Engineering Tool

Weight & Balance Calculator

Enter each loading station's weight and arm to compute total weight, moment and center of gravity — then see the result plotted live against the aircraft's CG envelope.

Loading

Station Weight (lb) Arm (in) Moment
Total 0 CG → 0
Total weight
0 lb
Center of gravity
0 in

CG Envelope

Approved envelope Your loading (in limits) Out of limits
Engineering demo — not for flight operations. This tool uses representative Cessna 172 values to illustrate the method. Always use the specific aircraft's approved POH/AFM and current weighing data for real weight & balance.