Diameter9 tenths m
18.8Dominoes
1.1 hundredthsOlympic straights
3.6Tambourine diameters
Photo from Wikimedia Commons
Spartan Aspis Shield
The bronze-faced hoplon carried by Spartan warriors/Historical Weapons
The aspis (also called hoplon) was a large, round, concave shield made of wood and faced with a thin sheet of bronze. Spartans famously marked theirs with the Greek letter lambda. The shield was heavy enough to be used as a weapon in close combat.
Measurements
Depth (concavity)1 tenths m
2.9 millionthsBermuda lengths
6.7 hundredthsBathtub lengths
Mass7.3 kg
3.3 thousandthsRhinoceroses
14.6 billionParamecia
35.8 millionthsStatues of Liberty
Bronze facing thickness500 millionths m
924 billionthsOne World Trade Centers
4.8 millionthsSoccer pitches
2.1 hundredthsQuarters
Wood core thickness2 hundredths m
3.3 thousandthsBoxing ring sides
8 thousandthsSunflower heights
1.1 trillionthsLight-minutes