How many km/h is 3 min/km?

3 min/km = 20 km/h

It is 20 km/h, so saying 20 km/h is fine — rounding is within 0.5%.

And how many min/km is 3 km/h?

3 km/h = 20 min/km

Formula: km/h = 60 ÷ min/km

1.2 min/km50km/h

1.4 min/km42.86km/h

1.6 min/km37.5km/h

1.8 min/km33.33km/h

2 min/km30km/h

2.2 min/km27.27km/h

2.4 min/km25km/h

2.6 min/km23.08km/h

2.8 min/km21.43km/h

3 min/km20km/h

3.2 min/km18.75km/h

3.4 min/km17.65km/h

3.6 min/km16.67km/h

3.8 min/km15.79km/h

4 min/km15km/h

4.2 min/km14.29km/h

4.4 min/km13.64km/h

4.6 min/km13.04km/h

4.8 min/km12.5km/h

5 min/km12km/h