For Ages 25–35 · Accumulation Phase

GROW
EARLY.
RETIRE
BIG.

Start Early, Power of Compounding, Retire Happy
If You Start at 25 vs 35
$0
Projected 401(k) at age 65 · $833/mo ($10K/yr) · 7% avg return
💚 Start at 25 (40 yrs) $2,187,000
🟡 Start at 35 (30 yrs) $1,017,000
⚡ 10-year cost of waiting -$1,170,000
Your growth potential

This illustrates one tax-deferred account (e.g. a 401k). Contributions lower your taxable income today and compound tax-free — a powerful head start. Stocks, bonds, Roth IRAs, and other investments are not shown here.

The single biggest advantage you have over every older investor is time. Learn how to save smarter, invest wisely, and watch compounding do the heavy lifting.

Power of Compounding → Explore Tools
📊 Free Calculators
🔒 No Data Collected
🎓 Education-First
🧮 IRS 2024–25 Limits Built-In
🏦 Covers 401k · IRA · Roth

Your Toolkit

THREE TOOLS.
ONE MISSION.

Interactive calculators built for the accumulation phase — no sign-up, no ads, just math.

01 / CALCULATOR
📈

COMPOUND GROWTH ENGINE

Model your 401(k) with employer match, annual step-ups, and catch-up contributions. See exactly how much waiting costs you — in dollars.

401(k) IRA Roth Employer Match
Launch Calculator →
02 / BUILDER
🎯

PORTFOLIO BUILDER

Build your first allocation from scratch. Understand index funds, asset classes, rebalancing rules, and how risk changes with your timeline.

Stocks Bonds Rebalancing Risk Score
Build Portfolio →
03 / PROJECTOR
🔭

RETIREMENT PROJECTOR

Map your full accumulation arc to retirement. Track milestone ages, income needs, and whether your current savings rate is on target.

Timeline Social Security Milestones Savings Rate
Run Projection →

The Math Doesn't Lie

WHY YOUR 20s ARE WORTH MORE THAN YOU THINK

Compounding is exponential. That means the first dollar you invest at 25 is worth many times more than a dollar invested at 40. Here's the proof.

⏳

Time Is Your Unfair Advantage

Every decade of delay roughly halves your ending balance. You can't buy back time — but you can start using it now.

🏢

Free Money: Capture Your Employer Match

A 4% employer match on a $70k salary is $2,800/year — 100% instant return. Not capturing it is leaving salary on the table.

🛡️

Tax Shelter at Peak Efficiency

Pre-tax 401(k) contributions reduce your taxable income today. Roth accounts lock in today's lower tax rate for tax-free growth.

$1.17m
The cost of waiting 10 years to start investing $833/month at 7% return
100%
Instant return on every employer match dollar — always contribute enough to capture it
$23,500
2025 annual 401(k) contribution limit — max this and watch compounding accelerate
15%
Recommended savings rate of gross income to stay on track for a comfortable retirement

Quick Peek

RUN YOUR OWN NUMBERS

This is just a preview. The full 401(k) calculator includes employer match, contribution step-ups, Roth vs traditional comparison, and a year-by-year growth chart.

Pre-tax vs Roth comparison — model both scenarios side-by-side with your marginal tax rate
Annual step-up modeling — see the impact of increasing contributions by 1% each year
Employer match optimizer — find the exact contribution % to never leave free money behind
IRS 2025 limits built-in — $23,500 401(k), $7,000 IRA, catch-up rules auto-applied
Open Full Calculator →
⚡ Quick Estimate
At Age 65 You'll Have
$0
including compounding

The Accumulation Roadmap

SAVE WELL. INVEST WELL. MONITOR ALWAYS.

A simple three-focus framework for your first two decades of wealth building.

01
Focus One

SAVE WELL

  • Automate contributions — pay yourself first
  • Hit at least the full employer match
  • Build 3–6 months emergency fund first
  • Increase contribution rate by 1% every raise
  • Know your IRS limits: 401(k), IRA, HSA
  • Minimize high-interest debt before investing
02
Focus Two

INVEST WELL

  • Start with low-cost index funds (total market)
  • Set an age-appropriate asset allocation
  • Diversify: US, international, bonds, REITs
  • Avoid market timing — stay invested
  • Understand Roth vs Traditional trade-offs
  • Explore Mega Backdoor Roth if eligible
03
Focus Three

MONITOR ALWAYS

  • Rebalance annually (or after large drifts)
  • Track your savings rate quarterly
  • Reassess allocation each decade
  • Watch expense ratios — even 0.5% matters
  • Benchmark: 1x salary saved by 30, 3x by 40
  • Run retirement projections every few years