Are you looking for a quick and easy way to calculate the values for resistors based on their color bands? Then you will definitely want to download this awesome DIY papercraft Resistor Value Calculator from Adafruit!
Images courtesy of Adafruit Blog.
One side of the Resistor Value Calculator helps you read 4-band types while the other side helps with 5-band types.
Special Note: Multiple download links for the PDF file (Resistor Value Calculator minus instructions) are embedded within the first paragraph of the blog post.