Light Bulb Calculator


Years:

Cost Per kWh:

Daily Use (hours):

Bulbs:

Brightness:


lumens

Select Brightness to set Wattage

Incandescent

40 Watts
Life Span:
Price:
R

per bulb
Light Bulb Calculator 1

Electricity Cost: R 2.74

Bulb Cost: R 39.00

Total Cost: R 41.74

Bulbs Used: 1

 

Compact Fluorescent

9 Watts
Life Span:
Price:
R

per bulb
Light Bulb Calculator 2

Electricity Cost: R 2.74

Bulb Cost: R 39.00

Total Cost: R 41.74

Bulbs Used: 1

 

LED

4 Watts
Life Span:
Price:
R

per bulb
Light Bulb Calculator 3

Electricity Cost: R 2.74

Bulb Cost: R 39.00

Total Cost: R 41.74

Bulbs Used: 1

 

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