# Hubble's constant

> constant of proportionality occurring in Hubble's law, ca. 70 (km/s)/Mpc; the value of the Hubble parameter in the present time

**Wikidata**: [Q2031181](https://www.wikidata.org/wiki/Q2031181)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Hubble's_constant)  
**Source**: https://4ort.xyz/entity/hubble-s-constant