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°APIv2rev 12026-03-17

degree API

0112/2///62720#UAA027

unit for the determination of the density of petroleum at 60 °F (15,56 °C)

unit

All properties19#

Version
2
Revision
1
Preferred name
degree API
Short name
°API
Definition
unit for the determination of the density of petroleum at 60 °F (15,56 °C)
Note
NOTE 1 relative density = 141,5/(°API + 131,5) NOTE 2 The formula is only valid for fluids, which are lighter than water
Unit structure
m⁻³ kg¹
Unit in text
degree API
Unit in SGML/XML
Structured markup (math)(154 chars)
<math xmlns="http://www.w3.org/1998/Math/MathML" display="block"> <!-- UAA027 --> <mrow> <mo>&#xB0;</mo> <mi mathvariant="normal">API</mi> </mrow> </math>
UN/ECE code
J13
Responsible committee
IEC/SC 3D
Publisher
IEC
Published in
IEC 62720
Status level
Standard
Version release date
2026-03-17
Revision release date
2026-03-17
Version initiation date
2026-03-17
Change request ID
C00192