Here you go.
http://www.vehicle-bolt-patter...reference-guide.html
And assuming that your 4-lug hub or drum is a Volkswagen, then those are 4X130, the 130 comes from an imaginary circle through the center of the bolts.
So a chevy 5X115mm pattern is a 4.527" circle
And a 5X120.7mm pattern is a 4.75" circle