⛽ Trip Fuel Cost
Trip fuel cost
YOUR NEXT TRIP STARTS HERE
Know what your boat will cost before it costs you.
Fast, no-signup calculators for the numbers boat owners actually need: fuel, batteries, electrical, marina costs, ownership and anchoring.
Less guesswork.
More time on the water.
More time on the water.
Simple tools, transparent assumptions and results you can use when talking to a marina, mechanic or boatyard.
7practical calculators
one well-equipped toolbox
one well-equipped toolbox
YOUR BOAT’S RECORD BOOK
My boat profiles
Pick up a repair where you left off. Keep symptoms, checks, parts and results with the right boat.
Profiles, chats and attachments stay on this browser and device. Export a backup to move them or protect them before clearing browser data. No account or automatic syncing.
Opening your record book…
Give your boat a home here.
Add a profile to automatically save repair conversations and build a maintenance history.
View maintenance log ↓Backups include saved chats and attachments.
YOUR DOCKSIDE SECOND OPINION
Let’s get to the
bottom of it.
Describe what’s going wrong. BoatFix AI asks the next useful question and helps you narrow down likely causes.
- 01Tell us the symptoms
The sounds, smells, warnings, or changes you’ve noticed.
- 02Work through it together
A couple of focused questions at a time.
- 03Leave with a next step
Possible causes, sensible checks, and when to call a pro.
AI guidance, not a confirmed diagnosis. Follow your boat’s manual and use a qualified marine technician for repairs that need one.
BoatFix AIChecking connection…
BoatFix AI is working through your symptoms…
When you send, OpenAI receives your message, attachments and the selected boat’s details and recent maintenance notes. Chats under a boat profile save in this browser. Temporary chats are not saved. Save chat downloads text; Export profiles includes attachments.
SYMPTOMS TO SOLUTIONS
Maintenance log
Select a boat profile to keep a maintenance log.
Saved repairs
No saved repairs yet.
01 / THE TOOLBOX
Make every trip add up.
Your numbers stay in your browser. No account required.
🔋 Battery Runtime
Estimated runtimePlanning estimate; actual performance varies.
⚡ Voltage Drop
Maximum resistance allowedUse the appropriate marine wire-sizing standard for final selection.
🛠️ Annual Ownership
Estimated annual costReplace assumptions with your actual bills.
💵 Cost Per Hour
Cost per boating hourAnnual ownership cost divided by use.
⚓ Anchor Rode
Approx. rode lengthScope is a planning input; conditions matter.
02 / AT THE DOCK
Marina Slip Cost Calculator
Estimate dockage from boat length, a local rate and the length of your stay.
Estimated dockage
ZIP estimate: Enter a ZIP to see a rough market assumption.
Important: published marina prices vary substantially by market, slip size, season and services. Use an actual marina's published rate whenever possible. The estimate is for planning, not a quote.
03 / THE CAPTAIN’S NOTES
Know your boat. Enjoy the journey.
Boat electrical
Battery runtime, voltage drop, charging, inverter loads and solar planning.
Fuel & range
Trip fuel, GPH, cruising range, reserve fuel and annual fuel budgets.
Ownership
Slip fees, storage, insurance, maintenance and true cost per hour.
Maintenance
Practical checklists and “before you replace that part” troubleshooting.
04 / THE GEAR LOCKER
Recommended gear
Useful products belong beside the problem they solve. Affiliate links can be added after approval.
Marine batteries & chargersFuture affiliate placement.
Electrical test gearFuture affiliate placement.
Fuel & engine monitoringFuture affiliate placement.
Safety & towingFuture affiliate placement.