Prepayment Penalty Calculator

Calculate if paying off your loan early is worth the prepayment penalty

✔ Prepayment is Worth It!

You'll save $15,000 even after paying the penalty

Prepayment Penalty
$5,000
Fee for early payoff
Interest Savings
$85,000
By paying off early
Net Savings
$80,000
After penalty
ROI on Prepayment
32%
Return on investment

Penalty Calculation Methods

Percentage of Balance
Common: 1-5% of remaining balance
$5,000
Months of Interest
Typically 3-6 months interest
$4,062
Declining Penalty
Decreases each year (5%→0%)
$0
Flat Fee
Fixed amount regardless of balance
$3,000

Cost vs Savings Analysis

Net Savings $80,000
Penalty Cost $5,000
Interest Saved $85,000

Detailed Breakdown

Current Balance $250,000
Prepayment Amount $250,000
Remaining Interest (if kept) $150,000
Interest on Remaining Balance $65,000
Interest Savings $85,000
Prepayment Penalty -$5,000
NET BENEFIT $80,000

Break-Even Analysis

Break-Even Point
7 months
When savings exceed penalty
Monthly Interest Saved
$1,354
Per month after prepayment
Effective Interest Rate
6.8%
Including penalty cost

Penalty Expiration Timeline

Current
Year 5
Penalty Expires
Year 5
Year 0 Year 1 Year 2 Year 3 Year 4 Year 5

Prepayment Timing Scenarios

Prepay Now
$80,000
Net savings today
Partial Prepayment
$40,000
50% prepay, avoid penalty

Year-by-Year Penalty Analysis

Year Penalty Rate Penalty Amount Interest Savings Net Benefit Recommendation

Prepayment Penalty Formulas

Percentage Method:
    Penalty = Balance x Penalty Rate
    Example: $250,000 x 2% = $5,000

Months of Interest:
    Penalty = Balance x (Annual Rate / 12) x Months
    Example: $250,000 x (6.5% / 12) x 3 = $4,062.50

Declining Penalty (Year-based):
    Year 1: 5% of balance
    Year 2: 4% of balance
    Year 3: 3% of balance
    Year 4: 2% of balance
    Year 5: 1% of balance
    Year 6+: No penalty

Interest Savings:
    Savings = Total Interest Remaining - Interest on New Balance
    Net Benefit = Interest Savings - Penalty Amount

Note: Check your loan agreement for the specific penalty terms. Some loans have soft prepayment penalties (only apply when refinancing) vs hard penalties (apply to any prepayment).

Understanding Prepayment Penalties

Why Do Lenders Charge Penalties?

Lenders expect to earn interest over the loan term. When you pay early, they lose this expected income. Prepayment penalties compensate them for this lost revenue and discourage refinancing during low-rate periods.

Types of Prepayment Penalties

Soft penalties only apply when refinancing with a different lender. Hard penalties apply to any prepayment, including selling your home. Always check your loan documents for specific terms.

Avoiding Prepayment Penalties

Some loans allow prepaying up to 20% annually without penalty. You can also wait until the penalty period expires (typically 3-5 years) or make extra principal payments within allowed limits.

When Prepayment Makes Sense

Prepaying is usually worth it when interest savings exceed the penalty, you're selling the home anyway, or you're refinancing to a significantly lower rate. Calculate the break-even point carefully.