Overview
A loan decision made without running the numbers first is a decision made with incomplete information — and on a 20-year home loan, the gap between an informed and uninformed borrower can run into lakhs of rupees. The five calculators below cover the loan types Indian borrowers deal with most: home loans, car loans, personal loans, full amortization schedules, and eligibility checks based on income and existing obligations.
Every tool here uses the reducing balance method mandated by RBI for EMI disclosure, which charges interest only on the outstanding principal rather than the original loan amount. Whether you're comparing rates from three banks before a home purchase, checking whether you qualify for the loan amount you need, or deciding how to deploy a bonus toward prepayment, these calculators turn a back-of-envelope guess into an exact figure.
What to Look For in a Loan Calculator
Accurate EMI formula with reducing balance method. The calculator must use EMI = P × r × (1+r)^n / ((1+r)^n − 1), not a flat-rate approximation that understates true borrowing cost. Reducing balance is the RBI-mandated standard for EMI disclosure in India.
Full amortization schedule available. A month-by-month table showing the principal and interest split of every EMI is essential both for understanding the real cost of early years and for documentation needed for tax deductions like Section 24(b).
Handles prepayment scenarios. The ability to model a lump-sum prepayment and see the resulting interest saved and tenure reduction — not just a recalculated EMI — is what makes a calculator useful for real financial planning rather than just a one-time quote check.
Eligibility check based on income and existing obligations. A genuinely useful eligibility tool factors in your existing EMI commitments against a FOIR cap, rather than just computing the maximum loan a given EMI could theoretically support in isolation.
Our Picks
Home Loan EMI Calculator
The Home Loan EMI Calculator is built for the Rs 20 lakh to Rs 2 crore range across 5 to 30-year tenures — covering the vast majority of Indian home loan borrowers. Enter the loan amount, rate, and tenure, and it returns the monthly EMI, total interest, and total repayment instantly, alongside a full amortization breakdown.
The standout feature is the month-by-month schedule, which reveals that 70-75% of each EMI in the early years goes toward interest rather than principal — the exact figure needed to claim the Section 24(b) home loan interest deduction (up to Rs 2 lakh per year for self-occupied property). Run it before every loan application and again whenever a lender quotes a revised rate.
Car Loan EMI Calculator
The Car Loan EMI Calculator is structured around the on-road price minus down payment, at rates typically between 8.5% and 12% for new cars over 3-7 year tenures. Financing Rs 8 lakh at 9.5% for 5 years produces an EMI of approximately Rs 16,768 — and the calculator lets you immediately see how a larger down payment or shorter tenure changes that number.
Because cars depreciate while you're still paying EMIs, this calculator is particularly useful for finding the tenure sweet spot where monthly affordability and total interest stay balanced, rather than simply choosing the longest tenure for the smallest EMI.
Personal Loan EMI Calculator
Personal loans in India carry rates of 14-24% per annum — substantially higher than secured loans — making the Personal Loan EMI Calculator especially valuable for comparing lender quotes before committing. On a Rs 5 lakh loan at 18% over 3 years, the EMI is Rs 18,076 with total interest of Rs 1,50,736 — 30% of the principal borrowed; at 14%, interest drops to Rs 1,15,512.
The calculator makes the EMI-versus-tenure tradeoff explicit: a shorter tenure raises the EMI but cuts total interest substantially, which matters most for a loan type where rates are already high.
Loan Amortization Calculator
The Loan Amortization Calculator generates a complete month-by-month schedule for any loan type — opening balance, EMI, interest component, principal component, and closing balance for every single month of the tenure. In month one of a Rs 40 lakh, 20-year loan at 8.5%, roughly Rs 28,333 of the Rs 34,713 EMI is interest and only Rs 6,380 reduces principal.
This level of detail is what makes early prepayment so valuable to understand precisely — and it's also the source document for Section 24(b) tax filing, since the interest component of each financial year's EMIs is exactly what the deduction is based on.
Loan Eligibility Calculator
The Loan Eligibility Calculator answers the question that matters before you even start comparing rates: how much can you actually borrow? It factors in your net monthly income, existing EMI obligations, and the lender's typical FOIR cap (40-50%) to compute the maximum additional EMI — and therefore loan amount — you're likely to qualify for.
If your net income is Rs 1 lakh per month and you already pay Rs 15,000 in existing EMIs, a 50% FOIR cap leaves Rs 35,000 in EMI capacity, which at a given rate and tenure translates into a specific maximum loan amount. Running this before approaching a bank avoids wasted time on applications likely to be rejected or scaled down.
How We Evaluated
Each calculator's EMI output was checked against the standard reducing-balance formula using known reference values, confirming exact agreement to the rupee for representative loan amounts, rates, and tenures. The amortization schedule was verified row by row for a Rs 40 lakh, 8.5%, 20-year loan to confirm the closing balance reaches exactly zero in the final month — a strong test of cumulative rounding accuracy across 240 rows.
The eligibility calculator's FOIR-based logic was checked against typical Indian lender criteria (40-50% FOIR caps) to confirm it correctly nets out existing obligations rather than ignoring them. All five tools require no sign-up, carry no rate limit, and produce mobile-friendly output suitable for reviewing on the spot during a bank visit.