Short hilt and long blade can be 1/6 the length of the blade, or even shorter (maybe 4-6" hilt (including pommel and guard), 36" blade). For a typical one-handed knightly sword, 6-7" hilt, 30-32" blade. For a typical hand-and-a-half longsword, 12" hilt, 36" blade.

How long is a dagger?

A dagger's length ranges anywhere between five to twelve inches long. A longer dagger is heavier and inflicts more damage to the victim. Knives have a much smaller structure than daggers. The knife typically has one sharp edge and comes in a variety of different sizes and styles.

How long should a sword handle be?

In general the 8" to 9" grips seem best for the hand and a half type swords giving the most adaptability for one or two handed use. With the really big swords with blades over 45" long a longer handle seems better to me, at least with my limited to waving a sword in the air in front of me experience.