Rebar thickness?

Question

how thick is a #4 rebar

Answer 1

And the "lap" when splicing for continious runs is 40 bar dia. regardless of the size, unless otherwise noted.

Answer 2

#4 rebar is 1/2" in diameter. #3 rebar is 3/8", #5 is 5/8", #6 is 3/4", etc.

Answer 3

1/2" (12.7 mm)

this link includes a chart of all the sizes

http://www.answers.com/topic/rebar?cat=t...

Answer 4

# 4 rebar is 1/2 inch , If you want to make 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 .