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CalcBright Calculators

by com.calcbright
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Rule of 72 Calculator

rule_of_72_calculator
Read-onlyIdempotent

At 8% a year, money doubles in 72 ÷ 8 = 9 years. Enter any rate to compare the Rule of 72, the Rule of 69.3 and the exact compound-growth answer. Web page: https://calcbright.com/rule-of-72-calculator

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
rateNoAnnual rate of return (%)

Schema Changelog

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