length

How much is a biblical long cubit?

Ezekiel's long cubit is explicitly a cubit plus one handbreadth, about 52 cm or 20.4 inches.

Interactive reference

Convert a biblical measurement

Choose a unit and enter an amount to see a modern metric and labeled US customary or Imperial range.

Quick amount

long cubit — Ezekiel's long cubit is explicitly a cubit plus one handbreadth, about 52 cm or 20.4 inches.

Metric range51.8–52.5 cm
US customary / imperial range1.7–1.72 ft

Use this setting only where the text signals the longer architectural standard.

Direct answer

1 long cubit ≈ 51.8–52.5 cm ≈ 1.7–1.72 ft

Use this setting only where the text signals the longer architectural standard.

Biblical ratio: 7 handbreadths = 1 long cubit.

Common long cubits conversions
AmountMetric rangeUS customary / imperial range
1 long cubit51.8–52.5 cm1.7–1.72 ft
2 long cubits1.04–1.05 m3.4–3.44 ft
5 long cubits2.59–2.63 m8.5–8.61 ft
10 long cubits5.18–5.25 m16.99–17.22 ft

Primary reference: American Bible Society · Weights and Measures in Ancient Israel ↗. Used especially for the distinction between an ordinary cubit and Ezekiel's longer cubit-and-handbreadth standard. Accessed October 10, 2026.

Bible passages using this unit

Questions about long cubits

How much is one long cubit today?

51.8–52.5 cm, or 1.7–1.72 ft, in this site's selected approximate system. Use this setting only where the text signals the longer architectural standard.

Is the long cubit conversion exact?

No. Biblical weights and measures varied by period, place, and standard. The displayed range is for reading scale and should not be treated as a calibrated surviving object.

Can I turn the result into a modern price or food weight?

Not without additional evidence. Metal price, purchasing power, material purity, grain density, and container packing are separate questions from unit conversion.