Debt Payment Budget Optimizer

When the emergency fund is more than $1,000 short of its goal, the calculator splits discretionary income roughly evenly between extra debt payments and building that cushion, rather than funneling every spare dollar into debt. This reflects the common financial guidance that having some emergency savings prevents a surprise expense from becoming new debt, even while a balance is still being paid down.

It models a single blended balance at one average APR across all debts, so it doesn't simulate which specific account gets extra payments first. In practice, directing extra payments toward the highest-rate balance first — commonly called the avalanche method — captures more of the interest savings this calculator estimates in total, even while using its recommended payment amount as the overall monthly target.

A value of -1 signals the recommended payment isn't even covering the monthly interest charge, so the balance would never shrink at that payment level — increasing income, cutting essential expenses, or reducing minimum debt payments through refinancing are the ways to make the numbers work.

The calculator runs two separate payoff simulations at the same average APR — one using the recommended payment amount and one using only the minimum payments — and reports the difference in total interest paid between them. It illustrates how much extra interest accrues simply by stretching a payoff out over minimum payments alone.