Optical power (diopters)
P = 1/f with f in meters.
Calculator
How to use
Diopters
f must be in meters.
Educational use only. Check signs, units, and modeling assumptions (e.g. flat Earth g, no air resistance unless stated).
P = 1/f with f in meters.
f must be in meters.
Educational use only. Check signs, units, and modeling assumptions (e.g. flat Earth g, no air resistance unless stated).
Model / formula
P = 1/f (diopters, f in m)
Result
P = 2.0000 D (f in meters)