Exodus 27:1

And thou hast made the altar of shittim wood, five cubits the length, and five cubits the breadth -- the altar is square -- and three cubits its height.

Exodus 38:1-7

And he maketh the altar of burnt-offering of shittim wood, five cubits its length, and five cubits its breadth (square), and three cubits its height;

Exodus 20:24-26

'An altar of earth thou dost make for Me, and thou hast sacrificed on it thy burnt-offerings and thy peace-offerings, thy flock and thy herd; in every place where I cause My name to be remembered I come in unto thee, and have blessed thee.

Exodus 24:4

And Moses writeth all the words of Jehovah, and riseth early in the morning, and buildeth an altar under the hill, and twelve standing pillars for the twelve tribes of Israel;

Exodus 40:10

and thou hast anointed the altar of the burnt-offering, and all its vessels, and sanctified the altar, and the altar hath been most holy;

Exodus 40:29

and the altar of the burnt-offering he hath set at the opening of the tabernacle of the tent of meeting, and causeth the burnt-offering to go up upon it, and the present, as Jehovah hath commanded Moses.

2 Samuel 24:18

And Gad cometh in unto David on that day, and saith to him, 'Go up, raise to Jehovah an altar in the threshing-floor of Araunah the Jebusite;'

2 Chronicles 4:1

And he maketh an altar of brass, twenty cubits its length, and twenty cubits its breadth, and ten cubits its height.

Ezekiel 43:13-17

And these are measures of the altar by cubits: The cubit is a cubit and a handbreadth, and the centre is a cubit, and a cubit the breadth; and its border on its edge round about is one span, and this is the upper part of the altar.

Hebrews 13:10

we have an altar, of which to eat they have no authority who the tabernacle are serving,

Treasury of Scripture Knowledge

Summary

And thou shalt make an altar of shittim wood, five cubits long, and five cubits broad; the altar shall be foursquare: and the height thereof shall be three cubits.

Bible References

Altar of shittim wood

Exodus 20:24
'An altar of earth thou dost make for Me, and thou hast sacrificed on it thy burnt-offerings and thy peace-offerings, thy flock and thy herd; in every place where I cause My name to be remembered I come in unto thee, and have blessed thee.
Exodus 24:4
And Moses writeth all the words of Jehovah, and riseth early in the morning, and buildeth an altar under the hill, and twelve standing pillars for the twelve tribes of Israel;
Exodus 38:1
And he maketh the altar of burnt-offering of shittim wood, five cubits its length, and five cubits its breadth (square), and three cubits its height;
Exodus 40:10
and thou hast anointed the altar of the burnt-offering, and all its vessels, and sanctified the altar, and the altar hath been most holy;
2 Samuel 24:18
And Gad cometh in unto David on that day, and saith to him, 'Go up, raise to Jehovah an altar in the threshing-floor of Araunah the Jebusite;'
2 Chronicles 4:1
And he maketh an altar of brass, twenty cubits its length, and twenty cubits its breadth, and ten cubits its height.
Ezekiel 43:13
And these are measures of the altar by cubits: The cubit is a cubit and a handbreadth, and the centre is a cubit, and a cubit the breadth; and its border on its edge round about is one span, and this is the upper part of the altar.
Hebrews 13:10
we have an altar, of which to eat they have no authority who the tabernacle are serving,