Note: Full-res version HERE in case you're not into squinting, which you shouldn't be because it makes you look like you're trying to not shitting your pants.
This is a chart comparing the height of different DC Comics superheroes. Is it accurate? I'm the wrong person to ask. But I do know that the original Robin (Dick Grayson) was at least 5'10" once he was all grown up. Is this him when he was younger, or a different incarnation of Robin (i.e. Damian Wayne)? Because I guarantee there was a time in Batman's life when he was less than 20-inches tall and weighed ten pounds. Everything is relative. Now let's kiss until our tongues bruise. "What?!" I said I'm six-foot one.