Handregel
Handregel is a German term for a rough, experience-based guideline used to make quick estimates or decisions without formal calculations. The expression literally suggests guidance drawn from the hand, but in practice it denotes a practical rule of thumb rather than a rigorously derived principle.
In use, hand rules appear across everyday life and professional contexts. They help with rapid planning, initial
Etymology and relationship to other terms: Handregel is closely related to Faustregel (faustregel) and Daumenregel (Daumenregel),
Limitations: Handregeln are inherently imprecise and context-dependent. They may yield biased or inaccurate results if applied