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AS/NZS 1376:1996

Australian/New Zealand Standard

Conversion factors

AS/NZS 1376:1996

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This Joint Australian/New Zealand Standard was prepared by Joint Technical Committee ME/71, Quantities, Units and Conversions. It was approved on behalf of the Council of Standards Australia on 14 June 1996 and on behalf of the Council of Standards New Zealand on 1 July 1996. It was published on 5 September 1996.

The following interests are represented on Committee ME/71: CSIRO, Division of Applied Physics, Australia Department of Industry, Science and Technology, Australia Monash University, Australia National Association of Testing Authorities, Australia University of New South Wales, Australia University of Sydney, Australia

Review of Standards. To keep abreast of progress in industry, Joint Australian/ New Zealand Standards are subject to periodic review and are kept up to date by the issue of amendments or new editions as necessary. It is important therefore that Standards users ensure that they are in possession of the latest edition, and any amendments thereto. Full details of all Joint Standards and related publications will be found in the Standards Australia and Standards New Zealand Catalogue of Publications; this information is supplemented each month by the magazines ‘The Australian Standard’ and ‘Standards New Zealand’, which subscribing members receive, and which give details of new publications, new editions and amendments, and of withdrawn Standards. Suggestions for improvements to Joint Standards, addressed to the head office of either Standards Australia or Standards New Zealand, are welcomed. Notification of any inaccuracy or ambiguity found in a Joint Australian/New Zealand Standard should be made without delay in order that the matter may be investigated and appropriate action taken.

This Standard was issued in draft form for comment as DR 95245.

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AS/NZS 1376:1996

Australian/New Zealand Standard Conversion factors

PUBLISHED JOINTLY BY: STANDARDS AUSTRALIA 1 The Crescent, Homebush NSW 2140 Australia STANDARDS NEW ZEALAND Level 10, Radio New Zealand House, 155 The Terrace, Wellington 6001 New Zealand ISBN 0 7337 0666 5

AS/NZS 1376:1996

2

PREFACE This Standard was prepared by the Joint Standards Australia/Standards New Zealand Committee ME/71 on Quantities, Units and Conversions to supersede AS 1376 —1973.

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This edition incorporates the following major changes to the previous edition: (a)

The layout and format of this Standard have been updated.

(b)

The conversion factors to convert SI units to imperial and other non-SI units in Section 2 have been deleted.

(c)

Some conversion factors to convert imperial units to SI units are contained in the National Measurement Regulation.

(d)

Units that are not used, have been deleted from the list of units in Section 3.

(e)

A new Appendix ‘SI Prefixes’ has been introduced.

References have been made to AS 1000, The International System of Units (SI) and its application , AS 2849, Density of water —Numerical value and AS 2851, Density of mercury —Numerical value. The term ‘informative’ has been used in this Standard to define the application of the appendix to which it applies. An ‘informative’ appendix is only for information and guidance.

 Copyright

STANDARDS AUSTRALIA/ STANDARDS NEW ZEALAND

Users of Standards are reminded that copyright subsists in all Standards Australia and Standards New Zealand publications and software. Except where the Copyright Act allows and except where provided for below no publications or software produced by Standards Australia or Standards New Zealand may be reproduced, stored in a retrieval system in any form or transmitted by any means without prior permission in writing from Standards Australia or Standards New Zealand. Permission may be conditional on an appropriate royalty payment. Australian requests for permission and information on commercial software royalties should be directed to the head office of Standards Australia. New Zealand requests should be directed to Standards New Zealand. Up to 10 percent of the technical content pages of a Standard may be copied for use exclusively in-house by purchasers of the Standard without payment of a royalty or advice to Standards Australia or Standards New Zealand. Inclusion of copyright material in computer software programs is also permitted without royalty payment provided such programs are used exclusively in-house by the creators of the programs. Care should be taken to ensure that material used is from the current edition of the Standard and that it is updated whenever the Standard is amended or revised. The number and date of the Standard should therefore be clearly identified. The use of material in print form or in computer software programs to be used commercially, with or without payment, or in commercial contracts is subject to the payment of a royalty. This policy may be varied by Standards Australia or Standards New Zealand at any time.

3

AS/NZS 1376:1996

CONTENTS Page SECTION 1 SCOPE AND BASIS FOR THE FACTORS 1.1 SCOPE ... .. .. .. .. ... ............. ... .. .. .. .. ... .... 1.2 SI UNITS ... .. .. .. .. ... ............. ... .. .. .. .. ... .. 1.3 NON-SI UNITS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

4 4 4

SECTION 2 CONVERSION FACTORS 2.1 METHOD OF PRESENTATION ... .. .. .. .. ... ............. 2.2 USE OF TERM SPECIFIC ... .. .. .. .. ... ............. ... .

8 8

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SECTION 3 ALPHABETICAL LIST OF UNITS . . . . . . . . . . . . . . . . . . . . . . . 22 APPENDICES A MEANING OF THE TERMS MILLION, BILLION, TRILLION AND QUADRILLION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31 B SI PREFIXES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32

Originated in Australi a as AS 1376 — 1973. Jointl y revised and designated AS/NZS 1376:1996.

AS/NZS 1376:1996

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STANDARDS AUSTRALIA/STANDARDS NEW ZEALAND Australian/New Zealand Standard Conversion factors S E C T I O N

1

S CO P E A N D B A S I S F A C T O R S

F O R

T H E

1.1 SCOPE This Standard sets out basic conversion information for use in converting from imperial and other non-SI units to those of the International System of Units (SI).

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NOTE: All exact conversion factors are given in bold type.

1.2 SI UNITS AS 1000 describes the system of metric units (SI), its application and definitions. 1.3 1.3.1

NON-SI UNITS Length 1 yard = 0.9144 m

In U.S.A, an additional unit, the US survey foot, is legally recognized solely for measurements of the US Coast and Geodetic Survey. The conversion is expressed as follows: 1 US survey foot 1.3.2

= 1.000 0020 ft = 1200/3937 m

Area 1 square yard

= (0.9144 m) 2 = 0.836 127 36 m 2

The hectare (ha), used for land areas, is expressed as follows: 1 ha = 10 000 m2 1.3.3

Volume 1 cubic yard

= (0.9144 m) 3 = 0.764 554 857 984 m 3

The litre (l or L) used in this Standard is that adopted by the Comité International des Poids et Mesures (CIPM) in 1964 when it was declared that litre shall be a special name for the cubic decimetre. (See Note 1.) 1 gallon = 0.004 546 09 m 3 = 4.546 09 litres (see Note 2) The US gallon is smaller and is equal to 231 cubic inches. It is used for the measurement of liquids only. 1 US gallon = 0.003 785 411 784 m3 = 3.785 411 784 litres NOTES: 1 Before 1964, the term ‘litre’ was that defined in 1901 as the unit of volume occupied by a mass of 1 kilogram of pure water at its maximum density and at standard atmospheric pressure. This meant that 1 litre was equivalent to 1.000 028 dm 3 . To avoid any confusion therefore, the word ‘litre’ should not be used in work involving high precision. 2 The gallon, pint and fluid ounce in this Standard are units of the imperial system unless otherwise qualified by the letters ‘US’. COPYRIGHT

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AS/NZS 1376:1996, Conversion factors

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