Enter any three of effort, effort arm, load or load arm and solve the fourth from F₁×L₁ = F₂×L₂.
Enter any three of the four values — the fourth is calculated automatically.
Formula
Lever typeMechanical advantage = —
Lever diagram
Formula
F₁ × L₁ = F₂ × L₂
Type any three of effort F₁, effort arm L₁, load F₂ and load arm L₂; the fourth is solved from the lever principle. The tool also classifies the lever as effort-saving, effortful or balanced and shows the mechanical advantage.