How this boat loan calculator works
On the Boat Price tab, enter the price of the boat, the loan term, the interest rate, your down payment, any trade-in, the sales tax rate, and title and registration fees. The boat loan calculator works out how much you borrow, your monthly payment, the cash you need upfront, the total interest, and the total cost of the boat, with a full amortization schedule. It works as a boat payment calculator for a boat you have picked out, or for comparing boat loan rates from different lenders.
For example, a $45,000 boat with $9,000 down, 6% sales tax, and $1,500 in fees, financed at 7.5% for 15 years, means borrowing $36,000. The monthly payment is $333.72, you pay $13,200 upfront (the down payment, $2,700 in sales tax, and the fees), and the total cost including $24,070.40 in interest is $73,270.40.
Boat loan payment calculator formula
The amount financed is the boat price minus the down payment and trade-in, plus the sales tax and fees if you roll them into the loan. With that loan amount P, monthly rate r (the annual rate ÷ 12), and n monthly payments:
Monthly payment = P × r ÷ [1 − (1 + r)−n]
Financing the sales tax and fees lowers what you pay upfront but raises the loan amount, so you pay interest on them too.
How much boat can I afford?
The Monthly Payment tab works in reverse, as a boat finance calculator for budgeting. Enter the monthly payment you can afford and it finds the loan that payment pays off, then works back to the boat price that loan covers once your down payment, trade-in, sales tax, and fees are accounted for. If you finance the tax and fees, part of the loan goes to them, so the boat price you can afford is lower. A $400 payment at 7.5% for 15 years supports a $43,149.37 loan, which with the same $9,000 down, tax, and fees buys a boat priced up to $52,149.37.
Frequently asked questions
How long can you finance a boat?
Boat loan terms commonly run from 2 to 20 years, with the longest terms usually reserved for larger, newer boats. A longer term lowers the monthly payment but adds interest. Change the loan term above to compare: the same $36,000 at 7.5% costs $721.37 a month over 5 years with $7,281.97 in interest, against $333.72 a month and $24,070.40 in interest over 15 years.
How do boat loan rates affect the payment?
Lenders set boat loan rates based on your credit, the loan amount and term, and the age of the boat. Enter the rate from a quote to see the payment, or try a few rates to see how much a better rate saves over the life of the loan.
Does a trade-in reduce sales tax on a boat?
It depends on your state. The calculator charges sales tax on the full boat price, which is the higher of the two outcomes. In states that tax only the price minus the trade-in, or that cap the tax on boats, your actual tax and total cost will be lower.
What fees come with buying a boat?
Common fees include state title and registration, documentation fees from the dealer, and sometimes a survey or trailer registration. Enter them together in the fees field. Ongoing costs such as insurance, storage, fuel, and maintenance are not part of the loan, so budget for them separately.
Limitations
The calculator assumes a fixed rate, equal monthly payments, and no early payoff, and it does not include insurance, storage, or other costs of owning a boat. Sales tax rules, lender down payment requirements, and the terms you qualify for vary, so treat the results as estimates, not financial advice.
What's changed
- Fixed the amortization schedule at very high interest rates, where principal could stay unpaid until the last payment.
- Launched.
References
- Consumer Financial Protection Bureau (CFPB) — What Is Amortization and How Could It Affect My Auto Loan?
each payment on an amortized loan is split between interest and principal, with more going to interest early on, as shown in this calculator's amortization schedule