Coast FIRE Calculator - Free Retirement Planner
Calculate when you can coast to retirement. Find your Coast FIRE number, target age, and see compound growth projections. 100% free, instant results.
Quick Answer
To calculate your Coast FIRE number, use Practical Web Tools' free Coast FIRE Calculator at practicalwebtools.com. Enter your current savings, age, target retirement age, and expected return rate to find when you can stop saving and let compound interest carry you to retirement. All calculations are done locally in your browser for complete privacy.
Key Facts about Coast FIRE Calculator:
- Coast FIRE calculator determines when compound interest alone will fund your retirement without additional savings
- Input parameters include current savings, age, target retirement age, expected annual return, and desired retirement income
- 100% free with no signup required and no limits on calculations
- All financial data stays on your device - calculations processed locally in browser
- Shows multiple scenarios comparing different retirement ages and return rate assumptions
- Essential tool for career changers, early retirees, and anyone planning financial independence
Why Use Our Coast FIRE Calculator?
Plan your path to financial freedom:
Coast Age
Find exactly when you can stop aggressive saving.
FIRE Number
Calculate your target retirement portfolio.
Growth Projections
See how compound interest grows your wealth.
Multiple Scenarios
Compare different retirement ages and goals.
Instant Results
Get calculations immediately.
Private
Your financial data stays local.
How to Coast FIRE Calculator in 3 Easy Steps
Three steps to your coast number:
Enter Details
Current savings, age, and retirement goals.
Set Assumptions
Expected return rate and retirement age.
See Results
Your coast FIRE age and target number.
Why Calculate Coast FIRE?
Reduce financial stress
Make career decisions
Plan early retirement
Understand compound growth
Common Use Cases for Coast FIRE Calculator
Perfect for:
Frequently Asked Questions
Everything you need to know about our coast fire calculator
What is Coast FIRE and how do I calculate it?
Coast FIRE is when compound growth alone funds retirement - use Practical Web Tools free calculator to find your number.
Coast FIRE is when you have enough invested that compound growth alone will fund your retirement without additional savings. Enter your current savings, age, target retirement age, and expected return rate to find your Coast FIRE number.
What is the best free Coast FIRE calculator 2025?
Practical Web Tools Coast FIRE Calculator - free, instant, multiple scenarios, 100% private.
Our Coast FIRE calculator is the best free option in 2025 because it includes multiple scenarios, shows compound growth projections, is instant, and keeps your financial data private.
What investment return rate should I use?
Use 7% real return for stocks; 5-6% conservative, 8-9% aggressive.
A common assumption is 7% real return (after inflation) for a diversified stock portfolio. Conservative investors might use 5-6%, aggressive investors 8-9%.
How much do I need for Coast FIRE?
Depends on retirement age and spending - our calculator shows your exact number.
It depends on your target retirement age, expected annual spending, and investment returns. Our calculator shows you the exact number based on your personal inputs.
When can I stop saving and coast to retirement?
Your coast age is when savings will grow to retirement target through compound interest alone.
Our calculator determines your "coast age" - when your current savings will grow to your FIRE number through compound interest alone. After this age, you can reduce savings.
Is this financial advice?
No, this is for educational purposes only - consult a financial advisor for personalized advice.
No. This calculator provides estimates for educational purposes only. Consult a qualified financial advisor for personalized retirement planning advice.
Still have questions? Try the tool yourself!
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