A decameter is a rarely used term that means 10 meters. Since there are 91.44 meters in a standard 100 yard football field, there would be 9.144 decameters in that same distance.
football field
A end zone of a football field. Also a football goal, soccer goal, etc.
100 decameters
1 meter=0.1 decameters
1 kilometer = 100 decameters
729.55 centimeters is 0.72955 decameters.
9 decameters is 900 decimeters.
2 decameters = 20 meters.
700 decameters is 7,000 meters.
2 decameters = 20 meters.
5 kilometers is equivalent to 500 decameters.
3.3 kilometers = 330 decameters