Which preposition to use with eights

IN Occurrences 4%

THE OLD SWORD ON THE WALL NINETY-EIGHT IN THE SHADE SUMMER

of Occurrences 4%

In this case the point of the heart, as the deer lay on his side, was barely five eights of an inch from the surface.

on Occurrences 2%

"Now," said G.F.F.F.S., "I prognosticated that my maternal relative would become oblivions of my reiterated solicitations to perambulate the Avenue, and make the acquisition of four yards of cerulean hued ribbon," and she stamped her tiny number eights on the floor.

with Occurrences 1%

A quarter of a mile above the heads of the pygmy crowd who watched him the little South American maneuvered his air-ship, turning circles and figure eights with and against the breeze, too busy with his rudder, his vibrating little engine, his shifting bags of ballast, and the great palpitating bag of yellow silk above him, to think of his triumph, though he could still hear faintly the shouts of his friends on earth.

Which preposition to use with  eights