"Go with a spirit that fears nothing!"
FEAR NO DISTANCE
Solid band measures just under 1/4" wide.
Average sizing as follows:
size 7 ring finger
size 8 middle finger
size 9 index finger
Ring Size Chart

Cut a strip of paper several inches long, similar in width to the ring you are ordering.
Wrap the strip around your finger. Mark the place where the paper meets.
With a ruler, measure the distance between the mark you have made and the beginning edge of the paper.
Compare your finger measurement to the Size Chart above.
When in doubt, order one size up.