What is a 5-band resistor?

A 5-band resistor offers higher precision: the first 3 bands represent significant digits, the 4th band is the multiplier, and the 5th band is the tolerance.

Science & Engineering

Resistor Color Code Calculator

Easily determine the exact resistance and tolerance of axial electronic resistors. Choose between 4-band, 5-band, or 6-band configurations, select your colors, and see an interactive live graphical preview of the resistor component.

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Resistor Color Code Calculator

Physical science, electrical circuits, acoustics, and atomic data exploration.

4-Band Resistor Color Selector

Band 1 (1st Digit)

Band 2 (2nd Digit)

Multiplier (Band 3)

Tolerance (Band 4)

Resistance Value

Nominal Resistance

4.70 kΩ

Tolerance: ±5%

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How to Use Resistor Color Code Calculator

Select Number of Bands

Choose 4-band (standard), 5-band (high precision), or 6-band (includes temperature coefficient).

Select Color Bands

Click color swatches for each band position from left to right.

Read Resistance Value

Instantly view total resistance in Ω, kΩ, or MΩ along with tolerance range (±5%, ±1%, etc.).

About Resistor Color Code Calculator

Resistor color coding was established to print readable values on cylindrical electronic components too small for numerical text stamping. The standard follows the mnemonic 'Black Brown Red Orange Yellow Green Blue Violet Gray White', representing numerical digits 0 through 9.

Key Features

Interactive SVG graphical resistor that updates colors live
Supports 4-band, 5-band, and 6-band standard IEC 60062 color codes
Calculates maximum and minimum resistance based on tolerance rating
Reverse mode: enter desired resistance value to generate the correct color sequence
Includes standard E-series (E12, E24, E96) standard preferred values

Frequently Asked Questions

Look for the metallic gold or silver tolerance band (or a larger gap before the final band). That band is always placed on the far right; read from the opposite side starting on the left.

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