FIRE Number Calculator — Financial Independence Simulator
Calculate your Financial Independence, Retire Early (FIRE) savings number. Model retirement age targets and withdrawal rates.
How to use this calculator
👉 Fill in the boxes below and your answer appears instantly — no maths needed, we do it all for you! 🎉
In plain English — what does this do?
💵 A money helper! It works out things like how much to save, how much you owe, or how much you’ll have in the future. Just fill in the boxes and you’ll get your answer.
FIRE stands for Financial Independence, Retire Early. The FIRE Number is the total investment corpus you need to accumulate so that you can live off your investment returns permanently without working.
FIRE Targets Overview
What is FIRE Number Calculator — Financial Independence Simulator?
FIRE stands for Financial Independence, Retire Early. The FIRE Number is the total investment corpus you need to accumulate so that you can live off your investment returns permanently without working.
How to use it
- 1️⃣ Enter your estimated annual living expenses in retirement.
- 2️⃣ Input your expected Safe Withdrawal Rate (commonly 4% based on the Trinity Study).
- 3️⃣ Enter your current age and target retirement age.
- 4️⃣ Enter expected inflation rate to calculate the future inflated FIRE number.
- 5️⃣ Review your nominal and inflation-adjusted FIRE corpus targets.
Formula
💡 See it in action — a real example
❓ Common questions
- What is the 4% rule?
- The 4% rule is a guideline stating that an investor can safely withdraw 4% of their initial portfolio value in the first year of retirement, and adjust subsequent withdrawals for inflation, with an extremely low historical probability of running out of money over 30 years.