Enter your balance, interest rate, and monthly payment to see your payoff timeline and total interest cost. Adjust values to model the impact of extra payments.
Works for credit cards, personal loans, student debt, or any fixed-rate balance. Results appear instantly.
Three evidence-backed approaches that reduce total interest without requiring a higher income.
On a $12,400 balance at 19.9% APR, an extra $50/month cuts payoff time by 11 months and saves $1,340 in interest.
Paying half your monthly amount every two weeks results in 26 half-payments — equivalent to 13 full months per year instead of 12.
When one debt is cleared, roll its full payment toward the next balance. This is the core mechanic of both the Avalanche and Snowball methods.