9 letters long or it depends on where you cut it.
How long is a piece of string?
String
LONG
A piece of string 5 k long is 5 kilometers, or 3.1 miles, long
Long
When the long string of a piano produces pitch it is called treble.
Only if it happens to be a 2 foot long piece of string.
as long as a piece of string
How long's a piece of string
How long is a piece of string?
How long is a piece of string? (;
A cross bow string is about 36 inches