This ontology covers instances of physical units following a prescription defined in units.owl. unitsInstances.owl 0.2 Ed Shaya, University of Maryland amuH 2.0 m-2 2.0 m2 amuC12 60.0 pi 3.1415927 180.0 deg arcmin c_0 2.99792448e8 -1.0 s-1 60.0 arcsec mol.m-3 3.0 m3 m-3 km 1.6180339887 phi 453.59238 lb J N 2.0 s2 kg W 1.e-26 Hz kg-1 2.0 Kg2 Same as megagram 1000.0 A 1.0e-10 srad 907.18475 US Conventional ton. Now defined in terms of kilograms. Also equal to about 2000 pounds. m-1 m-3 m_i 648000 m.s-1 rad-1 -1.0 deg.s-1 rad.s-1 gamma 0.577215664901532 60.0 min nodical month synodic month anomalistic Year anomalistic month AU 1.4959787e11 Distance from the Sun of a massless particle moving in a circular orbit with period of one Gaussian year. 12 amuO16 60.0 hr 24.0 2.718281828459 e 1016.04694 An avoirdupois unit commonly used in the UK. It is within 2% of metricTon 6.6726e-11 G