Debt Payoff Calculator India — Avalanche vs Snowball Strategy
Plan your debt-free journey with avalanche (highest rate first) and snowball (smallest balance first) strategies. Add up to 5 debts — credit card, personal loan, home loan, car loan, gold loan. See your debt-free date, total interest saved, and which debt to attack first. Based on RBI credit card minimum payment rules and FY 2025-26 Indian lending rates.
How to Use This Calculator
Debt Payoff Plan tab
Add your debts (up to 5) — select the type (credit card, personal loan, home loan, etc.) and enter the outstanding balance, interest rate, and monthly EMI or minimum payment. Add an extra monthly payment amount you can afford. The calculator compares two strategies: avalanche (highest interest first) and snowball (smallest balance first) — showing months to payoff, total interest, payoff order, and how much the extra payment saves you.
Debt-Free Date tab
See exactly when you'll be debt-free under two scenarios: paying only minimums vs paying extra. The calculator shows your debt-free date (month and year), total interest paid in each scenario, and the months and money saved by the extra payment. It also breaks down each debt individually.
Which Debt First? tab
Enter your monthly income to see your debt-to-income (DTI) ratio and health status (healthy / stressed / danger). The calculator ranks your debts in both avalanche order (by interest rate) and snowball order (by balance), highlighting which debt to attack first under each strategy. A side-by-side cost comparison shows exactly how much avalanche saves vs snowball.
Share your result
Every input is encoded in the URL. Click Share to copy a link for your financial advisor, spouse, or to save your exact debt scenario for later.
The Formula
Debt payoff uses two core calculations — one for EMI-based loans (reducing balance) and one for credit card revolving debt (monthly compounding):
1. List all debts sorted by interest rate (highest first)
2. Pay minimum on all debts
3. Direct ALL extra payment to the highest-rate debt
4. When that debt hits £0, cascade its minimum to the next debt
5. Repeat until all debts are cleared
Snowball Strategy:
Same as above, but sort by balance (smallest first) instead of rate
Credit Card Interest (Monthly Compounding):
Interest = Outstanding Balance × (Annual Rate / 12 / 100)
Minimum Payment = max(5% of Balance, £100) — per RBI mandate
EMI Formula (Reducing Balance — for loans):
EMI = P × r × (1 + r)n / ((1 + r)n − 1)
Where: P = principal, r = monthly rate, n = total months
Debt-to-Income Ratio:
DTI = (Total Monthly Debt Payments / Gross Monthly Income) × 100
Healthy < 40% | Stressed 40–60% | Danger > 60%
The avalanche method is mathematically optimal — it always results in the least total interest paid. The snowball method may cost slightly more but provides faster emotional wins, which research shows improves follow-through for many borrowers.
Example
Priya — IT professional in Bengaluru, 3 debts totalling ₹9.5 lakh
Priya has a credit card balance of ₹1,50,000 (36% p.a.), a personal loan of ₹3,00,000 (14% p.a., EMI ₹7,152), and a car loan of ₹5,00,000 (9.5% p.a., EMI ₹10,511). Her monthly income is ₹80,000. She can put ₹5,000 extra towards debt each month.
Avalanche result: Pay credit card first (36%), then personal loan (14%), then car loan (9.5%). Debt-free ~2 years sooner than minimum-only. Saves over ₹1.5 lakh in interest.
Snowball result: Same order in this case (credit card also has the smallest balance). If the personal loan were ₹50,000 instead, snowball would target it first despite the lower rate.
Key insight: Priya's credit card at 36% costs ₹4,500/month in interest alone. Converting it to a personal loan at 14% would immediately save ₹2,750/month in interest.
Typical Indian Debt Rates — FY 2025-26
Debt type comparison — at a glance ▼
| Debt Type | Rate (p.a.) | Min Payment | Priority |
|---|---|---|---|
| Credit Card | 24–42% | 5% of balance (RBI) | Highest |
| Consumer Durable Loan | 12–24% | Fixed EMI | High |
| Personal Loan | 10–20% | Fixed EMI | High |
| Gold Loan | 7–15% | Interest-only or EMI | Medium |
| Car Loan | 8–12% | Fixed EMI | Medium |
| Education Loan | 8–12% | Fixed EMI | Low (tax benefit 80E) |
| Home Loan | 8.25–9.5% | Fixed EMI | Lowest (tax benefits 24 + 80C) |
FAQ
Snowball targets the debt with the smallest balance first. Same minimum-on-all approach, but extra goes to the smallest debt. This gives quicker "wins" as debts disappear faster, which research shows boosts motivation.
For most Indians with credit card debt at 24–42%, avalanche and snowball often agree (credit card tends to be both the smallest and highest-rate debt). When they diverge, avalanche saves more money but snowball may keep you more motivated.
- Consumer durable loans (12–24%) and personal loans (10–20%)
- Gold loans (7–15%) — especially if gold is at risk of auction
- Car loans (8–12%) — no tax benefit
- Education loans (8–12%) — interest is tax-deductible under Section 80E
- Home loans (8.25–9.5%) — lowest rate + tax benefits under Section 24 (interest up to ₹2L) and Section 80C (principal up to ₹1.5L)
Below 40%: Healthy — banks consider you creditworthy, manageable debt load.
40–60%: Stressed — you're overleveraged. Avoid new debt, focus on paying down existing loans.
>60%: Danger zone — debt is unsustainable. Risk of default, missed payments, and credit score damage.
Indian banks typically use 40–50% DTI as a hard cutoff for new loan approvals. For example, if your gross monthly income is ₹80,000, your total EMIs ideally should not exceed ₹32,000 (40%).
Credit card at 36%? Pay it off immediately — no investment consistently returns 36%.
Personal loan at 14%? Pay it off — equity markets average 12–14% long-term but with risk.
Home loan at 8.5%? This is debatable — equity SIPs may outperform 8.5% over 10+ years, plus you get tax benefits on home loan interest.
Recommended approach: First, clear all debt above 12%. Then, for debts below 10% with tax benefits (home loan, education loan), you can run SIP and EMI in parallel. Never invest in SIP while carrying credit card debt — the math doesn't work.