Decimal Equivalent In Inches

Dia.	Decimal Equiv.	Dia.	Decimal Equiv.	Dia.	Decimal Equiv.	Dia.	Decimal Equiv.	Dia.	Decimal Equiv.
1/64	.0156	7/32	.2188	27/64	.4219	5/8	.6250	53/64	.8281
1/32	.0312	15/64	.2344	7/16	.4375	41/64	.6406	27/32	.8438
3/64	.0469	1/4	.2500	29/64	.4531	21/32	.6562	55/64	.8594
1/16	.0625	17/64	.2656	15/32	.4688	43/64	.6719	7/8	.8750
5/64	.0781	9/32	.2812	31/64	.4844	11/16	.6875	57/64	.8906
3/32	.0938	19/64	.2969	1/2	.5000	45/64	.7031	29/32	.9062
7/64	.1094	5/16	.3125	33/64	.5156	23/32	.7188	59/64	.9219
1/8	.1250	21/64	.3281	17/32	.5312	47/64	.7344	15/16	.9375
9/64	.1406	11/32	.3438	35/64	.5469	3/4	.7500	61/64	.9531
5/32	.1562	23/64	.3594	9/16	.5625	49/64	.7656	31/32	.9688
11/64	.1719	3/8	.3750	37/64	.5781	25/32	.7812	63/64	.9844
3/16	.1875	25/64	.3906	19/32	.5938	51/64	.7969	1	1.0000
13/64	.2031	13/32	.4062	39/64	.6094	13/16	.8125

Decimal Equivalent Metric Sizes

Dia.	Decimal Equiv.	Dia.	Decimal Equiv.	Dia.	Decimal Equiv.	Dia.	Decimal Equiv.	Dia.	Decimal Equiv.
.35mm	.0138	2.00mm	.0787	4.40mm	.1732	7.20mm	.2835	9.90mm	.3898
.40mm	.0158	2.05mm	.0807	4.50mm	.1772	7.25mm	.2854	10.0mm	.3937
.45mm	.0177	2.10mm	.0827	4.60mm	.1811	7.30mm	.2874	10.5mm	.4134
.50mm	.0197	2.15mm	.0846	4.70mm	.1850	7.40mm	.2913	11.0mm	.4331
.55mm	.0217	2.20mm	.0866	4.75mm	.1870	7.50mm	.2953	11.5mm	.4528
.60mm	.0236	2.25mm	.0886	4.80mm	.1890	7.60mm	.2992	12.0mm	.4724
.65mm	.0256	2.30mm	.0906	4.90mm	.1929	7.70mm	.3031	12.5mm	.4921
.70mm	.0276	2.35mm	.0925	5.00mm	.1969	7.75mm	.3051	13.0mm	.5118
.75mm	.0295	2.40mm	.0945	5.10mm	.2008	7.80mm	.3071	13.5mm	.5315
.80mm	.0315	2.45mm	.0965	5.20mm	.2047	7.90mm	.3110	14.0mm	.5512
.85mm	.0335	2.50mm	.0984	5.25mm	.2067	8.00mm	.3150	14.5mm	.5709
.90mm	.0354	2.60mm	.1024	5.30mm	.2087	8.10mm	.3189	15.0mm	.5906
.95mm	.0374	2.70mm	.1063	5.40mm	.2126	8.20mm	.3228	15.5mm	.6102
1.00mm	.0394	2.75mm	.1083	5.50mm	.2165	8.25mm	.3248	16.0mm	.6299
1.05mm	.0413	2.80mm	.1102	5.60mm	.2205	8.30mm	.3268	16.5mm	.6496
1.10mm	.0433	2.90mm	.1142	5.70mm	.2244	8.40mm	.3307	17.0mm	.6693
1.15mm	.0453	3.00mm	.1181	5.75mm	.2264	8.50mm	.3346	17.5mm	.6890
1.20mm	.0472	3.10mm	.1220	5.80mm	.2283	8.60mm	.3386	18.0mm	.7087
1.25mm	.0492	3.20mm	.1260	5.90mm	.2323	8.70mm	.3425	18.5mm	.7283
1.30mm	.0512	3.25mm	.1280	6.00mm	.2362	8.75mm	.3445	19.0mm	.7480
1.35mm	.0531	3.30mm	.1299	6.10mm	.2402	8.80mm	.3465	19.5mm	.7677
1.40mm	.0551	3.40mm	.1339	6.20mm	.2441	8.90mm	.3504	20.0mm	.7874
1.45mm	.0571	3.50mm	.1378	6.25mm	.2461	9.00mm	.3543	20.5mm	.8071
1.50mm	.0591	3.60mm	.1417	6.30mm	.2480	9.10mm	.3583	21.0mm	.8268
1.55mm	.0610	3.70mm	.1457	6.40mm	.2520	9.20mm	.3622	21.5mm	.8465
1.60mm	.0630	3.75mm	.1476	6.50mm	.2559	9.25mm	.3642	22.0mm	.8661
1.65mm	.0650	3.80mm	.1496	6.60mm	.2598	9.30mm	.3661	22.5mm	.8858
1.70mm	.0669	3.90mm	.1535	6.70mm	.2638	9.40mm	.3701	23.0mm	.9055
1.75mm	.0689	4.00mm	.1575	6.75mm	.2657	9.50mm	.3740	23.5mm	.9252
1.80mm	.0709	4.10mm	.1614	6.80mm	.2677	9.60mm	.3780	24.0mm	.9449
1.85mm	.0728	4.20mm	.1654	6.90mm	.2717	9.70mm	.3819	24.5mm	.9646
1.90mm	.0748	4.25mm	.1673	7.00mm	.2756	9.75mm	.3839	25.0mm	.9843
1.95mm	.0768	4.30mm	.1693	7.10mm	.2795	9.80mm	.3858

Decimal Equivalent - Wire Sizes

Dia.	Decimal Equiv.	Dia.	Decimal Equiv.	Dia.	Decimal Equiv.	Dia.	Decimal Equiv.	Dia.	Decimal Equiv.
No. 80	.0135	No. 64	.0360	No. 48	.0760	No. 32	.1160	No. 16	.1770
No. 79	.0145	No. 63	.0370	No. 47	.0785	No. 31	.1200	No. 15	.1800
No. 78	.0160	No. 62	.0380	No. 46	.0810	No. 30	.1285	No. 14	.1820
No. 77	.0180	No. 61	.0390	No. 45	.0820	No. 29	.1360	No. 13	.1850
No. 76	.0200	No. 60	.0400	No. 44	.0860	No. 28	.1405	No. 12	.1890
No. 75	.0210	No. 59	.0410	No. 43	.0890	No. 27	.1440	No. 11	.1910
No. 74	.0225	No. 58	.0420	No. 42	.0935	No. 26	.1470	No. 10	.1935
No. 73	.0240	No. 57	.0430	No. 41	.0960	No. 25	Print Page