Book 3 of the Cost Per series
Cost Per Nautical Mile
A Boat Expense Log for People Who Could Have Just Rented One
Every boat owner has been asked whether it would be cheaper to rent. This is the book that lets you answer with a number.
Coming soon on Amazon Use the free calculator
6 × 9 in · 96 pages · paperback · black-and-white interior
What’s inside
- The Original Sin: a permanent record of the purchase, the survey, and the first unexpected repair
- 60 full-page expense entries with Estimated vs. Actual, Approved By (Me / The Admiral / Nobody / The boat), and Did It Fix The Problem? (Yes / For now / It’s a different problem now)
- A Trip Log and twelve Monthly Damage Reports with cost per nautical mile and cost per hour on the water, with the rental rate next to it
- Maintenance, fuel, and project logs your mechanic, surveyor, and next owner will thank you for
- Things I Have Said to Justify This Boat, and a Marina Dictionary
Who it’s for
Sailboats, powerboats, pontoons, fishing boats, and the project boat in the driveway. A gift for birthdays, Christmas, Father’s Day, Mother’s Day, and the day the first invoice arrives.
The Cost Per Nautical Mile calculator
Scanned the code in the book? You’re in the right place. Enter the purchase, the invoices, and the trips. It gives you cost per nautical mile and per hour, with and without the purchase price, against a rental rate.
Use the online calculator Google Sheets version coming soon Download for Excel (.xlsx)
The online version runs in your browser and saves there. The spreadsheets are formulas only, no macros; the Google Sheets link makes your own copy.
