EPSG:8228 — NAVD88 height (ft)

Vertical · USA - onshore - AZ MI MT ND OR SC

Export Formats

OGC WKT

VERT_CS[
    "NAVD88 height (ft)",
    VERT_DATUM[
        "North American Vertical Datum 1988",
        2005,
        AUTHORITY["EPSG","5103"]
    ],
    UNIT["foot",0.3048,AUTHORITY["EPSG","9002"]],
    AXIS["Gravity-related height",UP],
    AUTHORITY["EPSG","8228"]
]

WKT2

VERTCRS[
    "NAVD88 height (ft)",
    BASEVERTCRS[
        "NAVD88 height",
        VDATUM["North American Vertical Datum 1988",ID["EPSG",5103]],
        ID["EPSG",5703]
    ],
    DERIVINGCONVERSION[
        "Vertical Axis Unit Conversion",
        METHOD["Change of Vertical Unit",ID["EPSG",1104]],
        ID["EPSG",7813]
    ],
    CS[vertical,1,ID["EPSG",1030]],
    AXIS["Gravity-related height (H)",up],
    LENGTHUNIT["foot",0.3048,ID["EPSG",9002]],
    ID["EPSG",8228]
]

PROJ.4

+vunits=ft +no_defs +type=crs

Proj4js

How to add a projection to Proj4js? →

proj4.defs("EPSG:8228", "+vunits=ft +no_defs +type=crs");

JSON

{
  "type": "CoordinateReferenceSystem",
  "code": 8228,
  "name": "NAVD88 height (ft)",
  "kind": "vertical",
  "area": "USA - onshore - AZ MI MT ND OR SC",
  "unit": "foot",
  "bbox": [
    31.33,
    -124.6,
    49.01,
    -78.52
  ],
  "proj4": "+vunits=ft +no_defs +type=crs"
}

PostGIS

How to add a projection to PostGIS? →

INSERT INTO spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext)
VALUES (8228, 'EPSG', 8228, '+vunits=ft +no_defs +type=crs', 'VERT_CS["NAVD88 height (ft)",VERT_DATUM["North American Vertical Datum 1988",2005,AUTHORITY["EPSG","5103"]],UNIT["foot",0.3048,AUTHORITY["EPSG","9002"]],AXIS["Gravity-related height",UP],AUTHORITY["EPSG","8228"]]');

MapServer

How to add a projection to MapServer? →

PROJECTION
  "+vunits=ft"
  "+no_defs"
  "+type=crs"
END

GeoServer

How to add a projection to GeoServer? →

8228=VERT_CS["NAVD88 height (ft)",VERT_DATUM["North American Vertical Datum 1988",2005,AUTHORITY["EPSG","5103"]],UNIT["foot",0.3048,AUTHORITY["EPSG","9002"]],AXIS["Gravity-related height",UP],AUTHORITY["EPSG","8228"]]

Related Coordinate Systems

Available Transformations (32)

Transformations inherited from base CRS: EPSG:5703 (NAVD88 height)

Transformation	Source → Target	Accuracy (m)
NAD83(2011) to NAVD88 height (3)	6319 → 5703	0.015
NAD83(2011) to NAVD88 height (1)	6319 → 5703	0.02
NAD83(2011) to NAVD88 height (2)	6319 → 5703	0.02
NAD83(FBN) to NAVD88 height (1)	8542 → 5703	0.02
NAD83(HARN) to NAVD88 height (9)	4957 → 5703	0.02
NGVD29 height (m) to NAVD88 height (1)	7968 → 5703	0.02
NGVD29 height (m) to NAVD88 height (2)	7968 → 5703	0.02
NGVD29 height (m) to NAVD88 height (3)	7968 → 5703	0.02
NGVD29 height (ftUS) to NAVD88 height (1)	5702 → 5703	0.02
NGVD29 height (ftUS) to NAVD88 height (2)	5702 → 5703	0.02

Other CRS using North American Vertical Datum 1988

Frequently Asked Questions

How do I add EPSG:8228 to GeoServer?

Add the following definition to your GeoServer configuration:

8228=VERT_CS["NAVD88 height (ft)",VERT_DATUM["North American Vertical Datum 1988",2005,AUTHORITY["EPSG","5103"]],UNIT["foot",0.3048,AUTHORITY["EPSG","9002"]],AXIS["Gravity-related height",UP],AUTHORITY["EPSG","8228"]]

Read the full GeoServer guide →

How do I add EPSG:8228 to PostGIS?

Add the following definition to your PostGIS configuration:

INSERT INTO spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext)
VALUES (8228, 'EPSG', 8228, '+vunits=ft +no_defs +type=crs', 'VERT_CS["NAVD88 height (ft)",VERT_DATUM["North American Vertical Datum 1988",2005,AUTHORITY["EPSG","5103"]],UNIT["foot",0.3048,AUTHORITY["EPSG","9002"]],AXIS["Gravity-related height",UP],AUTHORITY["EPSG","8228"]]');

Read the full PostGIS guide →

How do I add EPSG:8228 to MapServer?

Add the following definition to your MapServer configuration:

PROJECTION
  "+vunits=ft"
  "+no_defs"
  "+type=crs"
END

Read the full MapServer guide →

How do I use EPSG:8228 with Proj4js?

Add the following definition to your Proj4js configuration:

proj4.defs("EPSG:8228", "+vunits=ft +no_defs +type=crs");

Read the full Proj4js guide →