Drone Weight & Frame Size Calculator

Find minimum frame size to avoid prop strike, and check disk loading

Weight & Frame Size Calculator
Frame & Loading Results

Minimum Frame Diagonal

380.4 mm
≈ 14.98 in

Disk Loading

Typical
Balanced rotor loading
72.6 N/m²≈7.40 kg/m²
Calculated with clearance: 15 mm
💡 Frame diagonal is motor-to-motor distance. Disk loading affects efficiency and noise.
ConfidenceHIGH
Design RiskLOW

Frame size and disk loading are in typical range for this configuration.

Check Motor SpecificationsEstimate Current Consumption

Assumptions

  • Motors arranged in regular polygon (equal spacing)
  • Frame diagonal = motor-to-motor distance
  • Disk loading: Low (<50) = efficient, High (>100) = review needed

When This Estimate Breaks Down

  • H-frame or stretched-X layouts need custom calculation
  • High disk loading may cause efficiency loss and noise
  • Frame class matching is for reference only

Related Calculators

Flight-Time

Estimate hover time and learn when this estimate breaks down

View Calculator

Motor Specification

Calculate thrust per motor and estimate ESC current requirements

View Calculator

Current Consumption

Estimate average and peak current to check battery and ESC limits

View Calculator