---
title: FIRE (financial independence, retire early) — what it means and why it matters | Allocate AI
description: A plan to save a large share of income so that investments can cover living costs long before traditional retirement age.
canonical: https://allocateai.io/glossary/fire
site: Allocate AI — https://allocateai.io
---

# FIRE (financial independence, retire early)

A plan to save a large share of income so that investments can cover living costs long before traditional retirement age.

FIRE stands for financial independence, retire early. The idea is to save aggressively, often 40% to 70% of take-home pay, invest it in low-cost index funds, and reach a point where the portfolio can pay for life indefinitely. Retire early is optional; the real goal is having the choice.

The target is usually 25 times annual spending, from the 4% rule. Someone spending $60,000 a year needs about $1,500,000. Someone spending $40,000 needs $1,000,000. That is why spending, not income, drives the timeline. Cutting $10,000 of yearly spending both lowers the target by $250,000 and raises the amount saved each year.

Savings rate is the lever. At a 15% savings rate, reaching independence takes around 40 years. At 50% it takes around 17. At 70% it takes under 10. Those numbers assume steady returns and a constant lifestyle, which real life rarely delivers, but the shape holds.

For people paid in salary plus stock, FIRE math has a wrinkle: vests and bonuses can raise the savings rate sharply, but the target should be based on what you actually spend, not on a lifestyle inflated by a few strong equity years.

The common mistake is fixating on the finish line and ignoring the years in between. A plan that requires misery for fifteen years usually gets abandoned. Variations like coast FIRE and FatFIRE exist because people wanted more sustainable versions.

[Try the FatFIRE Withdrawal Calculator →](https://allocateai.io/calculators/fire-withdrawal)

## Related terms

- [Safe withdrawal rate (the 4% rule)](https://allocateai.io/glossary/safe-withdrawal-rate) — The percentage of a portfolio you can spend each year, adjusted for inflation, with a good chance it lasts 30 years; the classic estimate is 4%.
- [Coast FIRE](https://allocateai.io/glossary/coast-fire) — Having enough invested that, with no more contributions, it will grow into a full retirement fund by normal retirement age; you only cover today's bills.
- [FatFIRE](https://allocateai.io/glossary/fatfire) — Financial independence with a large budget, typically $100,000 or more of yearly spending, which means a portfolio of several million dollars.
- [Net worth](https://allocateai.io/glossary/net-worth) — Everything you own minus everything you owe, one number that shows whether your finances are moving forward over time.

**Plan in plain language.**

Allocate answers “can I afford this?” from your own numbers, writes the plan, and stages every change for your yes. It starts from an estimate before you link a bank.

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Allocate AI is a budgeting and financial-planning app: link your accounts, say what you want in plain words, and it writes the plan and stages every change for your approval. Read more at https://allocateai.io or see all pages in https://allocateai.io/llms.txt.