Weight of 18 Fluid Ounces of Water

How heavy is 18 fluid ounces of water? How much does 18 fl. oz of water weigh?
Amount
Unit
18 Fluid Ounces of Water Weighs
1.171 pounds
1 pounds, 2.74 ounces
18.74 ounces
531.4 grams
rounded to 4 digits
assuming water at 20° Celsius
Note on Units
This calculator uses United States customary units which are different from the Imperial units used in the United Kingdom.
Density of Water
This calculator uses the density of water at 20° Celsius, which is 0.9982071 grams per cubic centimeter. The weight of a certain volume of water could vary slightly depending on the temperature.
Nearby Values
Fluid Ounces Ounces Grams
18.00 18.74 531.4
18.05 18.80 532.8
18.10 18.85 534.3
18.15 18.90 535.8
18.20 18.95 537.3
18.25 19.00 538.7
18.30 19.06 540.2
Fluid Ounces Ounces Grams
18.35 19.11 541.7
18.40 19.16 543.2
18.45 19.21 544.7
18.50 19.26 546.1
18.55 19.32 547.6
18.60 19.37 549.1
18.65 19.42 550.6
Fluid Ounces Ounces Grams
18.70 19.47 552.0
18.75 19.52 553.5
18.80 19.58 555.0
18.85 19.63 556.5
18.90 19.68 557.9
18.95 19.73 559.4