King James Version
From thirty years old and upward until fifty years old shalt thou number them; all that enter in to perform the service, to do the work in the tabernacle of the congregation.New International Version
Count all the men from thirty to fifty years of age who come to serve in the work at the Tent of Meeting.Catholic Public Domain Version
from thirty years and above, even to fifty years. Number all those who enter and minister in the tabernacle of the covenant