Cookbook | Recipes | Ingredients | Units of measurement
The mm, is the symbol for millimetre (millimeter in US spelling), which is an [SI unit of measurement for length. It is equal to 1/1000 m. There are 25.4 mm per inch. There are 10 mm per cm.
As many recipes have been crudely converted from one system to another, a similarly crude conversion back may yield the original recipe.
| mm | inches | 
|---|---|
| 1 | 1/32 | 
| 1.5 | 1/16 | 
| 2.5 | 1/10 | 
| 3 | 1/8 | 
| 5 | 3/16 | 
| 5 | 2/10 | 
| 6 | 1/4 | 
| 8 | 5/16 | 
| 8.5 | 1/3 | 
| 10 | 3/8 | 
| 13 | 1/2 | 
| 16 | 5/8 | 
| 17 | 2/3 | 
| 19 | 3/4 | 
| 22 | 7/8 | 
| 25 | 1 | 
| 32 | 1+1/4 | 
| 34 | 1+1/3 | 
| 38 | 1+1/2 | 
| 42 | 1+2/3 | 
| 44 | 1+3/4 | 
| 51 | 2 | 
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