Calculate force, distance, or mechanical advantage of a lever.
Lever Parameters
m
N
m
Balance Results
Enter parameters to balance the lever
About this calculator
Quick Reference
F₁Effort Force
d₁Distance to fulcrum (Effort)
F₂Load Force
d₂Distance to fulcrum (Load)
MAMechanical Advantage
Overview
A lever is a simple machine consisting of a beam or rigid rod pivoted at a fixed hinge, or fulcrum. It works on the principle of moments: to be in balance, the torque on one side must equal the torque on the other.
💡
Pro Tips
Mechanical Advantage (MA) = d₁ / d₂ = F₂ / F₁.
A longer effort arm allows you to lift heavier loads with less force.
The formula is F₁ * d₁ = F₂ * d₂.
!
Fun Facts
"Wait, did you know that Archimedes once said: 'Give me a place to stand, and I shall move the Earth'? He was talking about the incredible power of levers!"
"Our bodies are full of levers—your forearm is a third-class lever where the elbow is the fulcrum, the bicep provides the force, and the hand holds the load."
"Scissors are actually two first-class levers working together in opposite directions."
