Tōdai-ji Daibutsu — history, scale and restorations in Nara

How this Buddha compares with other large Japanese Buddhas

Tōdai-ji Daibutsu sits in Nara as the principal image (the honzon) of the temple’s Great Buddha Hall. In scale it is smaller than the large, later examples that once stood in Kyoto’s Hōkō-ji (the Kyoto Daibutsu): contemporary records and Edo‑period sources give Hōkō-ji’s height as 6 jō 3 shaku (about 19 metres), while today’s Tōdai-ji Daibutsu measures about 14.7 metres. Writers of the Edo period who saw both statues reported that the Kyoto figure could look larger, while commentators such as Motoori Norinaga recorded that the Nara setting and the Daibutsuden’s proportions gave the Nara Buddha a dignified appearance despite its smaller height.

Imperial vow, timeline and scale of the project

The project began as an imperial vow: Emperor Shōmu issued a formal edict in 743 to establish a great image. Preparations at the present site in Heijō-kyō began in 745, casting began in 747 and the main casting phase was completed by late 749. A formal eye‑opening ceremony (kaigen) was held in 752, attended by the retired Emperor Shōmu, Empress Kōmyō and Empress Kōken and described in contemporary records as a vast public rite.

The mobilization was enormous: records say a cumulative total of some 2.6 million people took part in the works. Modern researchers using Heian‑period accounts have estimated the combined cost of the Daibutsu and its Great Buddha Hall at roughly 4,657 oku yen at 2010 prices.

How the bronze was cast and what went into it

Contemporary and later records preserve a detailed method for producing the enormous bronze figure. Craftsmen first built a timber armature, wrapped it with brushwood and rope and modelled a clay core. On top of that they built an outer clay mould in sections; the inscription records casting in successive stages (commonly read as eight tiers), which allowed molten metal to be poured from furnaces into the gaps between core and outer mould.

The surviving documentary detail is precise: the Shōsōin archives note the manufacture of 3,350 small metal plates (recorded as 4 sun square and 1 sun thick) used to hold and register the mould sections. The inscription’s phrase commonly read as “three years, eight times” is conventionally interpreted as casting in eight stacked segments, though the actual elapsed time of major casting was just over two years. Finishing work—recasting or patching flaws, attaching spiral hair curls, planing the surface and finally gilding—continued for several years after the public opening.

Raw materials were massive. The total copper used is reported at roughly 500 tonnes, much of it apparently sourced from mines in the west of the archipelago. Gold for gilding came from new finds and recorded gifts; a documented contribution of 900 ryō (about 13 kg) is named in the chronicles. Records also note very large quantities of mercury (given as 58,620 ryō, rendered in the documents as about 820 kg) used in gilding and vermilion processing—contemporary accounts record a significant number of poisoning cases and the setting up of a relief institution for those afflicted.

The opening ceremony and ceremonial material preserved

The 752 opening was a state‑scale religious festival. An Indian monk, Bodhisena, served as the chief officiant for the eye‑opening; the event included large clerical contingents and a programme of Buddhist lectures and musical and dance offerings drawn from Japanese, Chinese and Korean repertories. Lists of participants preserved in documentary rolls confirm the immense scale of attendance.

Objects used at the rite survive among the Shōsōin treasures: a long brush associated with the eye‑painting ritual, a length of specially prepared ink and a ceremonial cord hundreds of metres long are recorded among the items associated with the ceremony, together with masks and other items used in the performing arts presented on the day.

What survives now and the Great Buddha Hall’s form

The present seated bronze measures about 14.7 metres from base to crown; the surrounding pedestal has a perimeter of roughly 70 metres. That bronze is not wholly the original metal of the eighth century: the statue and its hall were damaged by major fires in 1180 and again in 1567 and were repaired or rebuilt multiple times. Surviving elements from the original Nara‑period work include substantial parts of the copper lotus pedestal, sections of the right flank, parts of the arms and the draped sleeves and some thigh regions; these Nara‑period fragments and the lotus‑petal engravings are valued as rare examples of early eighth‑century metalwork and painting source material.

The Great Buddha Hall that houses the image today measures 57.5 metres across the front, 50.5 metres in depth and reaches 49.1 metres to its ridge. Height and depth are close to the original building’s dimensions, but the original hall was wider—about 86 metres—so the current frontage represents roughly two‑thirds of the eighth‑century width. The hall is frequently described in modern sources as a leading example of large traditional timber architecture; twentieth‑century construction elsewhere has produced wider wooden structures, so descriptions that label the hall “the world’s largest wooden building” are more precisely stated in scholarship as referring to its timber‑framed form.

The lotus seat and its iconography

The bronze sits on a double lotus: an upper lotus and a lower counter‑flower, together presenting 28 petals (fourteen large and fourteen small). Each upper petal bears a finely incised scene. The carved scheme is complex: an upper register shows a central seated Śākyamuni flanked by twenty‑two bodhisattvas; a middle field is divided by 26 horizontal bands into 25 tiers; a lower register contains a seven‑petal lotus each holding a depiction of Mount Sumeru and the surrounding continents, with the southern continent (Jambudvīpa, the world of our human realm) placed prominently.

Scholars have long debated the textual source for these images; the designs draw on ideas from the Kegon (Avataṃsaka) corpus and other scriptures such as the Brahma Net Sutra and commentarial works. Taken as a whole, the lotus panels articulate a classical Buddhist cosmology of twenty‑six worlds (a reading adopted by several commentators) and express the tripartite scheme of the three realms (desire, form and formless), making the pedestal itself an encyclopaedic visual statement of the Daibutsu’s universal role.

Legacy, fires and reconstructions

After its completion the Daibutsu and its hall became the focus of successive restorations and reconstructions. The buildings and image were consumed or damaged by major conflagrations in 1180 and again in 1567; each time the statue and temple were re‑established with the support of political patrons. Today’s figure therefore survives as a palimpsest of eighth‑, Kamakura‑ and Edo‑period work, with the eighth‑century elements concentrated on the pedestal and selected body sections.

FAQ

How tall is the Tōdai-ji Daibutsu?

The statue’s height is about 14.7 metres and its pedestal has a perimeter of about 70 metres.

When were the casting and the opening ceremony carried out?

Casting began in 747, casting work was essentially finished by 749, and the eye‑opening ceremony (kaigen) was held in 752.

How much metal and other material were used?

Documents record roughly 500 tonnes of copper, 900 ryō (about 13 kg) of recorded gold gifts, and 58,620 ryō (about 820 kg) of mercury used in finishing.

Is any original Nara-period work still visible?

Yes — parts of the copper lotus pedestal, sections of the right flank, the arms’ hanging sleeves and some thigh areas survive from the original Nara‑period casting, while other parts were repaired in the Kamakura and Edo periods.