooks personal tax workflows are designed to collect salary, rent, deductions, and investments before comparing regimes.
Open regime calculatorFAQ
Is the new tax regime always better?
No. It depends on your deductions, salary structure, and financial year. Compare both rather than assuming.
Can salaried users choose the regime every year?
Many salaried users can compare annually, but specific rules can vary by income type and year. Confirm before filing.
Does HRA matter in the new regime?
Many deductions and exemptions available in the old regime are restricted in the new regime. Review the current year rules.
Should I invest only to save tax?
No. Tax benefit is one input. Liquidity, risk, lock-in, and financial goals matter too.
What documents help with regime comparison?
Salary structure, Form 16, rent receipts, investment proofs, insurance receipts, NPS details, and home loan certificates.
Sources
Disclaimer: This article is educational content for Indian readers and does not constitute tax, legal, accounting, or investment advice. Confirm current rules with official sources or a qualified professional before filing or making compliance decisions.