Feet to Millimeters Updated December 10, 2021Use the conversion calculator below to convert from ft to mm or convert mm to ft.ft to mm CalculatorFrom: ftTo: mmCalculate Other Conversions From FeetFeet to InchesFeet to YardsFeet to MilesFeet to CentimetersFeet to MetersFeet to KilometersOther Conversions To Millimetersin to mmyd to mmcm to mmm to mmkm to mmmi to mm