Catholic Commentary
The Bronze Altar
1Then he made an altar of bronze, twenty cubits long, twenty cubits wide, and ten cubits high.
2 Chronicles 4:1 describes Solomon's construction of a massive bronze altar for the Temple, measuring twenty cubits long, twenty cubits wide, and ten cubits high—approximately four times larger than the portable altar used in the wilderness Tabernacle. The bronze altar's prominent placement at the beginning of the Temple furnishings account emphasizes sacrifice as the theological foundation of Israel's worship and the grid through which all other Temple practices were understood.
Solomon's bronze altar—thirty feet square, fifteen feet high—stands as God's answer to the question that haunts every human conscience: where does sacrifice for sin actually happen?
The Anagogical Sense: The Heavenly Altar
The Book of Revelation (8:3–5) speaks of an altar of incense before the throne of God in heaven, upon which the prayers of the saints are offered. The bronze altar of the Temple, standing before the dwelling of God, points the worshiper upward and forward toward this heavenly liturgy that has no end. Every sacrifice offered upon Solomon's altar was an earthly participation in a heavenly reality — a pattern that the Mass continues and perfects.
Catholic tradition uniquely illuminates this verse through the lens of sacrificial theology and Eucharistic typology. The Catechism of the Catholic Church teaches that "the sacrifice of Christ and the sacrifice of the Eucharist are one single sacrifice" (CCC 1367). The bronze altar of Solomon's Temple stands as one of Scripture's most powerful anticipations of this truth. It was the unifying center of Israel's covenant worship — the place where the people's sin was addressed, their thanksgiving expressed, and their communion with God enacted through blood and fire. In this way it foreshadows the altar of every Catholic church, upon which the one sacrifice of Calvary is made present in an unbloody manner.
Pope Benedict XVI, in The Spirit of the Liturgy (2000), emphasized that the altar is not merely functional furniture but a theological statement: it declares that Christian worship is sacrificial in nature. The placement of the bronze altar before all other furnishings in the Chronicler's account mirrors the centrality the Church gives to the altar in sacred architecture — the liturgical east, the focal point of the entire assembly.
St. Thomas Aquinas, in the Summa Theologica (I-II, Q. 102, Art. 4), treats the altar of the Old Law as a figure of Christ, noting that the fire which consumed the sacrifices represented the divine love which consumed the humanity of Christ in his Passion. The bronze, which does not melt even in fire, speaks to the divinity that sustained Christ through death and opened the way to resurrection.
For the contemporary Catholic, this verse issues a pointed challenge about how we approach the altar at Mass. The bronze altar's commanding dimensions — overwhelming in scale, impossible to miss, demanding attention before entering the sanctuary — stand in sharp contrast to the often casual and distracted manner in which modern Catholics approach the Eucharistic liturgy. The Chronicler's deliberate placement of the altar first among all Temple furnishings invites us to ask: Is the altar truly first in our experience of worship? Do we arrive at Mass with the awareness that we are approaching a place of sacrifice — not merely a community gathering?
Practically, a Catholic might cultivate the habit of pausing before entering the church, making an intentional act of recollection: I am about to enter the place where the sacrifice of Calvary is made present. The ancient practice of a reverent genuflection toward the tabernacle or a profound bow toward the altar before taking one's seat recovers something of the awe that Solomon's massive bronze altar would have inspired in every Israelite who ascended to Jerusalem. The altar is not furniture. It is the center of the world.
Commentary
2 Chronicles 4:1 — Literal and Narrative Meaning
"Then he made an altar of bronze, twenty cubits long, twenty cubits wide, and ten cubits high."
This single verse opens the Chronicler's detailed account of the Temple furnishings, and it is significant that the bronze altar stands first in the list. Before any mention of the great bronze sea, the lampstands, or the tables of showbread, the reader's eye is drawn to the altar. This ordering is theologically deliberate: sacrifice is the foundation upon which all other aspects of Israel's worship rest.
The Material: Bronze
Bronze (or more precisely, cast copper alloy) was the prescribed material for the altar of burnt offering, traceable directly to the instructions Moses received on Sinai (Exodus 27:1–8; 38:1–7). The Mosaic altar was considerably smaller — five cubits square and three cubits high — and was portable, suited to the wilderness Tabernacle. Solomon's altar, by contrast, is a monument of permanence and power. The choice of bronze rather than gold is not incidental: bronze was associated in the ancient Near East with strength, endurance, and judgment. It could withstand the consuming fire that would burn upon it continually.
The Dimensions: Twenty by Twenty by Ten Cubits
A cubit is approximately 18 inches (45 cm), placing this altar at roughly 30 feet wide, 30 feet long, and 15 feet high — a structure of extraordinary scale. Its footprint alone was four times larger than the Mosaic altar. The square plan mirrors the perfect proportions of the Holy of Holies (2 Chronicles 3:8), suggesting a visual and theological correspondence: the place of sacrifice outside corresponds in form to the place of God's presence within. The height of ten cubits would have necessitated a ramp or stairway for the priests, consistent with rabbinic tradition and the prohibition against steps leading to the altar (Exodus 20:26), which later tradition resolved through a graduated ramp on the south face.
The Typological Sense: The Altar as the Cross
The Church Fathers and medieval theologians consistently read the bronze altar of the Temple as a type of the Cross of Christ. Just as every burnt offering, sin offering, and peace offering of Israel was consumed upon this bronze altar — ascending as fragrant smoke toward heaven — so the one sacrifice of Christ upon the wood of the Cross fulfilled, surpassed, and brought to an end the entire sacrificial system it foreshadowed. St. Cyprian of Carthage, writing in the third century, speaks of Christ as both priest and victim, unifying in one Person what the Temple separated: the priest who offered and the sacrifice offered. The massive scale of Solomon's altar suggests the inexhaustible adequacy of what it prefigured: a sacrifice sufficient for all sin, for all time, for all peoples.