• CM_PER_INCH : conversions.h
• CM_PER_METER : conversions.h
• DEGREES_PER_RADIAN : conversions.h
• HALFPI : conversions.h
• INCHES_PER_FOOT : conversions.h
• METERS_PER_FOOT : conversions.h
• METERS_PER_MILE : conversions.h
• MINUTES_PER_HOUR : conversions.h
• MMETERS_PER_KM : conversions.h
• MMETERS_PER_MILE : conversions.h
• RADIANS_PER_DEGREE : conversions.h
• SECONDS_PER_HOUR : conversions.h
• SECONDS_PER_MINUTE : conversions.h
• TWOPI : conversions.h