Vertical Datum Conversion

Calculate the difference between the vertical datum of NGVD 29 and NAVD 88.

Latitude

Longitude

Latitude and Longitude are required.

Orthometric Height

Orthometric Height is required

Vertical Datum

Vertical Datum is required

NAVD 88 Height:	{{nav88}} ft
NGVD 29 Height:	{{nav29}} ft
Datum Shift:	{{difference}} ft