Do calls have fold equity?

No. Calling does not make opponents fold, which is why calling ranges are usually tighter than shoving ranges.

What increases fold equity?

Late position, unopened pots, tighter opponents, stack leverage, and antes can all increase fold equity.

Poker glossary

Understand fold equity, why shoves can win without showdown, and how it affects tournament poker decisions.

Fold equity is the value you gain when opponents fold and you win the pot without needing to show down the best hand.

Short-stack tournament shoves often rely on fold equity. A hand can be profitable to shove even when it is not thrilled to get called.

A5s on the button at 10BB can work as an open shove because the blinds fold often enough and the hand has blocker and suited equity when called.

Judging a shove only by how it performs when called. The folds are part of the profit.