1m 78cm
Boys: 31 inches (78cm) Girls: 30 inches (76cm)
78cm is approximately 2 feet 6¾ inches.
6 metres and 78cm
78 centimeters is 0.78 meter.
1cm = 10mm so 780mm = 780/10 = 78cm
1 metre 78cm
2.54 cm = 1 inch 77 divided by 2.54 = 30.31496 inches 12 inches = 1 foot 30.31496 inches divided 12 = 2.5262466 feet = 2 feet 5 inches
1m 78cm = 5' 10.1"
The exact length doesn't matter, for example 75cm versus 78cm but it should hit your child at around the chest if he/she is very yong and a beginner around the chin if he/she is a little bit older/better.
13 by 6
48cm x 78cm is 3744 square cm or 4.03 square feet.