How to Measure Arm Circumference

By Bob Dobbs

Measuring arm circumference is a good way to keep track of progress during weight training or dieting. It is a simple process, and therefore can be done quite often. It is also a necessary task if you wish to tailor a shirt or jacket.

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Measure Arm Circumference

Step 1

Wrap a tape measure tightly around your relaxed bicep, and record the measurement.

Step 2

Flex your bicep and tightly wrap the tape measure around your flexed bicep. Record the measurement.

Step 3

Wrap the tape measure tightly around your forearm, about halfway between your elbow and your wrist. Record the measurement.

Step 4

Wrap the tape measure tightly around your upper arm. The tape measure should be just underneath your underarm. Record the measurement.