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原址在此 http://www.18carat.co.uk/ringsizes.html

這是我多次比對以後, 所找到最精確的數據.  是美規的.

關於台灣的常用的所謂國際戒圍, 數據的錯誤還是很多, 目前我還沒有找到比較完整而足夠精確的數字.






































































































BritainEurope
(French)		JapanUSADiameter
直徑mm		Circumference
週長mm
   011.5436.25
A   11.9037.38
  0 12.0037.70
A1/2   12.1038.01
B   12.3038.64
   112.3738.86
B1/2   12.5039.27
   11/412.5839.52
C   12.7039.90
 0.15 11/212.7840.15
C1/20.53  12.9040.53
 0.84113/413.0040.84
 1.00  13.0541.00





















































































































BritainEuropeJapanUSADiameterCircumference
D1.15  13.1041.15
 1.50 213.2141.50
D1/21.78  13.3041.78
 1.882 13.3341.88
 2.00  13.3742.00
 2.13 21/413.4142.13
E2.41  13.5042.41
 2.76 21/213.6142.76
 2.913 13.6642.91
E1/23.00  13.6943.00
 3.42 23/413.8243.42
F3.67  13.9043.67
 3.984 14.0043.98
 4.00  14.0144.00
 4.14 314.0544.14
































































































BritainEuropeJapanUSADiameterCircumference
F1/24.30  14.1044.30
 4.74 31/414.2444.74
G4.92  14.3044.92
 5.00  14.3245.00
 5.025 14.3345.02
 5.40 31/214.4545.40
G1/25.55  14.5045.55
 6.00  14.6446.00
 6.02 33/414.6546.02
 6.066 14.6646.06
H6.18  14.7046.18
 6.68 414.8646.68







































































































BritainEuropeJapanUSADiameterCircumference
H1/26.81  14.9046.81
 7.00  14.9647.00
 7.127 15.0047.12
 7.34 41/415.0747.34
I7.44  15.1047.44
 7.97 41/215.2747.97
 8.00  15.2848.00
I1/28.07  15.3048.07
 8.168 15.3348.16
 8.63 43/415.4848.63
J8.69  15.5048.69
 9.00  15.6049.00
 9.209 15.6649.20














































































































BritainEuropeJapanUSADiameterCircumference
J1/29.32 515.7049.32
K9.95 51/415.9049.95
 10.00  15.9250.00
 10.2710 16.0050.27
K1/210.58 51/216.1050.58
 11.00  16.2351.00
L11.24 53/416.3151.24
 11.3011 16.3351.30
L1/211.87 616.5151.87
 12.00  16.5552.00
 12.3412 16.6652.34
M12.46  16.7052.46
 12.56 61/416.7352.56
 13.00  16.8753.00
































































































BritainEuropeJapanUSADiameterCircumference
M1/213.09  16.9053.09
 13.16 61/216.9253.16
 13.4113 17.0053.41
N13.72  17.1053.72
 13.85 63/417.1453.85
 14.00  17.1954.00
N1/214.35  17.3054.35
 14.4414 17.3354.44
 14.51 717.3554.51
O14.98  17.5054.98
 15.00 71/417.5655.00
 15.4815 17.6655.48







































































































BritainEuropeJapanUSADiameterCircumference
O1/215.61  17.7055.61
 15.76 71/2173/455.76
 16.00  17.8356.00
P16.23  17.9056.23
 16.45 73/417.9756.45
 16.5516 18.0056.55
P1/216.86  18.1056.86
 17.00  18.1457.00
 17.15 818.1957.15
Q17.49  18.3057.49
 17.5917 18.3357.59
 17.77 81/418.3957.77
 18.00  18.4658.00














































































































BritainEuropeJapanUSADiameterCircumference
Q1/218.12  18.5058.12
 18.40 81/218.5958.40
 18.6218 18.6658.62
R183/4  18.70583/4
 19.00 83/418.7859.00
R1/219.38  18.9059.38
 19.66 918.9959.66
 19.6919 19.0059.69
S20.00  19.1060.00
 20.38 91/419.2260.38
S1/220.63  19.3060.63
 20.7320 19.3360.73
 20.98 91/219.4160.98
 21.00  19.4261.00

























































































BritainEuropeJapanUSADiameterCircumference
T21.26  19.5061.26
 21.67 93/419.6361.67
 21.7621 19.6661.76
T1/221.89  19.7061.89
 22.00  19.7462.00
 22.33 1019.8462.33
U22.52  19.9062.52
 22.8322 20.0062.83
 23.00 101/420.0563.00
U1/223.15  20.1063.15
 23.59 101/220.2463.59











































































BritainEuropeJapanUSADiameterCircumference
V23.77  20.3063.77
 23.8723 20.3363.87
 23.99  20.3763.99
 24.28 103/420.4664.28
V1/224.40  20.5064.40
 24.9124 20.6664.91
 24.97 1120.6864.97
W25.00  20.6965.00
 25.60 111/420.8865.60














































































































BritainEuropeJapanUSADiameterCircumference
W1/225.66  20.9065.66
 25.9725 21.0065.97
 26.00  21.0166.00
 26.22 111/221.0866.22
X26.29  21.1066.29
X1/226.92 103/421.3066.92
 27.0126 21.3367.01
Y27.51 1221.4967.51
 28.02  21.6568.02
 28.0527 21.6668.05
Y1/228.20 121/421.7168.20
Z28.77 121/221.8968.77
 28.99  21.9668.99
 29.1228 22.0069.12
































































































BritainEuropeJapanUSADiameterCircumference
Z1/229.43  22.1069.43
 29.49 123/422.1269.49
Z+129.99  22.2869.99
 30.15291322.3370.15
Z+11/230.69  22.5070.69
 30.81 131/422.5470.81
 31.00  22.6071.00
 31.1930 22.6671.19
Z+231.31  22.7071.31
 31.47 131/2223/471.47
Z+21/232.01 133/422.9272.01
 32.2631 23.0072.26







































































































BritainEuropeJapanUSADiameterCircumference
Z+332.57  23.1072.57
 32.76 1423.1672.76
 33.01  23.2473.01
Z+31/233.20  23.3073.20
 33.32  23.3473.32
 33.2932 23.3373.29
 33.42 141/423.3773.42
Z+433.83  23.5073.83
 33.98 141/223.5573.98
 34.3333 23.6674.33
Z+41/234.46  23.7074.46
 34.71 143/423.7874.71
 34.99  23.8774.99












































































































BritainEuropeJapanUSADiameterCircumference
Z+535.08  23.9075.08
 35.40341524.0075.40
Z+51/235.71  24.1075.71
 36.00 151/424.1976.00
Z+636.34  24.3076.34
 36.4335 24.3376.43
 36.69 151/224.4176.69
Z+61/237.00  24.5177.00
 37.31 153/424.6177.31
 37.4736 24.6677.47
Z+737.60  24.7077.60
 38.00 1624.8378.00
Z+71/238.23  24.9078.23
 38.5437161/425.0078.54



 

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