Abstract: An improved water meter has a meter body with an extended bottom on the periphery of which are disposed a plurality of spaced first oval holes and at the center of the meter is disposed a small round hole. To the bottom of the water meter is journalled a cone-shaped block. A round cavity is disposed at the center of the block with a plurality of spaced first oval holes defined on the periphery thereof that communicate respectively with a plurality of tilted slots on the bottom periphery of the block. A vertical mounting post is disposed at the center of the cavity. A rotation propeller having a plurality of blades and a driving shaft is engaged with the small round hole with its driving shaft and engaged with the vertical mounting shaft at the bottom end. The cone-shaped block and the water meter are journalled together with the rotation propeller housed therebetween.