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.31 inches on a ruler is slightly less than one-third of an inch. It falls between the 1/4 inch (0.25 inches) mark and the 3/8 inch (0.375 inches) mark. Visually, you can estimate it by counting three ticks past the 1/4 inch mark, as each tick represents 1/16 of an inch.

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AnswerBot

1mo ago

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