The useful question is not just tax payable, but which regime fits your income pattern better
An income-tax calculator should not stop at a single payable number. For many Indian salaried users, the real decision is whether deductions, HRA, home-loan interest, or investment behaviour still make the old regime worthwhile compared with the cleaner new regime structure.
This page helps you estimate tax under both regimes, compare likely outcomes, and understand where the difference is coming from before you make salary-structure or deduction decisions.
Best use case for this page
Use it when you need to compare regimes, sanity-check TDS, or decide whether deductions are still pulling enough weight to justify the old regime.
What this calculator is and is not
It is an annual tax-estimation tool built for planning. It does not replace the final numbers on your return, AIS, Form 16, or employer payroll system.
Old vs new regime at a glance
| Point | Old regime | New regime |
|---|---|---|
| Best fit | When deductions materially reduce taxable income | When deductions are low and the slab structure is cleaner |
| Inputs that matter most | 80C, 80D, HRA exemption, NPS | Income level and selected financial year |
| Decision style | More input-heavy but flexible | Simpler planning when deductions are limited |
Regime comparison and deduction logic
The calculator estimates taxable income under the regime paths it supports, then applies the relevant slab and rebate framing to produce a planning estimate. The main value is not the arithmetic itself, but seeing how deduction-sensitive the old-regime outcome is for your income pattern.
That means the result is only as good as the inputs. Incorrect deductions, omitted salary components, or special-income cases can move the final tax materially away from the simplified estimate.
Examples
Salaried employee with meaningful deductions
- Annual income: ₹15,00,000
- Scenario: Old regime considered because deductions and HRA matter
This scenario helps answer whether the extra paperwork of the old regime is still justified once the deductions are entered honestly.
Cleaner salary profile with fewer deductions
- Annual income: ₹10,00,000
- Scenario: New regime likely competitive due to low deduction profile
This helps when the decision is less about maximizing deductions and more about using the simpler regime without losing much.
What this page helps you check
- Estimates income-tax liability under old and new regimes using the inputs you provide.
- Makes deduction-sensitive comparisons easier instead of showing only one tax number.
- Supports salary-planning decisions such as how tax choice affects take-home and TDS expectations.
Common mistakes
- Choosing a regime from the slab chart alone without entering actual deductions.
- Using a tax estimate as a substitute for payroll reconciliation or final return filing.
- Ignoring salary-structure context such as HRA or TDS when comparing regimes.
Edge cases and limitations
- Capital gains, business income, and other special tax situations can require treatment outside a simplified salary-focused estimate.
- Annual tax policy and practical payroll behaviour can diverge, so planning output should still be checked against current official guidance.
Methodology and review basis
Built and reviewed by Atul Sharma • Last updated 2026-04-04
This calculator estimates Indian income tax under old and new regime paths using the user's income and deduction inputs. It is built to support comparison and planning, especially for salaried users, rather than to replace final tax filing workflows.
Sources used for this page
- Official Indian income-tax slab and rebate framing
- Common salaried-user deduction and regime-comparison logic
Site-wide review standards live in the review methodology and sources policy.
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Questions that come up before filing or drafting
- Should I always choose the new regime because the rates look simpler?
- Not necessarily. The better choice depends on whether your real deductions and exemptions still create a meaningful old-regime advantage.
- Can this calculator replace my final tax filing?
- No. It is a planning tool. Final return filing and supporting records still govern your actual tax outcome.
- Why should I use this alongside the salary calculator?
- Because tax payable and monthly take-home are linked. Comparing both pages helps you see whether a regime choice changes in-hand salary meaningfully.
- Does it calculate TDS exactly?
- It helps you estimate the annual tax picture. Employer TDS schedules can still differ based on payroll timing and assumptions.
- When is the old regime still worth checking?
- When HRA, investment deductions, home-loan interest, or other eligible deductions are meaningful enough to offset the simpler new-regime structure.