die Faustregel
Translation
rule of thumb, rough guide
Examples
Als Faustregel gilt: doppelt so viel Wasser wie Reis.
As a rule of thumb: twice as much water as rice.
Es gibt eine einfache Faustregel dafür.
There is a simple rule of thumb for that.
Grammar Patterns
als Faustregel gilt as a rule of thumb, ... As a rule of thumb, it's better to start early.
eine Faustregel anwenden to apply a rule of thumb You can apply a rule of thumb here.
Similar Words
Synonyms: guideline, ballpark figure; Antonyms: exact formula, law
Etymology
A compound noun from 'Faust' (fist) and 'Regel' (rule). It refers to an imprecise but useful measurement, like one made with a thumb or fist.
Memory Tips
Literally 'fist-rule'. Imagine a craftsman using their thumb for a quick measurement. It's a direct equivalent of the English 'rule of thumb'.