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The NPR62NZVD2016 grid enables the conversion of normalorthometric heights from the Napier 1962 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). NPR62NZVD2016 is published on a two arcminute grid (approximately 3.6 kilometres) extending over the benchmarks that nominally define the extent of the Napier 1962 vertical datum (175.6° E to 177.9° E, 38.6° S to 40.6° S). The height conversion grid models the difference between the Napier 1962 vertical datum and NZVD2016 using the LINZ GPSlevelling marks. From the GPSlevelling marks the expected accuracy of NPR62NZVD2016 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 DBL60NZVD2016 grid enables the conversion of normalorthometric heights from the DunedinBluff 1960 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). DBL60NZVD2016 is published on a two arcminute grid (approximately 3.6 kilometres) extending over the benchmarks that nominally define the extent of the DunedinBluff 1960 vertical datum (167.4° E to 169.9° E, 45.0° S to 46.7° S). The height conversion grid models the difference between the DunedinBluff 1960 vertical datum and NZVD2016 using the LINZ GPSlevelling marks. From the GPSlevelling marks the expected accuracy of DBL60NZVD2016 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 WGN53NZVD2016 grid enables the conversion of normalorthometric heights from the Wellington 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). WGN53NZVD2016 is published on a two arcminute grid (approximately 3.6 kilometres) extending over the benchmarks that nominally define the extent of the Wellington 1953 vertical datum (174.4° E to 176.4° E, 39.1° S to 41.6° S). The height conversion grid models the difference between the Wellington 1953 vertical datum and NZVD2016 using the LINZ GPSlevelling marks. From the GPSlevelling marks the expected accuracy of WGN53NZVD2016 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 BLF55NZVD2016 grid enables 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). BLF55NZVD2016 is published on a two arcminute grid (approximately 3.6 kilometres) extending over the benchmarks that nominally define the extent of the Bluff 1955 vertical datum (168.2° E to 168.9° E, 46.3° S to 46.8° S). 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 of BLF55NZVD2016 is better than 3 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 LTN37NZVD2016 grid enables the conversion of normalorthometric heights from the Lyttelton 1937 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). LTN37NZVD2016 is published on a two arcminute grid (approximately 3.6 kilometres) extending over the benchmarks that nominally define the extent of the Lyttelton 1937 vertical datum (168.53° E to 174.2° E, 41.3° S to 45.1° S). The height conversion grid models the difference between the Lyttelton 1937 vertical datum and NZVD2016 using the LINZ GPSlevelling marks. From the GPSlevelling marks the expected accuracy of LTN37NZVD2016 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 DBL60NZVD2016 grid enables the conversion of normalorthometric heights from the DunedinBluff 1960 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). DBL60NZVD2016 is published on a two arcminute grid (approximately 3.6 kilometres) extending over the benchmarks that nominally define the extent of the DunedinBluff 1960 vertical datum (167.4° E to 169.9° E, 45.0° S to 46.7° S). The height conversion grid models the difference between the DunedinBluff 1960 vertical datum and NZVD2016 using the LINZ GPSlevelling marks. From the GPSlevelling marks the expected accuracy of DBL60NZVD2016 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 DUN58NZVD2016 grid enables 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). DUN58NZVD2016 is published on a two arcminute grid (approximately 3.6 kilometres) extending over the benchmarks that nominally define the extent of the Dunedin 1958 vertical datum (168.4° E to 171.3° E, 43.9° S to 46.5° S). 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 of DUN58NZVD2016 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 OTP64NZVD2016 grid enables 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). OTP64NZVD2016 is published on a two arcminute grid (approximately 3.6 kilometres) extending over the benchmarks that nominally define the extent of the One Tree Point 1964 vertical datum (171.3° E to 174.4° E, 40.4° S to 42.7° S). 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 of OTP64NZVD2016 is better than 1 centimetre (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 GSB26NZVD2016 grid enables 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). GSB26NZVD2016 is published on a two arcminute grid (approximately 3.6 kilometres) extending over the benchmarks that nominally define the extent of the Gisborne 1926 vertical datum (177.0° E to 178.6° E, 37.4° S to 39.0° S). 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 of GSB26NZVD2016 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 LTN37NZVD2016 grid enables the conversion of normalorthometric heights from the Lyttelton 1937 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). LTN37NZVD2016 is published on a two arcminute grid (approximately 3.6 kilometres) extending over the benchmarks that nominally define the extent of the Lyttelton 1937 vertical datum (168.53° E to 174.2° E, 41.3° S to 45.1° S). The height conversion grid models the difference between the Lyttelton 1937 vertical datum and NZVD2016 using the LINZ GPSlevelling marks. From the GPSlevelling marks the expected accuracy of LTN37NZVD2016 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).