Convert from European 1950 too WGS1948 Help Please

Anyone know how to accuratly convert from European 1950 to WGS1948?

Below is what the shapfile is in.


GCS_European_1950
WKID: 4230 Authority: EPSG

Angular Unit: Degree (0,0174532925199433)
Prime Meridian: Greenwich (0,0)
Datum: D_European_1950
Spheroid: International_1924
Semimajor Axis: 6378388,0
Semiminor Axis: 6356911,946127947
Inverse Flattening: 297,0