Calculate too:
Angles of circumference

Photometry



Illuminance


E
lx
Φ
lm
S
m2

1. Define values of all variables, besides sought quantity
2. Change units if necessary
3. Click "Calculate"




variables:

E - illuminance
Φ - luminous flux
S - area of illuminated surface



Unicalc in Facebook
x

Message to designers



Your message has sent.
Thank you for helping!
Something is wrong?
User agreement admin@unicalc.net