Orders of magnitude (entropy)

| {{val|9.5699|e=−24|u=J⋅K{{sup|−1}}}}

| Entropy equivalent of one bit of information, equal to k times ln(2){{cite web|url=http://www.mdpi.org/entropy/papers/e7010068.pdf |title=The Meaning of Entropy |author=Jean-Bernard Brissaud |publisher=Entropy, 2005, 7[1], 68–96 |date=14 February 2005 |access-date=2010-04-21 }} page 72 (page 5 of pdf)

| {{val|1.381|e=−23|u=J⋅K{{sup|−1}}}}

| Boltzmann constant, entropy equivalent of one nat of information.

| {{val|5.74|u=J⋅K{{sup|−1}}}}

| Standard entropy of 1 mole of graphite{{cite web|title=Entropy: A Study Guide|url=http://www.science.uwaterloo.ca/~cchieh/cact/applychem/entropy.html|author=Chung Chieh|access-date=2010-04-21}}

|≈ {{val|e=35|u=J⋅K{{sup|−1}}}}

| Entropy of the Sun (given as ≈ {{val|e=42|u=erg⋅K{{sup|−1}}}} in Bekenstein (1973)){{cite journal |url=http://www.physics.princeton.edu/~mcdonald/examples/QM/bekenstein_prd_7_2333_73.pdf |title=Black Holes and Entropy |author=Jacob D. Bekenstein |journal=Physical Review D |volume=7 |issue=8 |pages=2333–2346|year=1973|doi=10.1103/PhysRevD.7.2333 |bibcode=1973PhRvD...7.2333B |s2cid=122636624 |url-status=dead |archive-url=https://www.webcitation.org/5pvpyakNu?url=http://www.physics.princeton.edu/~mcdonald/examples/QM/bekenstein_prd_7_2333_73.pdf |archive-date=2010-05-23 }}

| {{val|1.5|e=54|u=J⋅K{{sup|−1}}}}

| Entropy of a black hole of one solar mass (given as ≈ {{val|e=60|u=erg⋅K{{sup|−1}}}} in Bekenstein (1973))

| {{val|4.3|e=81|u=J⋅K{{sup|−1}}}}

| One estimate of the theoretical maximum entropy of the universe{{cite journal|title=A Larger Estimate of the Entropy of the Universe|author=Chas A. Egan|author2=Charles H. Lineweaver|date=25 January 2010|arxiv = 0909.3983|quote={{val|3.1|e=104}}k |doi=10.1088/0004-637X/710/2/1825|volume=710|issue=2|journal=The Astrophysical Journal|pages=1825–1834|bibcode=2010ApJ...710.1825E|s2cid=1274173}}Calculated: {{val|3.1e104}} × k = {{val|3.1e104}} × {{val|1.381e-23|u=J/K}} = {{val|4.3e81|u=J/K}}