Converting Units Time 1. Convert 6.2 hours into minutes. Distance 5. Convert 45cm into millimetres. 2. Convert 398 seconds into hours. 6. Convert 4.6km into meters. 3. Convert 11 minutes into seconds. 7. Convert 111mm into centimetres. 4. Convert 36 hours into days. 8. Convert 46 000m into kilometres. Converting Units Time 1. Convert 6.2 hours into minutes. Distance 5. Convert 45cm into millimetres. 2. Convert 398 seconds into hours. 6. Convert 4.6km into meters. 3. Convert 11 minutes into seconds. 7. Convert 111mm into centimetres. 4. Convert 36 hours into days. 8. Convert 46 000m into kilometres. Converting Units Time 1. Convert 6.2 hours into minutes. Distance 5. Convert 45cm into millimetres. 2. Convert 398 seconds into hours. 6. Convert 4.6km into meters. 3. Convert 11 minutes into seconds. 7. Convert 111mm into centimetres. 4. Convert 36 hours into days. 8. Convert 46 000m into kilometres.