UTM Zone

Enter the UTM zone number in which you are performing the transformation.

For the UTM projection, the earth is divided in to 60 zones each of extending 6° in longitude and 3° either side of the central meridian. The zone numbering starts at 180° (the dateline) and continues round the earth in the easterly direction. The program requires Longitudes West of the Greenwich meridian, to be negative values. 

Zone	Central Meridian	Zone	Central Meridian	Zone	Central Meridian
1	-177	21	-57	41	63
2	-171	22	-51	42	69
3	-165	23	-45	43	75
4	-159	24	-39	44	81
5	-153	25	-33	45	87
6	-147	26	-27	46	93
7	-141	27	-21	47	99
8	-135	28	-15	48	105
9	-129	29	-9	49	111
10	-123	30	-3	50	117
11	-117	31	3	51	123
12	-111	32	9	52	129
13	-105	33	15	53	135
14	-99	34	21	54	141
15	-93	35	27	55	147
16	-87	36	33	56	153
17	-81	37	39	57	159
18	-75	38	45	58	165
19	-69	39	51	59	171
20	-63	40	57	60	177