At One Place

20 fl oz to gal

20 US fluid ounces in US gallons
20 fl oz = 0.15625 gal
gal = fl oz × 0.0078125

20 US fluid ounces is 0.15625 US gallons. To get there, multiply by 0.0078125.

Values either side

US fluid ounces near 20, converted to US gallons.
US fluid ounces US gallons
16 fl oz 0.125
17 fl oz 0.13281
18 fl oz 0.14063
19 fl oz 0.14844
20 fl oz ← 0.15625
21 fl oz 0.16406
22 fl oz 0.17188
23 fl oz 0.17969
24 fl oz 0.1875

How the conversion works

The relationship is gal = fl oz × 0.0078125. Both units measure volume, so the conversion is a fixed factor that never changes. The figure is exact rather than approximate: since the international yard and pound agreement of 1959, an inch is defined as exactly 25.4 millimetres and a pound as exactly 0.45359237 kilograms, and every other imperial and US customary unit here is derived from those two.

US gallon: US liquid gallon. The imperial gallon is about 20% larger.

Common questions

What is 20 fl oz in US gallons?
20 fl oz is 0.15625 gal.
How do you convert US fluid ounces to US gallons?
Multiply by 0.0078125.

Related pages

Sources

  1. Guide for the Use of the International System of Units (SP 811) — NIST (Public domain (US Government))
  2. The International System of Units (SI Brochure) — Bureau International des Poids et Mesures
  3. Calculated on this page — At One Place

How these figures are compiled and checked