Not a clue what 650 cm liquid is.
650 cm is a length that converts to 21 feet 3.9 inches
Can't be done. cm is length and gm is weight. In English units, it would be like asking how to convert inches to ounces. Can't be done. cm is length and gm is weight. In English units, it would be like asking how to convert inches to ounces.
Multiply the velocity in cm/s by the cross section area of the flow in sq cm.
6.5
6.5m there is 100cm in 1m
There are 30.48 cm to a foot, so divide by 30.48 to convert the measurement made in cm into feet.
650 cm = 255.905"
650 cm is 21.33 feet.
About 21.3 feet.
650 cm is about 21 ft 3.91 inches.
You cannot convert liquid to length.
Can't be done. cm is length and gm is weight. In English units, it would be like asking how to convert inches to ounces. Can't be done. cm is length and gm is weight. In English units, it would be like asking how to convert inches to ounces.
Multiply the velocity in cm/s by the cross section area of the flow in sq cm.
6.5
To the extent it's possible to convert your question into English, it's nonsensical. 1 cubic centimeter is one cubic centimeter, and it cannot be converted to cm.
65 cm is 650 mm
65 cm = 650 mm
1 in = 2.5 cm (exactly) 1 mile = 63360 in = 63360 x 2.54 cm = 160934.4 cm → to convert miles to cm multiply by 160934.4 → to convert cm to miles divide by 160934.4