Here is an example image of a comparison between the most famous races in tabletop game.
-
For example, a Standard-sized Goblin miniature is about 35-45% smaller than a Standard-sized Human miniature.
-
Likewise, a Standard-sized Half-giant miniature is approximately 25-30% larger than a Standard-sized Human miniature.
-
The base of a Standard-sized miniature will be almost 25.4mm in diameter.