What you can do with it
Fuel economy
Full-to-full method, shown as per 100 km/mi and distance per unit (e.g. mpg).
Running costs
Fuel and every other cost by type, this year.
Cost per distance
Per vehicle and for all vehicles.
Reminders
Service by date or distance, inspection, insurance and tax: Overdue / Due / OK.
Multiple vehicles
Up to 10, with a line per vehicle on the dashboard.
Data checks
Unknown vehicles, missing data, odometer going backwards.
See it before you buy
What's in the download
| CarBook-Example.xlsx | Example workbook filled with sample data, to explore first |
| CarBook-Blank.xlsx | Blank workbook, ready for your own data |
| README.txt | Setup and how-to guide |
| CHANGELOG.txt | Version history |
| LICENSE.txt | Licence terms |
Version 1.0.0. One ZIP file, no installer, nothing sent anywhere.
Why buy it instead of building it
Checked against an independent calculation
Before release, every formula is compared with a separate model, including edited data and deliberately bad entries.
Starts with a worked example
Open the Example workbook to see it filled in, then type your own numbers into the Blank one.
A person answers support email
Write to altaitoondev@gmail.com and get a reply within 2 business days. If it doesn't work as described, you get a refund within 30 days.
What you need
- Microsoft Excel 2010 or later
- Tested in Microsoft Excel for Windows (Microsoft 365)
- No macros or add-ins
- Google Sheets, LibreOffice and Numbers not tested
What it doesn't do
- Reminders are shown in the workbook only (no notifications).
- One currency, distance unit and fuel unit per file.
- Up to 10 vehicles.
How buying works
- Pay onceCheckout by Polar. Card details never touch this site.
- Download straight awayThe download link appears after payment and arrives by email with your receipt.
- Open and use itOpen the Example workbook, then enter your own data in the Blank one.
Questions
Why mark full tanks?
Economy is only accurate between two full tanks; partial fills are added to the next full one.
Miles and gallons?
Yes — set mi and gal in Settings.
What if it doesn't work for me?
Email altaitoondev@gmail.com within 30 days of purchase. We'll try to fix the problem first; if we can't, you get a full refund through the store you bought from.
