Retirement Calculator
Project your retirement nest egg with monthly contributions.
See how it works
Watch a quick simulation of this tool in action — no file needed.
How to use Retirement Calculator
Follow these steps — everything happens instantly in your browser.
- 1
Step 1. Enter your current age and target retirement age.
- 2
Step 2. Enter your current retirement savings.
- 3
Step 3. Enter your monthly contribution (401k, IRA, etc.).
- 4
Step 4. Set the expected annual return (5-7% is conservative).
- 5
Step 5. See your projected nest egg and growth breakdown.
Why use this tool
Private by design
All processing happens locally in your browser. Open DevTools → Network and you'll see zero file uploads. Ever.
Instant
No upload wait, no queue, no server round-trip. Results appear the moment you drop a file.
Free & unlimited
No accounts, no watermarks, no daily caps. Use it as many times as you like, forever.
Works everywhere
Desktop, tablet or phone — every tool is responsive and installable as a PWA for offline use.
Frequently asked questions
Everything you might want to know about retirement calculator.
FIRE Calculator
Find your FIRE number and how long until you can retire early.
Compound Interest Calculator
See your money grow with compounding — daily, monthly, yearly.
Savings Goal Calculator
How long until you reach your savings goal — with interest.
Net Worth Calculator
Assets minus liabilities — your true financial position.