Interactive House
Calculators
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Efficiency Home
Home Energy
Appliance
Lighting
Advanced Lighting Calculator
Incandescent
Bulb Wattage:
25
40
60
75
100
150
Bulbs Used:
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
Hours "On" Per Day:
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
The electric rate is the same as in the calculators.
Type of Bulb
Total Cost
Per Month
100-watt Standard
Incandescent Light Bulb
27-watt Compact
Fluorescent Light Bulb
CFL Wattage for
equivalent light output
Savings Per Month:
Savings Per Year:
