Rebar compactness? how thick is a #4 rebar

how thick is a #4 rebar
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Answers:    1/2" (12.7 mm)
this connect includes a chart of all the sizes
http://www.answers.com/topic/rebar?cat=t...
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# 4 rebar is 1/2 inch , If you want to clear it easier for you to remember , each number ( # ) is equal to 1/8 , so # 2 would be 1/4 inch and # 3 would be 3/8 and so on .
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