How tall are flamingos in a metric unit length?
The largest species of flamingo, the greater flamingo, ranges 1.1-1.5 meters, with the largest measuring 1.87 meters. The smallest species is the lesser flamingo, which is about .99 meters tall.
To determine how tall you are, you should use a tape measure or a ruler. After you've made the measurement, you can use any unit of length to write it down, remember it, and describe it to others. The best unit to use is the one that results in the most convenient number. For your height, the most convenient metric unit will be either the meter or the centimeter.