Started a thread yesterday about going from square feet to yards.... Was reading some other threads and alot suggested that, when measuring for a mulch job, to use a wheel. I've been walking the area off and "guessing" the square footage (most beds have curves, but I just walk a straight line). I've been pretty accurate on my mulch jobs this year. Others say a wheel is more accurate (which I believe). So what's the technique with using a wheel...since it measures linear feet. Like with a tree ring...or a bed thats shaped like a cartoon cloud.