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Watt to Femtowatt Conversion Table

Quick Find Conversion Table

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1 - 33
watts to femtowatts
1= 1.0E+15
2= 2.0E+15
3= 3.0E+15
4= 4.0E+15
5= 5.0E+15
6= 6.0E+15
7= 7.0E+15
8= 8.0E+15
9= 9.0E+15
10= 1.0E+16
11= 1.1E+16
12= 1.2E+16
13= 1.3E+16
14= 1.4E+16
15= 1.5E+16
16= 1.6E+16
17= 1.7E+16
18= 1.8E+16
19= 1.9E+16
20= 2.0E+16
21= 2.1E+16
22= 2.2E+16
23= 2.3E+16
24= 2.4E+16
25= 2.5E+16
26= 2.6E+16
27= 2.7E+16
28= 2.8E+16
29= 2.9E+16
30= 3.0E+16
31= 3.1E+16
32= 3.2E+16
33= 3.3E+16
34 - 66
watts to femtowatts
34= 3.4E+16
35= 3.5E+16
36= 3.6E+16
37= 3.7E+16
38= 3.8E+16
39= 3.9E+16
40= 4.0E+16
41= 4.1E+16
42= 4.2E+16
43= 4.3E+16
44= 4.4E+16
45= 4.5E+16
46= 4.6E+16
47= 4.7E+16
48= 4.8E+16
49= 4.9E+16
50= 5.0E+16
51= 5.1E+16
52= 5.2E+16
53= 5.3E+16
54= 5.4E+16
55= 5.5E+16
56= 5.6E+16
57= 5.7E+16
58= 5.8E+16
59= 5.9E+16
60= 6.0E+16
61= 6.1E+16
62= 6.2E+16
63= 6.3E+16
64= 6.4E+16
65= 6.5E+16
66= 6.6E+16
67 - 99
watts to femtowatts
67= 6.7E+16
68= 6.8E+16
69= 6.9E+16
70= 7.0E+16
71= 7.1E+16
72= 7.2E+16
73= 7.3E+16
74= 7.4E+16
75= 7.5E+16
76= 7.6E+16
77= 7.7E+16
78= 7.8E+16
79= 7.9E+16
80= 8.0E+16
81= 8.1E+16
82= 8.2E+16
83= 8.3E+16
84= 8.4E+16
85= 8.5E+16
86= 8.6E+16
87= 8.7E+16
88= 8.8E+16
89= 8.9E+16
90= 9.0E+16
91= 9.1E+16
92= 9.2E+16
93= 9.3E+16
94= 9.4E+16
95= 9.5E+16
96= 9.6E+16
97= 9.7E+16
98= 9.8E+16
99= 9.9E+16

Legend

SymbolDefinition
≡exactly equal
≈approximately equal to
=equal to
digitsindicates that digits repeat infinitely (e.g. 8.294 369 corresponds to 8.294 369 369 369 369 …)

Popular conversions

Popular units

watts

The watt (symbol: W) is a derived unit of power in the International System of Units (SI) defined as 1 joule per second and can be used to quantify the rate of energy transfer. Power has dimensions of ML2T-3.

Watts Conversion

femtowatts

The femtowatt (fW) is equal to one quadrillionth (10−15) of a watt. Technologically important powers that are measured in femtowatts are typically found in reference(s) to radio and radar receivers. For example, meaningful FM tuner performance figures for sensitivity, quieting and signal-to-noise require that the RF energy applied to the antenna input be specified. These input levels are often stated in dBf (decibels referenced to 1 femtowatt). This is 0.2739 microvolt across a 75-ohm load or 0.5477 microvolt across a 300-ohm load; the specification takes into account the RF input impedance of the tuner.

Femtowatts Conversion
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