Resistor Color Code Calculator

 

                     
                     
                     
                     
                     

 

4 band

5 band

6 band

chart

table

ohm

mnemonic

value

electrical

1 Meg Ohm

100k ohm

10k ohm

1k ohm

100 ohm

10 ohm

1 ohm

470 ohm

330 ohm

220 ohm

 

 

 

Resistor color code is marked on the resistor and used to determine its resistance.

Resistor Color Band

Code Type Band

#1

Band

#2

Band

#3

Band

#4

Band

#5

Band

#6

4 bands

-||||-

Digit

Digit

Multiplier

Tolerance

-

-

5 bands

-|||||-

Digit

Digit

Digit

Multiplier

Tolerance

-

6 bands

-||||||-

Digit

Digit

Digit

Multiplier

Tolerance

Temp coef

 

Resistor Color

Color Digit Multiplier Tolerance Temperature

Coefficient

 

None

 

 

±20%

 

 

Silver

 

10-2

±10%

 

 

Gold

 

10-1

±5%

 

 

Black

0

100

 

 

 

Brown

1

101

±1%

±100

 

Red

2

102

±2%

±50

 

Orange

3

103

 

±15

 

Yellow

4

104

 

±25

 

Green

5

105

±0.5%

 

 

Blue

6

106

±0.25%

±10

 

Violet

7

107

±0.1%

±5

 

Grey

8

108

 

 

 

White

9

109

 

 

 

4 Bands Calculation

Resistance = (10×digit + digit)×multiplier

 5/6 Bands Calculation

Resistance = (100×digit + 10×digit + digit)×multiplier

 

Calculation Example

Regular resistor

 

 

 

 

 

 

 

        _  

 

R=11*102=1.1KW

Tolerance=±5%

 

SMT resistor

 

 

4

3

2

R=43*102=4.3KW

Tolerance=±5%

 

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