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Conversion Table
Inches
to decimetres conversion 
1 in  0.254 dm 
2 in  0.508 dm 
3 in  0.762 dm 
4 in  1.016 dm 
5 in  1.27 dm 
6 in  1.524 dm 
7 in  1.778 dm 
8 in  2.032 dm 
9 in  2.286 dm 
10 in  2.54 dm 
20 in  5.08 dm 
30 in  7.62 dm 
40 in  10.16 dm 
50 in  12.70 dm 
60 in  15.24 dm 
70 in  17.78 dm 
80 in  20.32 dm 
90 in  22.86 dm 
100 in  25.4 dm 
Convertion formula inches to decimetres (in to dm)
The length L_{(dm)} in decimetres is equal to the length L_{(in)} in inches times 0.254:
L_{(dm)} = L_{(in)} × 0.254
Example of conversion
Convert 8 inches to decimetres:
L_{(dm)} = 8 in × 0.254 = 2.032 dm
