Kilometers do not convert to "miles per hour", as one is a measure of distance and the other is a measure of speed.
If you actually want to know how many miles are equal to 326 kilometers, the answer is aproximately 202.567 miles.
326km
3000 mph to 9000 mph
110kph is 68.3508 mph
30 MPH
200 MPH!
3 / 1.609344 = 1.86411358 mph
90 kph = 55.92 mph
228 kmph is 141.673 mph
191 mph = 307.385 kmh
80/1.6=50 MPH
512/1.6=320 MPH
6 knots is 6.90468 mph