Decimal Equivalents

Fractions of an inch / Millimetres / Wood screw gauge / Imperial standard wire gauge / BA

Inches mm Wood Screw Gauge Imperial Standard Wire BA
Decimals Fractions
0.016   1/64 0.397      
0.031   1/32 0.794      
0.032   0.813   21  
0.036   0.914   20  
0.039   1      
0.04   1.016   19  
0.046   3/64 1.19      
0.048   1.219   18  
0.056   1.422   17  
0.062   1/16 1.587 0    
0.064   1.626   16  
0.072   1.829 1 15  

 

Inches mm Wood Screw Gauge Imperial Standard Wire BA
Decimals Fractions
0.078   5/64 2      
0.08   2.032   14  
0.092   2.337 2 13  
0.093   3/32 2.381      
0.104   2.642 3 12  
0.109   7/64 2.778 4   6
0.116   2.956   11  
0.118   3      
0.125   1/8  3.175 5    
0.128   3.251   10  
0.14   9/64 3.571 6   4
0.144   3.658   9  

 

Inches mm Wood Screw Gauge Imperial Standard Wire BA
Decimals Fractions
0.156   5/32 3.968 7    
0.157   4      
0.16   4.06   8  
0.171  11/64 4.365 8    
0.176   4.47   7  
0.178   4.52 9    
0.187   3/16 4.762   6 2
0.192   4.88 10    
0.196   5   5  
0.203  13/64 5.159      
0.212   5.385   4  
0.218   7/32 5.556      

 

Inches mm Wood Screw Gauge Imperial Standard Wire BA
Decimals Fractions
0.22   5.59 12    
0.234  15/64 5.593   3  
0.236   6     0
0.248   6.3 14 2  
0.25   1/4  6.35      
0.252   6.401   1  
0.265  17/64 6.746      
0.275   7      
0.276   7.01 16 0  
0.281   9/32 7.143      
0.296  19/64 7.54      
0.3   7.62   2/0  

 

Inches mm Wood Screw Gauge Imperial Standard Wire BA
Decimals Fractions
0.304   7.72 18    
0.312   5/16 7.937   3/0  
0.315   8      
0.328  21/64 8.334   4/0  
0.332   8.43 20    
0.343  11/32 8.731   5/0  
0.354   9      
0.359  23/64 9.128   6/0  
0.375   3/8  9.525      
0.39  25/64 9.921      
0.393   10      
0.406  13/32 10.318      

 

Inches mm Wood Screw Gauge Imperial Standard Wire BA
Decimals Fractions
0.421  27/64 10.715      
0.433   11      
0.437   7/16 11.112      
0.453  29/64 11.509      
0.469  15/32 11.908      
0.472   12      
0.484  31/64 12.303      
0.511   13      
0.515  33/64 13.09      
0.531  17/32 13.49      
0.546  35/64 13.89      
0.551   14      

 

Inches mm Wood Screw Gauge Imperial Standard Wire BA
Decimals Fractions
0.562   9/16 14.28      
0.578  37/64 14.68      
0.59   15      
0.593  19/32 15.08      
0.609  39/64 15.47      
0.625   5/8  15.87      
0.629   16      
0.64  41/64 16.27      
0.656  21/32 16.66      
0.669   17      
0.671  43/64 17.06      
0.687  11/16 17.46      

 

Inches mm Wood Screw Gauge Imperial Standard Wire BA
Decimals Fractions
0.703  45/64 17.85      
0.708   18      
0.718  23/32 18.25      
0.734  47/64 18.65      
0.748   19      
0.75   3/4  19.05      
0.765  49/64 19.44      
0.781  25/32 19.84      
0.787   20      
0.796  51/64 20.24      
0.812  13/16 20.63      
0.826   21      

 

Inches mm Wood Screw Gauge Imperial Standard Wire BA
Decimals Fractions
0.828  53/64 21.03      
0.843  27/32 21.43      
0.859  55/64 21.82      
0.866   22      
0.875   7/8  22.22      
0.89  57/64 22.62      
0.905   23      
0.906  29/32 23.01      
0.921  59/64 23.41      
0.937  15/16 23.81      
0.944   24      
0.953  61/64 24.2      
0.968  31/32 24.6      
0.984  63/64 25      
1 1       25.4      


Note: Due to the fact that fastening applications differ greatly, the above information is for guidance only and is correct to the best of our knowledge. The customer must satisfy themselves with the performance of the fastener and validity of the data. TR Fastenings will not be held responsible for any failure that may occur from the use of this information.