How many PS is 250 kW?
250 kW = 339.91 PS
It is 339.91 PS, so saying 340 PS is fine — rounding is within 0.5%.
And how many kW is 250 PS?
250 PS = 183.87 kW
Formula: PS = kW × 1.359622
kW to PS around this value
70 kW95.17PS
90 kW122.37PS
110 kW149.56PS
130 kW176.75PS
150 kW203.94PS
170 kW231.14PS
190 kW258.33PS
210 kW285.52PS
230 kW312.71PS
250 kW339.91PS
270 kW367.1PS
290 kW394.29PS
310 kW421.48PS
330 kW448.68PS
350 kW475.87PS
370 kW503.06PS
390 kW530.25PS
410 kW557.44PS
430 kW584.64PS
450 kW611.83PS