Calculator.xls
                             
           
    Prototype:       Model:      
                 
    Value   Unit   Scale (mm to 1 foot)     Feet   Inches   Metres    
                 
             
                             

Insert value, select measured unit and required scale from the drop-down lists on the left

Results will appear in imperial and metric units to the right.
 

 kindly submitted by Martyn de Young