4 ms·If you are an adult, a meter stick is attached to your shoulder - just extend it.by gvb 7y agoIf you are an adult, a meter stick is attached to your shoulder - just extend it.nicoburns 7y agoBeing pedantic, arm lengths vary from ~60cm to ~90cm. So not quite / only if you're a very large human!projektfu 7y agoThankfully, in the US the recommended distance is only 6 feet (1.8m) :)