Convert 18 Ounces to Cups

How big is 18 ounces? What is 18 ounces in cups? 18 fl oz to cups conversion.
18 Ounces =
2.25 Cups
(exact result)
A U.S. fluid ounce is 1/128th of a U.S. gallon. It is not the same as an ounce of weight or an Imperial fluid ounce.
A U.S. cup is a unit of volume equal to 1/16th of a U.S. gallon, or about 236 milliliters.
Ounces to Cups Conversions
(some results rounded)
fl oz cups
18.00 2.25
18.01 2.2513
18.02 2.2525
18.03 2.2538
18.04 2.255
18.05 2.2563
18.06 2.2575
18.07 2.2588
18.08 2.26
18.09 2.2613
18.10 2.2625
18.11 2.2638
18.12 2.265
18.13 2.2663
18.14 2.2675
18.15 2.2688
18.16 2.27
18.17 2.2713
18.18 2.2725
18.19 2.2738
18.20 2.275
18.21 2.2763
18.22 2.2775
18.23 2.2788
18.24 2.28
fl oz cups
18.25 2.2813
18.26 2.2825
18.27 2.2838
18.28 2.285
18.29 2.2863
18.30 2.2875
18.31 2.2888
18.32 2.29
18.33 2.2913
18.34 2.2925
18.35 2.2938
18.36 2.295
18.37 2.2963
18.38 2.2975
18.39 2.2988
18.40 2.3
18.41 2.3013
18.42 2.3025
18.43 2.3038
18.44 2.305
18.45 2.3063
18.46 2.3075
18.47 2.3088
18.48 2.31
18.49 2.3113
fl oz cups
18.50 2.3125
18.51 2.3138
18.52 2.315
18.53 2.3163
18.54 2.3175
18.55 2.3188
18.56 2.32
18.57 2.3213
18.58 2.3225
18.59 2.3238
18.60 2.325
18.61 2.3263
18.62 2.3275
18.63 2.3288
18.64 2.33
18.65 2.3313
18.66 2.3325
18.67 2.3338
18.68 2.335
18.69 2.3363
18.70 2.3375
18.71 2.3388
18.72 2.34
18.73 2.3413
18.74 2.3425
fl oz cups
18.75 2.3438
18.76 2.345
18.77 2.3463
18.78 2.3475
18.79 2.3488
18.80 2.35
18.81 2.3513
18.82 2.3525
18.83 2.3538
18.84 2.355
18.85 2.3563
18.86 2.3575
18.87 2.3588
18.88 2.36
18.89 2.3613
18.90 2.3625
18.91 2.3638
18.92 2.365
18.93 2.3663
18.94 2.3675
18.95 2.3688
18.96 2.37
18.97 2.3713
18.98 2.3725
18.99 2.3738