The Resistor Color Code Calculator will calculate the resistance value in Ohms (Ω) for 4-band and 5-band resistors based on the color code on the resistor.

Our Resistor Color Code Calculator is a handy tool for reading carbon-composition resistors whether it's a 4-band, 5-band or 6-band type. To use this tool, simply click on a particular color and number and watch how the actual bands on the resistor illustration change. The resistance value is displayed on the field below together with the.

4-Band Resistor Color Code Calculator

Resistor Color Code Information The resistor color code is a long standing standard in both the electronics and electrical industries, indicating the value of resistance of a resistor. Resistance is measured in ohms and there is a foundation for it called Ohm's Law. (Want to know about Ohm's Law? If so, please click here or click here!)Each color band represents a number and the order of the.
Resistor Color Code Calculator; Resistor Color Code Calculator. This resistor color code calculator is designed to find the resistance and tolerance values of through hole resistors. Resistor Color Code Calculator Resistor Color Code Chart. It appears you have JavaScript disabled within your browser. Functions on this page will not work.

Choose resistor color code to calculate resistance value.

Resistor Color Code Mnemonic

Resistance values can be calculated from a 4-band resistor color code as follows:

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Band 1: First significant figure (left-most digit)
Band 2: Second significant figure
Band 3: Multiplier (determines order of magnitude)
Band 4: Tolerance value (%)

For example, a resistor with a color band pattern of red, green, yellow, gold yields the first digit as 2, the second digit as 5, and a multiplier of 10,000. This produces a resistance value of $25 * 10,000 = 250 kΩ$ with a ± 5% tolerance.

5-Band Resistor Color Code Calculator

Choose resistor color code to calculate resistance value.

Resistance values can be calculated from a 5-band resistor color code as follows:

Band 1: First significant figure (left-most digit)
Band 2: Second significant figure
Band 3: Third significant figure (additional digit of precision)
Band 4: Multiplier (determines order of magnitude)
Band 5: Tolerance value (%)

For example, a resistor with a color band pattern of brown, red, orange, red, gold yields the first digit as 1, the second digit as 2, the third digit as 3, and a multiplier of 10,000. This produces a resistance value of $123 * 100 = 12.3 kΩ$ with a ± 5% tolerance.

To calculate wire size for a circuit, use the Wire Size Calculator or the Advanced Wire Size Calculator. Slayer vst free. To calculate wire ampacity for a circuit, use the Wire Ampacity Calculator or the Advanced Wire Ampacity Calculator.

Resistor Color Code Guide

For long conductor runs where voltage drop may be an issue, use the Voltage Drop Calculator to determine proper conductor sizing and maximum circuit length. Visit the Tables page to view reference tables such as Maximum Ampacity for Current-Carrying Conductors.

Resistor Color Code 1%

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