These terms derive originally from the containers used, which held a fixed amount. There is some uncertainty about the capacity of the bath, and therefore of other liquid measures dependent upon it. Measures are given in ascending order, with their approximate imperial and metric equivalents.

Leviticus 14:10

Log (1/72 bath): about 1/2 pint (about 0.3 litre)

See also

Leviticus 14:12-18,21-22

This is the only mention in Scripture of the log, as a measure of oil used in the ritual for cleansing infectious skin diseases.

Exodus 29:38-41

Hin (1/6 bath): about 7 pints (about 4 litres)

See also

Leviticus 23:12-13

The hin was used as a measure of oil, wine and water.

Numbers 15:4-10
Ezekiel 4:11; 46:5-7
Ezekiel 45:11

Bath (1 ephah): about 5 gallons (about 22 litres)

See also

1 Kings 5:11; 7:38

The bath was the equivalent liquid measure of the ephah, and was used to measure oil, wine and water.

2 Chronicles 2:10
Ezra 7:21-22
Isaiah 5:10
Ezekiel 45:14
Luke 16:6
John 2:6

The measure translated as "eight hundred gallons" is "one hundred batous" in the original ("batos" being the Greek form of the Hebrew "bath")

See also

The measure translated as "twenty to thirty gallons" is "two to three metretas" in the original, a Greek measure roughly equivalent to the bath.

4293 water
4490 ointment
4544 wine