Using this hand made point size measure the point size (size of the type) can be easily worked out, across the top of set point sizes ranging from 6pt to 14pt increasing in multiples of 1/2 pts. Overlaying this guide over the type using the scale the type size can be calculated. For example, as shown above, the type fits exactly into the 9pt range and has a reading of 6, there doing the calculation of 6 x 9pt works out the exact point size which is 54pt type. Leading also known as line spacing, the space between each line can also be calculated using this guide. Simply measuring the space between the lines using the same method as previously stated calculates the leading. The line space is the distance from the descender on the current line to ascender on the following line.
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