Debt Payoff Planner
Compare snowball (smallest balance first) vs avalanche (highest interest first) with optional extra monthly payments and see payoff order and total interest.
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Debts
Balances, APRs, and minimums
Enter each liability. Minimums are paid first; the extra payment follows snowball or avalanche ordering.
Advanced mode
Show side-by-side interest and timeline differences between strategies.
Results
Payoff trajectory
Debt-free in
31 mo
≈ 2.6 years
Total interest (approx.)
LKR 2,083.89
Total paid (principal + interest)
LKR 14,583.89
Payoff order
Card A → Card B → Loan
Priority for extra payments
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Perspective
Strategy choice affects motivation and math
Avalanche usually minimizes interest paid; snowball can build momentum by clearing small balances first.
Extra payments accelerate both strategies — the ranking of which debts get the “snowflake” matters most.
FAQ
Common questions
Which strategy saves more interest?
Typically avalanche (highest APR first) minimizes total interest. Snowball may still be preferable for behavioral reasons.
Are minimum payments required?
Enter each debt’s minimum payment. The calculator applies your extra payment according to the selected strategy after minimums are met.
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