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Regla del 72

The idea

La Regla del 72 estima que se necesitan años para duplicar el dinero a una tasa compuesta constante: una aproximación de bolsillo, no un prospecto.

The Rule of 72 estimates years to double money at a constant compound rate — a pocket approximation, not a prospectus.

This atlas page keeps the focus on mechanisms you can reason about: rates, time, contributions, costs and behaviour — not stock tips or promised yields.

Principles

Misconceptions

Why it matters

Rule of 72: keep the definition tight, the units dated, and the costs visible — then the “magic” looks like arithmetic with a long clock.

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