User:Exuwon/Sandbox/Templates/Template:Table of universal constants

Quantity	Symbol	Value	Relative Standard Uncertainty
speed of light in vacuum	$c\,$	299 792 458 m·s−1	defined
Newtonian constant of gravitation	$G\,$	6.67428(67)×10−11 m3·kg−1·s−2	1.0 × 10−4
Planck constant	$h\,$	6.626 068 96(33) × 10−34 J·s	5.0 × 10−8
reduced Planck constant	$\hbar =h/(2\pi )$	1.054 571 628(53) × 10−34 J·s	5.0 × 10−8