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Resistor Colour Code Calculator
The Resistor Colour Code |
Colour | Number |
Black | 0 |
Brown | 1 |
Red | 2 |
Orange | 3 |
Yellow | 4 |
Green | 5 |
Blue | 6 |
Violet | 7 |
Grey | 8 |
White | 9 |
The Resistor Colour Code Calculator can be used to identify resistors.
It consists of three card discs showing the colours and values, these are
fastened together so you can simply turn the discs to select the value or
colour code required. Simple but effective!
There are two versions to download and print on A4 white card (two per sheet):
- Coloured (for a colour printer)
- Black and White (for a black only printer)
This version must be coloured manually, it is easiest to do this before cutting out.
To make the calculator, carefully cut out the three discs and fasten them together
with a small brass paper fastener.
The calculator design is copyright but it may be freely copied for educational purposes.
The Resistor Colour Code Calculator is supplied as a PDF file.
To view and print PDF files you need an Acrobat Reader which may be downloaded free for
Windows,
Mac,
RISC OS,
or UNIX/Linux
computers.
If you are not sure which type of computer you have it is probably Windows.
Return to the Resistors page
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