Boat Loan Calculator
Calculate your monthly boat loan payment including sales tax, trade-in, and down payment. See total interest cost and amortization for marine financing from 2 to 20 years.
Monthly Boat Payment
$536/mo
Loan Amount
$26,750
Total Interest
$5,411
Total Paid
$32,161
Sales Tax
$1,750
Amortization Schedule (First 12 Months)
| Month | Payment | Interest | Principal | Balance |
|---|---|---|---|---|
| 1 | $536 | $167 | $369 | $26,381 |
| 2 | $536 | $165 | $371 | $26,010 |
| 3 | $536 | $163 | $373 | $25,637 |
| 4 | $536 | $160 | $376 | $25,261 |
| 5 | $536 | $158 | $378 | $24,883 |
| 6 | $536 | $156 | $380 | $24,502 |
| 7 | $536 | $153 | $383 | $24,119 |
| 8 | $536 | $151 | $385 | $23,734 |
| 9 | $536 | $148 | $388 | $23,346 |
| 10 | $536 | $146 | $390 | $22,956 |
| 11 | $536 | $143 | $393 | $22,564 |
| 12 | $536 | $141 | $395 | $22,169 |
๐ก How to Use the Boat Loan Calculator
How to Calculate Boat Loan Payments
Boat loans work like auto loans โ they use the same standard amortization formula (PMT). However, boat financing has some key differences: longer terms (up to 20 years) for larger vessels, higher interest rates, and significant additional ownership costs.
Step-by-Step Boat Loan Calculation
- Determine the loan amount โ boat price + accessories + trailer + taxes โ trade-in โ down payment
- Find the interest rate โ typically 6%โ9% for new boats, 8%โ12% for used. Credit score matters significantly.
- Choose the loan term โ 2โ7 years for boats under $25,000; up to 15โ20 years for boats over $100,000
- Calculate with the PMT formula โ or use the calculator above
- Budget for ownership costs โ see below
The True Cost of Boat Ownership
The boat loan payment is just the start. The "10% Rule" estimates annual ownership costs at ~10% of the boat's value:
| Cost | Annual Estimate |
|---|---|
| Insurance | $300โ$1,000+ |
| Storage/Marina Slip | $1,200โ$6,000 |
| Fuel | $500โ$3,000 |
| Maintenance & Repairs | $500โ$2,000 |
| Winterization | $200โ$500 |
| Registration & License | $50โ$300 |
| Safety Equipment | $100โ$500 (initial) |
Worked Example
$25,000 boat, 7% tax, $2,500 down, 7.5% APR, 60 months:
- With tax: $26,750 โ $2,500 = $24,250 loan
- Monthly payment: $486/mo
- Total interest: $4,919