To allow standard conversions  you must use the following formulas:
Boys'
55m Dash into 45m Dash

Subtract 
.9 seconds

Girls' 55m Dash into 45m Dash 
Subtract  1.1 seconds 
Boys' 3000 into 3200m Run

add +
38
seconds

Girls' 3200 into 3000m Run

subtract  40
seconds

Boys' 1500m into 1600m Run

add +
18
seconds

Girls' 1600m into 1500m Run

subtract  20
seconds

Boys' 55m Hurdles into 40m Hurdles 
Subtract  2.1 seconds 
Girls' 55m Hurdles into 40m Hurdles 
Subtract  2.4 seconds 
Boys' 50m Hurdles into 55m Hurdles 
multiply x 1.1 
Girls' 50m Hurdles into 55m Hurdles

multiply x
1.1

Boys' 50M hurdles into 40m hurdles

multiply x
.8

Girls' 50m Hurdles into 40m Hurdles 
multiply x
.8 
Convert Hand time to F.A.T. 
up to 300m  add .24 sec 600m +  add .14 sec 
Convert F.A.T. to Hand Time 
up to 300m  subt .24 sec 600m +  subt .14 sec 