1 inch (in, ") = 2.54 centimeter = 25.4 mm Millimeters
= 25400 microns =1000 mils
1 meter = 39.370 078 74 inches
1 mil = 25.4 Microns
1 cubic inch = 16.3870646 cubic centimeters
1 cubic centimeter = 1 milliliter = 0.06103 cubic inches = 0.033814 fluid ounces
1 liter = 1000 ml = 1000 cubic centimeters = 0.2642 US gallons = 1.057 quarts =
33.82 fluid ounces = 61.03 cubic inches
1 fluid ounce (fl oz) = 29.57353 milliliter
1 U.S. Gallon = = 3.785 liters = 0.8327 Imperial Gallons = 231 cubic
inches = 0.1337 cubic feet
C = K - 273 = (F - 32)*(5/9) = (F - 32) x 0.555
F = 1.8 C + 32 = 2.25 R +32 = 32 + (9/5C)
1 pound = 16 ounces = .4535924 kilograms = 4.448222 newton
1 kilogram = 2.205 pounds = 35.27 ounces
Speed of Light=186,000 miles/sec or 299,792,458 meters/sec
Wavelength = Speed of Light / Frequency ( ie: Wavelength of 218 MHz
would be 299,792,458 / 218,000,000 = 1.375 meters or 4.51 feet)
| nano | n | .000 000 001 | 1 x 10 -9 |
| micro | µ | .000 001 | 1 x 10 -6 |
| milli | m | .001 | 1 x 10 -3 |
| centi | c | .01 | 1 x 10 -2 |
| deci | d | .1 | 1 x 10 -1 |
| deca | D | 10 | 1 x 10 1 |
| hecto | H | 100 | 1 x 10 2 |
| kilo | K | 1 000 | 1 x 10 3 |
| mega | M | 1 000 000 | 1 x 10 6 |
| giga | G | 1 000 000 000 | 1 x 10 9 |
| tera | T | 1 000 000 000 000 | 1 x 10 12 |
|
1st & 2nd Color Band |
Value |
Multiplier - Band 3 |
 BLACK |
0 |
X1 |
 BROWN |
1 |
X10 |
RED |
2 |
X100 |
 ORANGE |
3 |
X1,000 (1K) |
 YELLOW |
4 |
X10,000 (10K) |
 GREEN |
5 |
X100,000 (100K) |
 BLUE |
6 |
X1,000,000 (1M) |
 VIOLET |
7 |
Silver: divide by 100 |
 GRAY |
8 |
Gold: divide by 10 |
 WHITE |
9 |
|
This resistor would be 2.7 Meg-ohms with a ±5% tolerance
|
EIA CODE |
µF |
PF |
NF |
EIA CODE |
µF |
PF |
NF |
|
|
0R5 |
0.0000005 |
0.5 |
0.0005 |
201 |
0.00020 |
200 |
0.20 |
|
|
1R0 |
0.0000010 |
1.0 |
0.0010 |
221 |
0.00022 |
220 |
0.22 |
|
|
1R2 |
0.0000012 |
1.2 |
0.0012 |
241 |
0.00024 |
240 |
0.24 |
|
|
1R5 |
0.0000015 |
1.5 |
0.0015 |
271 |
0.00027 |
270 |
0.27 |
|
|
1R8 |
0.0000018 |
1.8 |
0.0018 |
301 |
0.00030 |
300 |
0.30 |
|
|
2R0 |
0.0000020 |
2.0 |
0.0020 |
331 |
0.00033 |
330 |
0.33 |
|
|
2R2 |
0.0000022 |
2.2 |
0.0022 |
361 |
0.00036 |
360 |
0.36 |
|
|
2R7 |
0.0000027 |
2.7 |
0.0030 |
391 |
0.00039 |
390 |
0.39 |
|
|
3R3 |
0.0000033 |
3.3 |
0.0033 |
431 |
0.00043 |
430 |
0.43 |
|
|
3R9 |
0.0000039 |
3.9 |
0.0039 |
471 |
0.00047 |
470 |
0.47 |
|
|
4R0 |
0.0000040 |
4.0 |
0.0040 |
511 |
0.00051 |
510 |
0.51 |
|
|
4R7 |
0.0000047 |
4.7 |
0.0047 |
561 |
0.00056 |
560 |
0.56 |
|
|
5R0 |
0.0000050 |
5.0 |
0.0050 |
621 |
0.00062 |
620 |
0.62 |
|
|
5R6 |
0.0000056 |
5.6 |
0.0056 |
681 |
0.00068 |
680 |
0.68 |
|
|
6R0 |
0.0000060 |
6.0 |
0.0060 |
751 |
0.00075 |
750 |
0.75 |
|
|
6R8 |
0.0000068 |
6.8 |
0.0068 |
821 |
0.00082 |
820 |
0.82 |
|
|
7R0 |
0.0000070 |
7.0 |
0.0070 |
911 |
0.00091 |
910 |
0.91 |
|
|
8R0 |
0.0000080 |
8.0 |
0.0080 |
102 |
0.0010 |
1,000 |
1.0 |
|
|
8R2 |
0.0000082 |
8.2 |
0.0082 |
112 |
0.0011 |
1,100 |
1.1 |
|
|
9R0 |
0.000009 |
9.0 |
0.0090 |
122 |
0.0012 |
1,200 |
1.2 |
|
|
100 |
0.000010 |
10 |
0.010 |
132 |
0.0013 |
1,300 |
1.3 |
|
|
110 |
0.000011 |
11 |
0.011 |
152 |
0.0015 |
1,500 |
1.5 |
|
|
120 |
0.000012 |
12 |
0.012 |
162 |
0.0016 |
1,600 |
1.6 |
|
|
130 |
0.000013 |
13 |
0.013 |
182 |
0.0018 |
1,800 |
1.8 |
|
|
150 |
0.000015 |
15 |
0.015 |
202 |
0.0020 |
2,000 |
2.0 |
|
|
160 |
0.000016 |
16 |
0.016 |
222 |
0.0022 |
2,200 |
2.2 |
|
|
180 |
0.000018 |
18 |
0.018 |
242 |
0.0024 |
2,400 |
2.4 |
|
|
200 |
0.000020 |
20 |
0.020 |
272 |
0.0027 |
2,700 |
2.7 |
|
|
220 |
0.000022 |
22 |
0.022 |
332 |
0.0033 |
3,300 |
3.3 |
|
|
240 |
0.000024 |
24 |
0.024 |
392 |
0.0039 |
3,900 |
3.9 |
|
|
270 |
0.000027 |
27 |
0.027 |
472 |
0.0047 |
4,700 |
4.7 |
|
|
300 |
0.000030 |
30 |
0.030 |
562 |
0.0056 |
5,600 |
5.6 |
|
|
330 |
0.000033 |
33 |
0.033 |
682 |
0.0068 |
6,800 |
6.8 |
|
|
360 |
0.000036 |
36 |
0.036 |
822 |
0.0082 |
8,200 |
8.2 |
|
|
390 |
0.000039 |
39 |
0.039 |
103 |
0.010 |
10,000 |
10 |
|
|
430 |
0.000043 |
43 |
0.043 |
153 |
0.015 |
15,000 |
15 |
|
|
470 |
0.000047 |
47 |
0.047 |
183 |
0.018 |
18,000 |
18 |
|
|
510 |
0.000051 |
51 |
0.051 |
223 |
0.022 |
22,000 |
22 |
|
|
560 |
0.000056 |
56 |
0.056 |
273 |
0.027 |
27,000 |
27 |
|
|
620 |
0.000062 |
62 |
0.062 |
333 |
0.033 |
33,000 |
33 |
|
|
680 |
0.000068 |
68 |
0.068 |
393 |
0.039 |
39,000 |
39 |
|
|
750 |
0.000075 |
75 |
0.075 |
473 |
0.047 |
47,000 |
47 |
|
|
820 |
0.000082 |
82 |
0.082 |
563 |
0.056 |
56,000 |
56 |
|
|
910 |
0.000091 |
91 |
0.091 |
683 |
0.068 |
68,000 |
68 |
|
|
101 |
0.00010 |
100 |
0.10 |
104 |
0.10 |
100,000 |
100 | |
|
111 |
0.00011 |
110 |
0.11 |
124 |
0.12 |
120,000 |
120 | |
|
121 |
0.00012 |
120 |
0.12 |
154 |
0.15 |
150,000 |
150 | |
|
131 |
0.00013 |
130 |
0.13 |
184 |
0.18 |
180,000 |
180 | |
|
151 |
0.00015 |
150 |
0.15 |
224 |
0.22 |
220,000 |
220 | |
|
161 |
0.00016 |
160 |
0.16 |
474 |
0.47 |
470,000 |
470 | |
|
181 |
0.00018 |
180 |
0.18 |
105 |
1.00 |
1,000,000 |
1,000 |
Large capacitors are simply marked with their values. Smaller caps use a color coding scheme of which there are several different codes.
|
Type |
1st & 2nd Color Band |
Value |
Multiplier - Band 3 |
% Tolerance |
| jan, mica |
BLACK |
0 |
X1 |
±20 |
|
BROWN |
1 |
X10 |
||
|
RED |
2 |
X100 |
±2 | |
|
ORANGE |
3 |
X1,000 (1K) |
±3 | |
|
YELLOW |
4 |
X10,000 (10K) |
±4 | |
|
GREEN |
5 |
X100,000 (100K) | ±5 | |
|
BLUE |
6 |
X1,000,000 (1M) |
±6 | |
|
VIOLET |
7 |
x10,000,000 (10m) |
±7 | |
|
GRAY |
8 |
x 100,000,000 (100m) | ±8 | |
| eia, mica |
WHITE |
9 |
x 1,000,000,000 (1G) | ±9 |
 GOLD |
.1 | |||
| molded paper |
 SILVER |
.01 | ±10 | |
| Body | .01 | ±20 |
Note the arrows.... The value is read as oriented in a clockwise direction.
This reads as a 25 pf Mica capacitor with a ±6% tolerance
Last Modified: June 22, 2006
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