W&B

Aircraft Weight & Balance Calculator

Basic empty weight · Moment · CG · Fuel & payload · Envelope check

FAR 23 compliant CG envelope

Aircraft & loading

kg
m
Reference datum to CG of empty aircraft
kg
m
kg
m

W&B formulas

  • M = W × A moment = weight × arm
  • CG = ΣM / ΣW center of gravity
  • %MAC = (CG - LEMAC) / MAC × 100 mean aerodynamic chord
Total weight 68,000 kg
CG position 29.8 m
%MAC 32.5 %
CG envelope Limits CG
CG Fwd Aft Max W Min W
Status: ✓ WITHIN LIMITS
Moment breakdown
Empty weight 1,200,000 kg·m
Payload 384,000 kg·m
Fuel 224,000 kg·m
Total moment 1,808,000 kg·m
Weight distribution CG = 29.8 m
Empty
48,000 kg
Payload
12,000 kg
Fuel
8,000 kg
Zero fuel: 60,000 kg CG range: 26.0 - 34.0 m