Nielsen Jewelers © 2017  |  All Rights Reserved

Store Hours

Mon - Fri: 9:00 am - 5:00 pm

Tuesday: 9:00 am - 7:00 pm

Saturday: 9:00 am - 2:00 pm

​Sunday: Closed

North

American

Standard

Diameter

(inches)

Diameter

(mm)

Metric Size

(mm)

British

Equivalent

French

Equivalent

German

Equivalent

Japanese

Equivalent

Swiss

Equivalent

000

.34910.0131.41  10  
00.42610.8233.93     
0.45811.6336.44     
1/4.46611.8437.07 37   
1/2.47412.0437.70

A

3812  
3/4.48212.2438.33A 1/2 12 1/4  
1.48712.3738.95B39 1 
1 1/8.49412.5539.27  12 1/2  
1 1/4.49812.6539.58B 1/239 1/2   
1 1/2.50612.8540.21C    
1 3/4.51413.0640.84C 1/2 13  
2.52213.2641.47D41 1/213 1/421 1/2
2 1/4.53013.4642.10D 1/24213 1/2  
2 1/2.538

13.66

42.72E42 3/413 3/432 3/4
2 3/4.54613.8743.35E 1/2    
3.55414.0743.98F441444
3 1/8.55814.1744.30F 1/2    
3 1/4.56214.2744.61 44 1/214 1/4  
3 3/8.56614.3844.92G45 1/4 55 1/4
3 1/2.57014.4845.24  14 1/2  
3 5/8.57414.5845.55G 1/245 1/2 6 
3 3/4.57814.6845.87H46 1/2  6 1/2
3 7/8.58214.7846.18 4614 3/4  
4.58614.8846.49H 1/246 1/2 7 
4 1/4.59415.0947.12I4715 7 3/4
4 1/2.60215.2947.75I 1/2 15 1/48 
4 5/8.60615.3948.07J48  9
4 3/4.61015.4948.38  15 1/2  
5.61815.7049.01J 1/24915 3/49 
5 1/8.62215.8049.32K   10
5 1/4.62615.9049.64 49 1/2   
5 3/8.63016.0049.95K 1/2501610 
5 1/2.63416.1050.26L50 1/4  11 3/4
5 3/4.64216.3150.89 51   
5 7/8.64616.4151.21L 1/2    
6.65016.5151.52M52 1/216 1/21212 3/4
6 1/4.65816.7152.15M 1/2    
6 1/2.66616.9252.78N52 3/4171314
6 3/4.67417.1253.41N 1/2    
7.68217.324.03O5417 1/41415 1/4
7 1/4.69017.5354.66O 1/2 17 1/2  
7 1/2.69817.7355.29P56 1/417 3/41516 1/2
7 3/4.70617.9355.92P 1/2 18  
8.71418.1356.55Q56 1/2 1617 3/4
8 1/4.72218.3457.18Q 1/2    
8 1/2.73018.5457.80  18 1/217 
8 5/8.73418.6458.12R58  19
8 3/4.73818.7458.43  18 3/4  
8 7/8.74218.8558.75R 1/2    
9.74618.9559.06 591918 
9 1/8.75019.0559.38S   20 1/4
9 1/4.75419.1559.69     
9 3/8.75819.2560.00S 1/26019 1/4  
9 1/2.76219.3560.32   19 
9 5/8.76619.4660.63T60 1/219 1/2 21 1/2
9 3/4.77019.5660.95 61   
10.77819.7661.57T 1/2 19 3/420 
10 1/4.78619.9662.20U62 1/4202122 3/4
10 1/2.79420.1762.83U 1/2  22 
10 5/8.79820.2763.15V6320 1/4 23 3/4
10 3/4.80220.3763.46 3 1/2   
11.81020.5764.09V 1/26420 1/223 
11 1/8.81420.6764.40W64 1/2  25
11 1/4.81820.7864.72 64 3/420 3/4  
11 3/8.82220.8865.03W 1/265   
11 1/2.82620.9865.34  2124 
11 5/8.83021.0865.66X66 1/2  26 1/4
11 3/4.83421.1865.97 66   
11 7/8.83821.2866.29X 1/2 21 1/4  
12.84221.3966.60Y67 1/2 2527 1/2
12 1/4.85021.5967.23Y 1/2 21 1/2  
12 1/2.85821.7967.86Z6821 3/42628 3/4
12 3/4.86622.0068.49Z 1/268 1/222  
13.87422.2069.11 6922 1/227 
13 1/4.88222.4069.74 69 3/422 1/2  
13 1/2.89022.6170.37     
13 5/8.89422.7170.68 70 1/2   
13 3/4.89822.8170.99 71   
14.90623.0171.63 71 1/223  
14 1/8.91023.1171.94 72   
14 1/4.91423.2172.26     
14 3/8.91823.3272.57 72 1/2   
14 1/2.92223.4272.88 7323 1/2  
14 3/4.93023.6273.51 73 1/2   

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Store Address

Nielsen Jewelers

​753 Broadway Ave. Lorain, Ohio 44052

Contact Us

(440) 244-4255​​

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Nielsen Jewelers
753 BroadwayLorain, OH44052US
Phone: 440-244-4255 Website: http://www.nielsenjewelers.com/