3.6 km
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The Gisborne 1926 to NZVD2016 Conversion Raster provides users with a two arcminute (approximately 3.6 kilometres) raster image of the conversion of normalorthometric heights from the Gisborne 1926 local vertical datum to the New Zealand Vertical Datum 2016 (NZVD2016). The conversion value is represented by the attribute “O”, in metres. This conversion and NZVD2016 are formally defined in the LINZ standard [LINZS25009](http://www.linz.govt.nz/regulatory/25009). The height conversion grid models the difference between the Gisborne 1926 vertical datum and NZVD2016 using the LINZ GPSlevelling marks. From the GPSlevelling marks the expected accuracy is better than 2 centimetres (95% Confidence interval). More information on converting heights between vertical datums can be found [on the LINZ website](http://www.linz.govt.nz/data/geodeticservices/coordinateconversion/convertingbetweennzvd2016nzgd2000andlocalverticaldatums).

The Dunedin 1958 to NZVD2016 Conversion Raster provides users with a two arcminute (approximately 3.6 kilometres) raster image of the conversion of normalorthometric heights from the Dunedin 1958 local vertical datum to the New Zealand Vertical Datum 2016 (NZVD2016). The conversion value is represented by the attribute “O”, in metres. This conversion and NZVD2016 are formally defined in the LINZ standard [LINZS25009](http://www.linz.govt.nz/regulatory/25009). The height conversion grid models the difference between the Dunedin 1958 vertical datum and NZVD2016 using the LINZ GPSlevelling marks. From the GPSlevelling marks the expected accuracy is better than 2 centimetres (95% Confidence interval). More information on converting heights between vertical datums can be found [on the LINZ website](http://www.linz.govt.nz/data/geodeticservices/coordinateconversion/convertingbetweennzvd2016nzgd2000andlocalverticaldatums).

The One Tree Point 1964 to NZVD2016 Conversion Raster provides users with a two arcminute (approximately 3.6 kilometres) raster image of the conversion of normalorthometric heights from the One Tree Point 1964 local vertical datum to the New Zealand Vertical Datum 2016 (NZVD2016). The conversion value is represented by the attribute “O”, in metres. This conversion and NZVD2016 are formally defined in the LINZ standard [LINZS25009](http://www.linz.govt.nz/regulatory/25009). The height conversion grid models the difference between the One Tree Point 1964 vertical datum and NZVD2016 using the LINZ GPSlevelling marks. From the GPSlevelling marks the expected accuracy is better than 2 centimetres (95% Confidence interval). More information on converting heights between vertical datums can be found [on the LINZ website](http://www.linz.govt.nz/data/geodeticservices/coordinateconversion/convertingbetweennzvd2016nzgd2000andlocalverticaldatums).

The Moturiki 1953 to NZVD2016 Conversion Raster provides users with a two arcminute (approximately 3.6 kilometres) raster image of the conversion of normalorthometric heights from the Moturiki 1953 local vertical datum to the New Zealand Vertical Datum 2016 (NZVD2016). The conversion value is represented by the attribute “O”, in metres. This conversion and NZVD2016 are formally defined in the LINZ standard [LINZS25009](http://www.linz.govt.nz/regulatory/25009). The height conversion grid models the difference between the Moturiki 1953 vertical datum and NZVD2016 using the LINZ GPSlevelling marks. From the GPSlevelling marks the expected accuracy is better than 2 centimetres (95% Confidence interval). More information on converting heights between vertical datums can be found [on the LINZ website](http://www.linz.govt.nz/data/geodeticservices/coordinateconversion/convertingbetweennzvd2016nzgd2000andlocalverticaldatums).

The Bluff 1955 to NZVD2016 Conversion Raster provides users with a two arcminute (approximately 3.6 kilometres) raster image of the conversion of normalorthometric heights from the Bluff 1955 local vertical datum to the New Zealand Vertical Datum 2016 (NZVD2016). The conversion value is represented by the attribute “O”, in metres. This conversion and NZVD2016 are formally defined in the LINZ standard [LINZS25009](http://www.linz.govt.nz/regulatory/25009). The height conversion grid models the difference between the Bluff 1955 vertical datum and NZVD2016 using the LINZ GPSlevelling marks. From the GPSlevelling marks the expected accuracy is better than 2 centimetres (95% Confidence interval). More information on converting heights between vertical datums can be found [on the LINZ website](http://www.linz.govt.nz/data/geodeticservices/coordinateconversion/convertingbetweennzvd2016nzgd2000andlocalverticaldatums).

The Auckland 1946 to NZVD2016 Conversion Raster provides users with a two arcminute (approximately 3.6 kilometres) raster image of the conversion of normalorthometric heights from the Auckland 1946 local vertical datum to the New Zealand Vertical Datum 2016 (NZVD2016). The conversion value is represented by the attribute “O”, in metres. This conversion and NZVD2016 are formally defined in the LINZ standard [LINZS25009](http://www.linz.govt.nz/regulatory/25009). The height conversion grid models the difference between the Auckland 1946 vertical datum and NZVD2016 using the LINZ GPSlevelling marks. From the GPSlevelling marks the expected accuracy is better than 2 centimetres (95% Confidence interval). More information on converting heights between vertical datums can be found [on the LINZ website](http://www.linz.govt.nz/data/geodeticservices/coordinateconversion/convertingbetweennzvd2016nzgd2000andlocalverticaldatums).

The Auckland 1946 to NZVD2016 Conversion Raster provides users with a two arcminute (approximately 3.6 kilometres) raster image of the conversion of normalorthometric heights from the Auckland 1946 local vertical datum to the New Zealand Vertical Datum 2016 (NZVD2016). The conversion value is represented by the attribute “O”, in metres. This conversion and NZVD2016 are formally defined in the LINZ standard [LINZS25009](http://www.linz.govt.nz/regulatory/25009). The height conversion grid models the difference between the Auckland 1946 vertical datum and NZVD2016 using the LINZ GPSlevelling marks. From the GPSlevelling marks the expected accuracy is better than 2 centimetres (95% Confidence interval). More information on converting heights between vertical datums can be found [on the LINZ website](http://www.linz.govt.nz/data/geodeticservices/coordinateconversion/convertingbetweennzvd2016nzgd2000andlocalverticaldatums).

The Nelson 1955 to NZVD2016 Conversion Raster provides users with a two arcminute (approximately 3.6 kilometres) raster image of the conversion of normalorthometric heights from the Nelson 1955 local vertical datum to the New Zealand Vertical Datum 2016 (NZVD2016). The conversion value is represented by the attribute “O”, in metres. This conversion and NZVD2016 are formally defined in the LINZ standard [LINZS25009](http://www.linz.govt.nz/regulatory/25009). The height conversion grid models the difference between the Nelson 1955 vertical datum and NZVD2016 using the LINZ GPSlevelling marks. From the GPSlevelling marks the expected accuracy is better than 2 centimetres (95% Confidence interval). More information on converting heights between vertical datums can be found [on the LINZ website](http://www.linz.govt.nz/data/geodeticservices/coordinateconversion/convertingbetweennzvd2016nzgd2000andlocalverticaldatums).

The Dunedin 1958 to NZVD2016 Conversion Raster provides users with a two arcminute (approximately 3.6 kilometres) raster image of the conversion of normalorthometric heights from the Dunedin 1958 local vertical datum to the New Zealand Vertical Datum 2016 (NZVD2016). The conversion value is represented by the attribute “O”, in metres. This conversion and NZVD2016 are formally defined in the LINZ standard [LINZS25009](http://www.linz.govt.nz/regulatory/25009). The height conversion grid models the difference between the Dunedin 1958 vertical datum and NZVD2016 using the LINZ GPSlevelling marks. From the GPSlevelling marks the expected accuracy is better than 2 centimetres (95% Confidence interval). More information on converting heights between vertical datums can be found [on the LINZ website](http://www.linz.govt.nz/data/geodeticservices/coordinateconversion/convertingbetweennzvd2016nzgd2000andlocalverticaldatums).

The Bluff 1955 to NZVD2016 Conversion Raster provides users with a two arcminute (approximately 3.6 kilometres) raster image of the conversion of normalorthometric heights from the Bluff 1955 local vertical datum to the New Zealand Vertical Datum 2016 (NZVD2016). The conversion value is represented by the attribute “O”, in metres. This conversion and NZVD2016 are formally defined in the LINZ standard [LINZS25009](http://www.linz.govt.nz/regulatory/25009). The height conversion grid models the difference between the Bluff 1955 vertical datum and NZVD2016 using the LINZ GPSlevelling marks. From the GPSlevelling marks the expected accuracy is better than 2 centimetres (95% Confidence interval). More information on converting heights between vertical datums can be found [on the LINZ website](http://www.linz.govt.nz/data/geodeticservices/coordinateconversion/convertingbetweennzvd2016nzgd2000andlocalverticaldatums).