Rex says
Money math without the spreadsheet headache. Plug in your numbers and I'll show you exactly where the dollars land.
Try a scenario
Click to load — tweak from there.Inputs
Result
Annual cost
$14,500
Per month
$1,208
Cost per outing
$725
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One click, a permanent link with your numbers baked in.
How to use this
- 1Enter slip / storage ($/yr).
- 2Enter insurance ($/yr).
- 3Enter maintenance & haul-out ($/yr).
- 4Enter fuel ($/yr).
- 5Enter loan payments ($/yr).
- 6Enter outings per year.
- 7Read your annual cost on the right — it updates as you type.
- 8Hit Share to keep the scenario or send it to someone.
About this calculator
Slip fees, insurance, winterizing, maintenance, and fuel add up fast. This gives the yearly and per-outing cost.
Worked example
Using the values the calculator loads with:
Inputs
- Slip / storage: 3600 $/yr
- Insurance: 900 $/yr
- Maintenance & haul-out: 2200 $/yr
- Fuel: 1800 $/yr
- Loan payments: 6000 $/yr
- Outings per year: 20
Results
- Annual cost: $14,500
- Per month: $1,208
- Cost per outing: $725
What each field means
Inputs
- Slip / storage ($/yr)
- The slip / storage used in the calculation, measured in $/yr. Starts at 3600 $/yr so you have a working example on load.
- Insurance ($/yr)
- The insurance used in the calculation, measured in $/yr. Starts at 900 $/yr so you have a working example on load.
- Maintenance & haul-out ($/yr)
- The maintenance & haul-out used in the calculation, measured in $/yr. Starts at 2200 $/yr so you have a working example on load.
- Fuel ($/yr)
- The fuel used in the calculation, measured in $/yr. Starts at 1800 $/yr so you have a working example on load.
- Loan payments ($/yr)
- The loan payments used in the calculation, measured in $/yr. Starts at 6000 $/yr so you have a working example on load.
- Outings per year
- The outings per year used in the calculation. Starts at 20 so you have a working example on load.
Results
- Annual cost
- Returned as a money amount in US dollars and shown as the headline result. It recalculates instantly whenever you change an input, so you can compare scenarios without reloading.
- Per month
- Returned as a money amount in US dollars. It recalculates instantly whenever you change an input, so you can compare scenarios without reloading.
- Cost per outing
- Returned as a money amount in US dollars. It recalculates instantly whenever you change an input, so you can compare scenarios without reloading.
FAQ
How does the boat ownership cost calculator work?
Slip fees, insurance, winterizing, maintenance, and fuel add up fast. This gives the yearly and per-outing cost.
What do I need to enter?
6 values: slip / storage, insurance, maintenance & haul-out, fuel, loan payments, and outings per year. Each field starts with a sensible default, so you can change one number at a time and watch the result move.
What does the annual cost result mean?
It is returned as a money amount in US dollars and updates live as you edit the inputs, so you can compare two or three versions of a scenario in a few seconds.
Is this calculator free, and do I need an account?
Yes, it's free, and no account is required. Nothing you type is stored on our servers — the maths runs entirely in your browser.
How accurate is the result?
It applies the standard formula exactly, so the arithmetic is precise. Results are estimates before tax, fees, and inflation unless an input explicitly covers them.
Who is this tool for?
It's built for anyone comparing money scenarios before committing — budgeting a payment, sanity-checking a quote, or seeing what a change in rate or term actually costs.
Accuracy and limitations
- Results are estimates before tax, fees, and inflation unless an input explicitly covers them.
- Rates are treated as fixed for the whole period — variable-rate products will drift from this projection.
- This is educational maths, not financial advice. Check anything contractual with the lender or your accountant.
Related tools
Cite this calculator
Writing about this topic? Grab a citation — every link helps keep these tools free.
RevenueLab. (2026). Boat Ownership Cost Calculator. Retrieved from https://www.revenuelab.fyi/toolbox/boat-ownership-cost
<p>Source: <a href="https://www.revenuelab.fyi/toolbox/boat-ownership-cost" target="_blank" rel="noopener">Boat Ownership Cost Calculator — RevenueLab</a> (2026).</p>
Source: [Boat Ownership Cost Calculator — RevenueLab](https://www.revenuelab.fyi/toolbox/boat-ownership-cost) (2026).