Gallons to Cups Conversion | How many cups in a gallon?

There are 16 cups in a gallon in US and 18.18 metric cups in a gallon in UK. To find out how many cups there are in "x" gallons, multiply the number of gallons "x" by 16 for US and by 18.18 for UK.

To convert gallons to cups you may also use the conversion tool below. Simply enter the volume in gallons into the converter and the result will be displayed. You may also check the gallons to cups conversion table and create your own custom table.

1 Gallon [Fluid, US] = 16 Cups [US]
1 Gallon [Dry, US] = 18.618355 Cups [US]
1 Gallon [UK] = 18.18436 Cups [Metric]

There are 16 cups in a gallon, because from the largest to the smallest units from gallon to cup, there are 4 quarts in a gallon, 2 pints in a quart and 2 cups in each pint, that makes 4 * 2 * 2 = 16 cups in a gallon.

Gallon is an imperial and US customary volume measurement unit. 1 US fluid gallon is 3.785 liters, 1 US dry gallon is 4.4 liters and 1 imperial (UK) gallon is 4.546 liters. The abbreviation for gallon is "gal".

Cup is a volume unit. The imperial and the Canadian cups are no longer in use and replaced by metric cups (250 mL). There are 16 cups in a US liquid gallon and about 18.5 cups in a US dry gallon. There are 18.2 metric cups and 16 imperial cups (284 mL) in an imperial gallon (4546 mL). The abbreviation for cup is "c".

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Conversion Table [US, Fluid]

Gallon	Cup	Gallon	Cup	Gallon	Cup	Gallon	Cup
1	16	26	416	51	816	76	1216
2	32	27	432	52	832	77	1232
3	48	28	448	53	848	78	1248
4	64	29	464	54	864	79	1264
5	80	30	480	55	880	80	1280
6	96	31	496	56	896	81	1296
7	112	32	512	57	912	82	1312
8	128	33	528	58	928	83	1328
9	144	34	544	59	944	84	1344
10	160	35	560	60	960	85	1360
11	176	36	576	61	976	86	1376
12	192	37	592	62	992	87	1392
13	208	38	608	63	1008	88	1408
14	224	39	624	64	1024	89	1424
15	240	40	640	65	1040	90	1440
16	256	41	656	66	1056	100	1600
17	272	42	672	67	1072	125	2000
18	288	43	688	68	1088	150	2400
19	304	44	704	69	1104	175	2800
20	320	45	720	70	1120	200	3200
21	336	46	736	71	1136	250	4000
22	352	47	752	72	1152	300	4800
23	368	48	768	73	1168	500	8000
24	384	49	784	74	1184	750	12000
25	400	50	800	75	1200	1000	16000