Flight hours calculator
Enter your stop time, tachometer readings, and accumulated hours to calculate start time and elapsed flight time.
Step 1 of 4
What time did you stop?
Enter the engine stop time in 24h format.
Hour
:
Minute
Step 2 of 4
Initial tachometer reading
Use a comma and one decimal digit — e.g. 1234,5
Step 3 of 4
Final tachometer reading
Must be higher than the initial reading.
Step 4 of 4
Current accumulated hours
Total hours and minutes logged so far.
Hours
:
Minutes
Results
Starting time
--:--
Elapsed time
--:--
New accumulated total
--:--
Initial tachometer
—
Final tachometer
—
Previous accumulated
—
Edit stop time
: