Work out income tax old vs new regime instantly with clear inputs, formula shown and shareable results.
The old regime allows deductions against wider slabs; the new regime offers lower rates but almost no deductions. Applying both slab structures to the same income shows the break-even level of deductions at which one overtakes the other.
Regime comparison
Old: tax on (income - deductions - standard deduction); New: tax on (income - standard deduction), lower slab rates
Tax figures are estimates based on the rates, caps and thresholds you enter. Real rules differ by jurisdiction and change every year, and personal circumstances alter the outcome. This is not tax or financial advice — confirm with a qualified adviser.
Broadly, the more you claim the better the old regime looks. Below a moderate level of deductions the lower new-regime rates win.
Salaried taxpayers can usually switch annually; those with business income face stricter one-time rules.