Measuring Penis Length. Position a ruler or measuring tape at the base of the erect penis, where it attaches to the body. Press into the pubic bone as far as you can, until you contact the bone. This is especially important if there's a lot of belly fat. Measure from the base to the end of the tip.
Learn the right way to measure your penis (and why it matters) with this guide to how to measure your penis the way medical researchers do.
To measure your penis, first gather a ruler or tape measure. Place the end of the ruler or tape measure against the top of the