Refrigeration pipe size conversion

Inches	mm.	Inches	mm.	Inches	mm.	Inches	mm.	Inches	mm.
-	-	1	25.4	2	50.8	3	76.2	4	101.6
1/8	3.2	1 1/8	28.6	2 1/8	54.0	3 1/8	79.4	4 1/8	104.8
1/4	6.4	1 1/4	31.8	2 1/4	57.2	3 1/4	82.6	4 1/4	108.8
3/8	9.5	1 3/8	34.9	2 3/8	60.3	3 3/8	85.7	4 3/8	111.1
1/2	12.7	1 1/2	38.1	2 1/2	63.5	3 1/2	88.9	4 1/2	114.3
5/8	15.9	1 5/8	41.3	2 5/8	66.7	3 5/8	92.1	4 5/8	117.5
3/4	19.0	1 3/4	44.4	2 3/4	69.8	3 3/4	95.2	4 3/4	120.6
7/8	22.2	1 7/8	47.6	2 7/8	73.0	3 7/8	98.4	4 7/8	123.8

GI Sheet Weight Calculation

Gauge	Galvanized Steel
	Gauge Decimal	Kg. per Sheet .
30	0.016	8.0
29	0.017	8.8
28	0.019	9.5
27	0.02	10.3
26	0.022	11.1
25	0.025	12.6
24	0.028	14.1
23	0.031	15.6
22	0.034	17.2
21	0.037	18.7
20	0.04	20.2
19	0.046	23.3
18	0.052	26.3
17	0.058	29.4
16	0.064	32.4
15	0.071	36.2
14	0.079	40.0
13	0.093	47.7
12	0.108	55.3
11	0.123	62.9
10	0.138	70.5
9	0.153	78.2
8	0.168	85.8