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.

American Standard Version
from thirty years old and upward even until fifty years old, all that enter upon the service, to do the work in the tent of meeting.

Berean Study Bible
men from thirty to fifty years old—everyone who is qualified to serve in the work at the Tent of Meeting.

Douay-Rheims Bible
From thirty years old and upward, to fifty years old, of all that go in to stand and to minister in the tabernacle of the covenant.

English Revised Version
from thirty years old and upward even until fifty years old, all that enter upon the service, to do the work in the tent of meeting.

King James Bible
From thirty years old and upward even until fifty years old, all that enter into the host, to do the work in the tabernacle of the congregation.

World English Bible
from thirty years old and upward even until fifty years old, all who enter into the service, to do the work in the Tent of Meeting.

Young's Literal Translation
from a son of thirty years and upward, even till a son of fifty years, every one going in to the host, to do work in the tent of meeting.

Numbers 4:3 Additional Translations ...