Add Your Car: Use "+ Add Car" to name your car and
optionally add its purchase price for "Total Cost of Ownership"
calculation.
Set Your Units: Use the "Units" dropdown to switch
between Metric (L/100km) and Imperial (MPG).
Log Your Fill-ups: Use the "New Fuel Entry" form.
The first entry sets the starting odometer and is highlighted.
Sort Your Log: Click on any column header in the
log table to sort by that column.
Analyze Your Data: With at least 4 total entries
(first entry + 3 fill-ups), detailed statistics and charts will be
generated. Click charts to enlarge.
Edit/Delete Entries: Use "Edit Log" to correct
entries or the '❌' icon to delete individual entries.
Import/Export: Import data from JSON/CSV, and
export logs, stats, or charts.