In your store's Admin area, go to the System > Localization > Length Classes
Go to the System → Localization → Length classes
Units of measure to use in product options and shipping by product dimensions OR add new lengths, for example, if you sell your products using meters yards. Centimeter is the default.
Warning |
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Only one Base Length Class may have value 1 (1.000000) Others classes should be set in with respect to Base class. So when you add dimensions in any units to your product it will be re-calculated |
Default length classes can not cannot be removed from the system. You can add your own classes specific to your country or business