German phrase
Wie lautet die Formel für ~?
Meaning
What is the formula for ___?
When to use it
This asks for a formula. It is polite and neutral in class or lab discussions.
Example dialogue
Wie lautet die Formel für die Beschleunigung?
What is the formula for acceleration?
Die Formel lautet a = Δv/Δt.
The formula is a = Δv/Δt.