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Boat Loan Calculator

Boat payment plus the running costs people forget to budget.

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Running costs, per year

These usually exceed the loan payment. A common planning figure is around ten percent of the purchase price annually.

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True monthly cost

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Loan payment—
Running costs—
Running as % of price—
Amount financed—
Down payment—
Total interest—
Total cost over the term—

Quick Tool Overview

The Boat Loan Calculator handles the long terms typical of marine finance and adds the costs that dwarf the payment: mooring, storage, insurance, maintenance and fuel, which together often run around ten percent of the purchase price every year.

What it does
Calculates a boat payment and the total cost of ownership
You give it
Price, down payment, rate, term and running costs
You get back
The monthly payment, total interest and full monthly cost
Best for
Budgeting realistically before buying a boat
Calculators Free, unlimited use No sign-up Runs in your browser

About the Boat Loan Calculator

Enter the purchase price, your down payment, the rate and the term to get the monthly payment and the total interest on a boat loan. Marine finance runs on much longer terms than car finance, often fifteen to twenty years, which changes the arithmetic considerably.

The loan is rarely the largest cost of owning a boat. Mooring or slip fees, winter storage, insurance, haul-out, bottom paint, engine servicing and fuel typically add up to a substantial fraction of the purchase price every year. A common planning figure is ten percent of the value annually, and the calculator includes those fields so the number you compare against your budget is the true cost of ownership rather than just the finance payment.

Key features of the Boat Loan Calculator

Long terms supported

Marine loans run ten to twenty years, which changes the interest arithmetic considerably against a car loan.

Running costs included

Mooring, storage, insurance, servicing and fuel usually exceed the loan payment itself.

True monthly cost

The figure to compare against your budget, rather than the finance payment alone.

Depreciation awareness

A long term against a depreciating asset means a long stretch of negative equity, shown in the schedule.

Down payment modelling

Marine lenders want ten to twenty percent, and more usually buys a better rate.

How to use the Boat Loan Calculator

  1. 1

    Enter the price and down payment

    Marine lenders typically want ten to twenty percent down, more on older vessels.

  2. 2

    Set the rate and term

    Boat loans commonly run ten to twenty years, which lowers the payment and raises the total interest.

  3. 3

    Add the running costs

    Mooring, storage, insurance, maintenance and fuel, which usually exceed the loan payment.

  4. 4

    Read the total monthly cost

    Compare that figure against your budget rather than the loan payment alone.

Frequently asked questions

Much longer than car loans, commonly ten to twenty years on larger vessels. The long term keeps payments manageable but means substantially more interest and a long period of negative equity.

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