In the standard game, the dartboard is hung so that the bullseye is 5 feet 8 inches (172.72 cm) from the floor, eye-level for a 6-foot (180 cm) person. The oche —the line behind which the throwing player must stand—is generally 7 feet 9 1.4 inches (236.86 cm) from the face of the dartboard measured horizontally. Another recognised way of dartboard / oche dimensions is as thus... set up the dartboard on a solid wall so that the distance from the floor to the centre of the bullseye (in the centre of the dartboard) is 68 inches (172.72 cm), then measuring again from the centre of the bullseye in a diagonal manner, measure 115.41 inches (293.14 cm) from the bullseye to the rear of the oche and this will ensure true and accurate allround dimensions, provided the floor is horizontal and the walls are plumb.

 

An alternate means of measuring the distance from the bullseye to the far side of the oche or throwing line. It is 93.249 inches (236.85 cm) from the rear of the oche to a plumb line hanging (right angle) from the bulls eye. This figure is calculated using Pythagorean theorem, a² + b² = c². This is the recognized world standard as set by the World Darts Federation and is used in most areas.

 

The London 5 board or narrow 5s board set up is slightly different from the standard board. The height is set at 5 feet 6 inches (1.68 m) to the centre of the bull and the oche is at 9 feet (2.74 m) from the face of the board.

 

 

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