This calculator allows you to convert from Fathom (US survey) to Furlong (US survey) and in a reverse direction. To convert from Fathom (US survey) to Furlong (US survey), enter the amount of Fathom (US survey) into the first input and to convert from Furlong (US survey) to Fathom (US survey), enter the amount of Furlong (US survey) into the second input.