Altitude & Air Density
Air gets thinner at altitude — and hotter air is less dense than cold. Both directly reduce prop thrust at the same throttle and RPM. Enter your site altitude and expected air temperature to see your density deficit and get specific prop adjustments.
Altitude
Air temperature
Your current setup
optionalType any diameter and pitch — including props not in our database. Pitch chips update to the nearest standard size once you enter a diameter.
Prop diameter (in)
Pitch (in)
Blades
Standard baseline
Cell count
Motor count
Quad — full deficit impact
Motor KV
Checked against recommended range for your size + cells
Enter altitude and temperature above to see your result.