Boat Loan Calculator
Calculate Boat Loan instantly — see monthly payments, total interest, and full amortization schedule.
Formula
M = P[r(1+r)^n]/[(1+r)^n-1]
Standard amortization formula. Boat loans typically have longer terms than auto loans, ranging from 5-20 years.
Worked Examples
Example 1: Standard Boat Financing
Problem:$50,000 boat, $10,000 down (20%), 7.5% APR for 10 years.
Solution:Loan amount: $50,000 - $10,000 = $40,000\n\nMonthly payment calculation:\nP = $40,000, r = 7.5%/12 = 0.625%, n = 120\nPMT = $40,000 × [0.00625(1.00625)^120] / [(1.00625)^120 - 1]\nPMT = $474.93/month\n\nTotal paid: $474.93 × 120 = $56,992\nTotal interest: $56,992 - $40,000 = $16,992\n\nCost breakdown:\nDown payment: $10,000\nPrincipal: $40,000\nInterest: $16,992\nTotal cost: $66,992
Result:$475/month | $16,992 total interest
Example 2: Impact of Loan Term
Problem:Same $40,000 loan at 7.5%. Compare 10-year vs 15-year term.
Solution:10-year term:\nPayment: $475/month\nTotal interest: $16,992\n\n15-year term:\nPayment: $371/month\nTotal interest: $26,780\n\nDifference:\nPayment: $104/month lower with 15-year\nInterest: $9,788 MORE with 15-year\n\nThe 15-year term saves $104/month but costs an extra $9,788 over the loan. If you can afford $475, take the shorter term.
Result:10-year saves $9,788 in interest
Example 3: Total Cost of Ownership
Problem:$75,000 boat, 20% down, 7% for 12 years. Calculate true cost including ownership expenses.
Solution:Financing:\nLoan: $60,000\nPayment: $595/month × 144 = $85,680\nInterest: $25,680\n\nAnnual ownership costs (10% rule):\nInsurance: $1,200/year\nStorage/slip: $3,000/year\nMaintenance: $1,500/year\nFuel: $1,500/year\nTotal annual: $7,200\n\n12-year ownership costs:\nDown payment: $15,000\nLoan payments: $85,680\nOperating (12 years): $86,400\nTotal: $187,080\n\nTrue cost is 2.5× the purchase price!
Result:$75K boat costs $187K over 12 years
Frequently Asked Questions
What are typical boat loan rates?
New boats: 5-8% APR. Used boats: 7-12%. Rates depend on credit score, loan amount (higher amounts often get better rates), and term. Marine lenders and credit unions often offer better rates than banks. Good credit (700+) is essential for best rates.
How long can I finance a boat?
Loan terms range from 2-20 years depending on boat value and age. Common terms: $25K-50K boats: 10-12 years. $50K-100K: 12-15 years. $100K+: 15-20 years. Longer terms lower payment but significantly increase total interest.
Are boat loans secured or unsecured?
Boat loans are typically secured by the vessel (similar to auto loans). The lender has a lien on the boat title. If you default, they can repossess. Secured status enables lower rates than unsecured personal loans. Very small boats may use unsecured financing.
What's the true cost of boat ownership?
The 'rule of 10%': annual operating costs are roughly 10% of boat value. Includes: insurance (1-2%), storage/slip fees (varies greatly), fuel, maintenance, winterization, registration, repairs. A $50K boat may cost $5K/year to own beyond financing.