FIRE Calculator
Estimate your financial independence target and timeline using savings, return, and inflation assumptions.
Planning Inputs
$1,200,000.00
FIRE Number
Age 57
FIRE Age
27 years
Years to FIRE
$48,000.00
Annual Expenses
Based on current assumptions, you can reach financial independence at age 57 in 27 years.
Portfolio vs FIRE Target
Savings Rate Impact
Current savings rate: 33.3%
$1,200,000.00
Target
$4,000.00
Monthly Spend
$2,000.00
Monthly Save
Estimates only and should not be considered financial, legal, or tax advice.
What is the FIRE Calculator?
The FIRE (Financial Independence, Retire Early) Calculator calculates your FIRE Number, savings rate, and exact timeline to achieve full financial freedom.
It analyzes values such as current assets, liabilities, goal amount, timeline and returns insight through outputs like gap to goal, required contribution pace, progress status, readiness score.
This structure helps you compare alternatives, understand trade-offs, and identify whether your current strategy is aligned with your goals.
How to Use the FIRE Calculator
Enter your annual living expenses and current invested net worth.
Select your Safe Withdrawal Rate (SWR)—typically 3.5% to 4.0%.
Enter your annual savings rate and expected real investment return.
View your FIRE Number, years until independence, and Milestones (Lean FIRE, Standard FIRE, Fat FIRE).
Example Scenario
Example: planning with FIRE Calculator
Start with a realistic baseline using your current numbers, then compare alternative assumptions before committing to a financial decision.
- Input your current estimates for current assets, liabilities, goal amount, timeline.
- Review the outputs for gap to goal and required contribution pace.
- Adjust one important variable at a time and compare the impact.
Use the roadmap to prioritize the highest-impact financial actions first.
Why Use the FIRE Calculator?
- Based on the Trinity Study 4% rule adapted for early retirees.
- Demonstrates that your savings rate matters far more than salary alone in accelerating FIRE.
- Clear milestone progression keeps long-term compounding engaging.
Frequently Asked Questions
Your FIRE Number is your annual living expenses divided by your Safe Withdrawal Rate (or annual expenses multiplied by 25 under the standard 4% rule). For $60,000 annual spending, your FIRE target is $1,500,000.
Related Calculators
Continue with adjacent tools
Savings Goal
Calculate how long it takes to reach a savings target with monthly contributions.
Emergency Fund
Determine whether your emergency savings are enough for your risk profile.
Retirement Planning
Estimate retirement corpus needs and compare with your projected savings.
Millionaire Calculator
Estimate when your net worth can reach one million dollars.