Online calculator - 3 color band resistor
Resistors:
Capacitors and Inductors:
Calculate 3 color band resistor: unknown, gray, violet
Enter resistor value to get colors:
Choose resistor colors to get value:
![](/band_left.png)
![unknown = unknown](/band_unknown.png)
![gray = 8 gray](/band_gray.png)
![violet = x10000000 violet](/band_violet.png)
![](/band_none.png)
![](/band_right.png)
Standard EIA Decade Values Table - decade 100 to 1000 MΩ
E6 | E12 | E24 |
100 MΩ
150 MΩ
220 MΩ
330 MΩ
470 MΩ
680 MΩ
| 100 MΩ, 120 MΩ
150 MΩ, 180 MΩ
220 MΩ, 270 MΩ
330 MΩ, 390 MΩ
470 MΩ, 560 MΩ
680 MΩ, 820 MΩ
| 100 MΩ, 110 MΩ, 120 MΩ, 130 MΩ
150 MΩ, 160 MΩ, 180 MΩ, 200 MΩ
220 MΩ, 240 MΩ, 270 MΩ, 300 MΩ
330 MΩ, 360 MΩ, 390 MΩ, 430 MΩ
470 MΩ, 510 MΩ, 560 MΩ, 620 MΩ
680 MΩ, 750 MΩ, 820 MΩ, 910 MΩ
|
Other decades:
0.1 - 1 Ω,
1 - 10 Ω,
10 - 100 Ω,
100 - 1000 Ω,
1 - 10 kΩ,
10 - 100 kΩ,
100 - 1000 kΩ,
1 - 10 MΩ,
10 - 100 MΩ
The 3 color band resistor color code unknown-gray-violet stands for 80 MΩ +/-20%, in words: eighty Megaohms with plus/minus twenty percent tolerance.
This is a simple online calculator for color band resistor marking, inductor color band marking,
ceramic, film or tantalum capacitor 3 digit marking and SMD resistor 3-digit, 4-digit, 10%, 5%, 2% and EIA-96 (E96) 1% tolerance code marking.
This tool is for reference only. I do not guarantee correctness of any information provided. You use this website at your own risk.