Answer:
Conversion depends on what you want to convert.
For instance if you want to convert units
You use the memory devices - King Henry Drinks Milk During Castle Meetings
The starting letter of each words represents the conversion chart
km
hm
dm
mm
dm
cm
mm
First answer by X33blue. Last edit by X33blue. Contributor trust: 0 [recommend contributor recommended]. Question popularity: 1 [recommend question].