Question: 1 fathom equals how many shackle?
Answer: More information from the unit converter The answer is 15. We assume you are converting between fathom and shackle. You can view more details on each measurement unit: fathom or shackle The SI base unit for length is the metre. 1 metre is equal to 0.54680664916885 fathom, or 0.036453776611257 shackle.