Stand barefoot against a flat wall on a level floor
Remove shoes, hats, and bulky hair accessories
Keep your heels, back, and head touching the wall
Look straight ahead with your chin level
Place a flat object on your head and mark the wall at the top
Measure from the floor to the mark with a tape measure or ruler
Use a measuring tape, stadiometer, or height chart if available
Ask someone else to help for a more accurate measurement
Measure at the same time of day for consistency
Compare the result with your previous measurements if needed