The sample debts
Card A $4,200 at 22.9% (min $85), Card B $1,800 at 18.5% (min $40), Auto $9,600 at 6.4% (min $245). Extra $200. Monthly budget $570.
What you should see
Both methods finish in a few years. Avalanche interest is a bit lower than snowball. Both beat minimums-only by thousands. Exact months are on the result panel.
FAQ
Can I add a fourth debt?
Yes — Add a debt.
Type a problem on the calculator — it runs in this browser and nothing is uploaded.
Open the calculator — Debt Calculator