an Acre


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    Gang Chen (Edited )

    This is a good tip.

    Another way to remember it is 7/11: 4+3=7, 5+6=11, 1 acre = 43560 sf. I learned this trick form Rick Grandy, the managing principal in Nadel Architects, Inc,  when I was working there many years ago.

    Gang Chen, Author, Architect, LEED AP BD+C (

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