Miniature or standard?

Standard Dachshund

The larger of the breed is known as a Standard Dachshund

Weigh 16 to 32 pounds (7-14 kgs)
Height 8 – 9ins (20cm - 23cm)
Chest measurement over 14ins (used to assess size in Germany and some other countries)

These measurements are as at maturity (12months old)

This size dachshund was mainly breed for hunting badgers and foxes as a strong heavier build of dog was required.
The Standard has three coat varieties, smooth haired, long haired and wire haired, each has a personality of there own.

Miniature Dachshund

Weight under 11 pounds (5 kgs)
Height 5 – 6ins (13cm – 15cm)
 

Chest measurement in the range of 12 to 14ins (used to assess size in Germany and some other countries). These measurements are as at maturity (12months old)

Dogs between 11-16 pounds are not recognized as an official size in America and are often called tweenies.