Home Loan Tax Benefit Calculator

See what your home loan actually saves you in tax, and what your effective interest rate becomes.

Total tax saved over the loan
₹19,74,066
at a 30% slab, under the old regime
Year 1 interest₹4,21,182
Deductible under 24(b)₹2,00,000
Principal eligible under 80C₹99,511
Year 1 tax saving₹93,448
Total interest paid₹54,13,879
Effective interest rate after tax5.4%

About the Home Loan Tax Benefit Calculator

Under the old tax regime a home loan carries two deductions. Section 24(b) allows up to ₹2 lakh a year of interest on a self-occupied property, and Section 80C allows the principal repaid within the overall ₹1.5 lakh ceiling — a ceiling your PF, insurance and ELSS are already competing for.

The effect is real but front-loaded: interest is highest in the early years, so the deduction is fully used then and tapers later. This calculator reports the total saving and, more usefully, the effective interest rate your loan carries after tax relief.

The formula

Tax saved = (interest capped at ₹2L + principal within the ₹1.5L 80C ceiling) × your slab rate × 1.04
24(b)Interest — ₹2 lakh cap on self-occupied, uncapped on let-out
80CPrincipal, sharing the ₹1.5 lakh limit with PF, ELSS and insurance
1.04Health and education cess

Available only under the old tax regime.

Things worth knowing

1
Under 80EEA, first-time buyers of affordable homes could claim an extra ₹1.5 lakh of interest — check whether your sanction date qualifies.
2
A joint loan with a co-owner who also has taxable income doubles both limits, since each claims separately.
3
For an under-construction property, pre-construction interest is claimed in five equal instalments once you take possession.

Frequently asked questions

Under the old regime, up to ₹2 lakh of interest under Section 24(b) and up to ₹1.5 lakh of principal under 80C. At a 30% slab that is roughly ₹1.09 lakh a year if both limits are fully used.

Not for a self-occupied property — neither the interest nor the principal is deductible. Interest on a let-out property remains deductible against the rental income even in the new regime.

Yes, where both are co-owners and co-borrowers and both service the loan. Each claims up to ₹2 lakh of interest and ₹1.5 lakh of principal in proportion to their share.

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