1093.6yards
1.5 km = 1640.42 yards
There are 1312.33 yards in a km.
1.609344 km
I get 1,093.613 yards (rounded)
0.5 kilometers = 546.806649 yards
100 yards = 0.09144 kilometers
0.40 km is 437.445 yards.
4.5 yards is 0.0041148 km
37.18 kilometers = 40,660.5424 yards
2.5 kilometers is 2,734 yards.
42 yards is 0.04 kilometer.
The abbreviation for a kilometre is km, not k. 1 km = 1093.613 yards (to 3 dp)