Revelation 21:15

And he that talked with me had a golden reed to measure the city, and the gates thereof, and the wall thereof.

Cross-reference

In Revelation 11:1, a measuring rod is given to measure God’s temple — the same instrument used here to measure the entire New Jerusalem.

Revelation 11:2 excludes the outer court from measurement, whereas here the whole city is measured — a contrast in scope but same measuring imagery.

Zechariah 2:1 shows a man with a measuring line to survey Jerusalem — the same symbolic action used to measure the future city here.

In Ezekiel 40:3, a man with a bronze appearance holds a measuring rod to measure the temple—prefiguring the angel with a golden rod measuring the New Jerusalem.

Zechariah 2:2 features a man with a measuring line to measure Jerusalem—a direct OT parallel to the angel measuring the New Jerusalem.