| Level Drop Down Box Value | 
       
 Area or Length Multiplication Factor 
  | 
| LEVEL | 
       1.000000000  | 
| 1:1 | 
      
       1.414213562  | 
| 1:2 | 
      
       1.118033989  | 
| 1:3 | 
      
       1.054092553  | 
| 
       1:4  | 
    
      
       1.030776406  | 
| 1:5 | 
      
       1.019803903  | 
| 
       1:6  | 
    
      
       1.013793755  | 
| 1:7 | 
      
       1.010152545  | 
| 1:8 | 
      
       1.007782219  | 
| 1:9 | 
      
       1.006153904  | 
| 
       1:10  | 
    
      
       1.004987562  | 
| 1:11 | 
      
       1.004123729  | 
| 1:12 | 
      
       1.003466215  | 
| 1:13 | 
      
       1.002954216  | 
| 1:14 | 
      
       1.002547775  | 
| 1:15 | 
      
       1.002219759  | 
| 
       1:16  | 
    
      
       1.001951221  | 
| 1:17 | 
      
       1.00172861  | 
| 1:18 | 
      
       1.001542021  | 
| 1:19 | 
      
       1.001384084  | 
Notes
The formula used to calculate the multiplication factor on sloped lengths and areas is:
Where slope is 1:x = (square root ( (x * x) + 1)) / x