InternationalFeet USSurveyFeet Metres 1.0 3.280839895 3.2808333333357 1.0 1.0 1.111111111111 17.77777777777 1.0 1.0 0.029529921 0.75006 1.0 1 2 3 4 1 2 3 1 3 2 1 3 1 2 1 1 2 3 1 1