Constants

Traditional Constants

Name Symbol Value Uncertainty Units Xlink.png Link
Archimedes $\pi$ 3.141 592 653 … Wikipedia
Planck $h$ 4.135 667 662 0.000 000 025 (eVβˆ™s) x10-15 NIST
Boltzmann $k_{\sf{B}}$ 8.617 343 0.000 015 (MeVβˆ™K-1) x10-11 NIST
Speed of Light $c$ 299 792 458 exact (mβˆ™s-1) NIST
Elementary Charge $e$ 1.602 176 620 8 0.000 000 009 8 (C) π—‘πŸ£πŸ’βˆ’πŸ£πŸ« NIST
Magnetic $\mu_{\sf{o}}$ 1.256 637 062 12 0.000 000 000 19 (Nβˆ™A-2) π—‘πŸ£πŸ’βˆ’6 NIST
Electric $\epsilon_{\sf{o}}$ 8.854 187 812 8 0.000 000 001 3 (Fβ‹…mβˆ’1) π—‘πŸ£πŸ’βˆ’12 NIST
Coulomb $k_{\sf{e}}$ 8.987 551 788 7 0.000 000 001 4 (Nβˆ™m2/C2) π—‘πŸ£πŸ’9 Wikipedia
Avogadro $N_{\sf{A}}$ 6.022 140 857 0.000 000 074 (molβˆ’1) Γ—1023 NIST
(J) β†”οΈŽ (eV) J/eV 1.602 176 620 8 0.000 000 009 8 (J/eV) x10-19 NIST
Rydberg ${\mathcal{R}}_{\infty}$ 13.605 693 009 0.000 000 084 (eV)/$hc$ NIST
Sommerfeld $\alpha$ 7.297 352 5693 0.000 000 0011 x 10-3 NIST


WikiMechanics Reference-Sensation Constants

Icon Reference Symbol Value Units Article
achromatic.jpg seeing the Sun $U ^{ \sf{d} }$ 734 (neV) Internal Energy
Bangladeshi.GIF seeing blood $\mu_{\sf{o}}$ $1.3 \times 10^{-6}$ (Nβˆ™A-2) Magnetic Moments
Swedish.gif seeing gold $\epsilon_{\sf{o}}$ $8.8 \times 10^{-12}$ (Fβ‹…mβˆ’1)
knut.jpeg touching ice $T ^{ \sf{b} }$ 0 (℃) Temperature
steam.jpg touching steam $T ^{ \sf{c} }$ 100 (℃) Temperature
odd.jpg hearing a heartbeat $N_{\sf{\Omega}}^{ \mathbf{\Theta}}$ 86,400 (s/day) Counting Bundles
sweeticon.jpg tasting honey $k_{\sf{\, dextro}}$ 40.21 (neV) Hydrogen – Fine
sweeticon.jpg tasting honey $k_{\sf{\, levo}}$ -1.25 (Β΅eV) Hydrogen – Fine
earth.jpg touching the Earth $h$ 4.1 x10-15 (eVβˆ™s) Planck's Postulate
earth.jpg touching the Earth $k_{\alpha \beta}$ none Metrics
metric.png


Secondary Constants

Symbol Value Units Link
kC hypothetical Specific Energy
kT hypothetical Vis Viva
$k _{\sf{F}}$ (MeVβˆ™m-1) Quark Models
kΟ„ 2.60534685 x 1056 (s) Lifetime


Adjustable Parameters

internal-energy.png
hconstants.png

Summary
Nouns Definition
Sun Constant ${\sf{\text{Internal Energy of a Down Quark}}} \\ U^{\sf{d}} = 734 \, \left( \sf{\text{neV}} \right) \; \simeq 0 \, \left( \sf{\text{MeV}} \right)$ 1-3
Nouns Definition
Blood Constant ${\sf{\text{Vacuum Magnetic Permeability}}} \\ \mu _{\sf{o}} = 4 \pi \times 10^{-7} \; \; \; \left( \sf{N} \cdot \sf{A^{-2}} \right)$ 1-4
Nouns Definition
Gold Constant ${\sf{\text{Vacuum Electric Permittivity}}} \\ \epsilon_{\sf{o}} = 8.8 \times 10^{-12} \; \; \left( \sf{F} \cdot \sf{m^{-1}} \right)$ 1-5
Nouns Definition
Ice Constant ${\sf{\text{Freezing Point of Water}}} \\ T^{\sf{b}} = 0 \ \ \text{(℃)}$ 1-6
Nouns Definition
Steam Constant ${\sf{\text{Boiling Point of Water}}} \\ T^{\sf{c}} = 100 \ \ \text{(℃)}$ 1-7
Nouns Definition
Heart Constant ${\sf{\text{Time Units Conversion Factor}}} \\ N_{\sf{\Omega}}^{ \mathbf{\Theta}} \equiv 86,400 \; \; \sf{\text{(seconds/day)}}$ 1-8
Nouns Definition
Lemon Constant $\sf{\text{a number associated with sour taste sensations}}$ 1-9
Nouns Definition
Ocean Constant $\sf{\text{a number associated with salty taste sensations}}$ 1-10
Nouns Definition
Honey Constants ${\sf{\text{Supplementary Fine Structure Constants}}} \\ k_{\sf{\, dextro}} \! =40 {\sf{ \; (neV) \; \; \; \; and}} \; \; \; \; k_{\sf{\, levo}} \! =-1.3 {\sf{ \; (Β΅eV) }}$ 1-11
Nouns Definition
Earth Constants ${\sf{\text{Planck's constant}}} \; h \\ {\sf{\text{Quark Metric}}} \; k_{\alpha \beta} ^{ \mathbb{Q} }$ 1-12
Unless otherwise stated, the content of this page is licensed under Creative Commons Attribution-ShareAlike 3.0 License