The FIRE Savings Rate Calculator: How Your Savings Rate Maps to Years Until Financial Freedom

At a 10% savings rate, financial independence takes 51 years. At 50%, it takes 17 years. At 70%, just 8.5 years. Your savings rate — not your income — is the single variable that determines when you can stop working. This guide covers the math behind the famous Mr. Money Mustache savings rate table, why someone earning $200K at 10% savings rate is worse off than someone earning $60K at 50%, real-world benchmarks (BLS average 4.6% vs FIRE community 40-60%), how to calculate your TRUE savings rate, sensitivity analysis at different return assumptions, and practical strategies to increase your savings rate by 10% in 90 days.