CD Early Withdrawal Penalty Calculator \

How CD Early Withdrawal Penalties Work

Banks express early withdrawal penalties as a number of months of interest. A common structure is 90 days of interest for CDs under 12 months and 180 days for longer terms, though every bank sets its own schedule. The penalty is deducted from accrued interest first. If accrued interest is not enough, the remainder comes out of your principal.

The math is straightforward: penalty = (annual interest / 12) × penalty months. On a $10,000 CD at an illustrative 4.50% APY with a six-month penalty, the cost is roughly $225. If you break the CD after only four months, you have earned approximately $150 in interest — less than the $225 penalty — so the bank deducts the remaining $75 from your deposit and you receive $9,925.

Enter your bank's specific penalty terms in the calculator to see the precise impact on your balance.

Finding Your Breakeven Point

The breakeven point is the day your accrued interest equals the penalty amount. Before that date, breaking the CD costs you principal. After it, you keep some net interest even after paying the penalty. On a 12-month CD with a 90-day penalty at an illustrative 4.50% APY, breakeven falls around day 90 — meaning any withdrawal in the first three months dips into your deposit.

Knowing the breakeven date is especially valuable when a higher-rate opportunity appears. The real question is whether the net gain from reinvesting at the new rate, minus the penalty, exceeds what staying in the current CD would have earned. The should-I-break-my-CD calculator models that comparison directly.

Use the calculator above with your CD's actual terms — the penalty structure varies enough across banks that generic estimates can be misleading. Knowing the exact breakeven date also helps you time a decision rather than acting on impulse when a better rate appears.

Penalty structures vary by institution. Enter your bank's specific terms for an accurate result.