RC Flyer Pro
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RC calculators

Free calculators for RC pilots: balance point, wing loading, flight time, LiPo C-rating and prop thrust. No sign-up needed.

CG calculatorFind the balance point of any wing - straight, tapered, swept or a flying wing - from a few measurements. Wing loading calculatorWing loading in g/dm² and oz/ft², plus cubic wing loading - the fairest way to compare models of different sizes. Flight time calculatorHow long a LiPo will last from its capacity and your average current - and what to set your timer to. LiPo C-rating calculatorMaximum current, energy in Wh, charge current and whether a pack can handle your motor - plus airline battery limits. Prop thrust calculatorEstimate static thrust and pitch speed for any prop, and the thrust-to-weight ratio of your model.
Keep every model's numbers in one place RC Flyer Pro is a free logbook and hangar for RC pilots: your models, batteries, flights and flying field, with GPS flight replays in 3D. Start free