Calculator
Density altitude calculator
Work out density altitude from field elevation, altimeter setting and temperature. The number that decides whether the rotor will lift you off on a hot afternoon.
Tools
Gyroplane calculators
Published formulas, your numbers, worked out in the browser. No sign-up, nothing stored, and every tool shows how it reached the answer.
Calculator
Fuel burn and endurance calculator
Convert usable fuel and burn rate into endurance, still-air range and the reserve you land with.
These tools compute from published formulas and the figures you enter. None of them holds performance data for a particular aircraft, because a guessed empty weight or burn rate would be believed. Your flight manual is the only source for those.
