Boat Loan Calculator

Boat loans use the same fixed-rate amortization formula as a car or personal loan, but terms and rates vary more widely depending on the boat's age, type, and whether it's new or used \u2014 newer, larger boats often qualify for longer terms (sometimes 10\u201320 years), similar to how larger purchases get longer financing windows.

Boats depreciate faster than most people expect, and unlike a car, resale demand can be seasonal and regional. It's worth running the numbers at a couple of different tenures above \u2014 a longer term lowers the payment but increases the risk of owing more than the boat is worth if you need to sell early.

Financing a $40,000 boat purchase at 7.5% over 10 years produces a monthly payment of roughly $475, with total interest over the loan's life around $17,000 — a meaningful share of the original purchase price, reflecting the longer terms boats are often financed over compared to cars.

Because boats hold value differently than cars and financing amounts can be substantial, lenders often extend boat loan terms well beyond typical auto loan lengths — which lowers the monthly payment but increases total interest paid, making the tenure choice worth comparing carefully before committing.