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© 2026 Scypion Finance. Founded by Erajah Scypion.Your money, and the forces that move it.
Home›Calculators›Tax & Retirement›Retirement & 401(k) Calculator
◆ CALCULATOR

Retirement & 401(k) Calculator

Project what your retirement accounts could be worth, and watch compounding and the employer match do the heavy lifting.

✓ ReviewedBy the Scypion Finance team · The method, a worked example, and the sources are laid out below.
◆ CALCULATOR

Retirement / 401(k)

Project your nest egg, and see how much of it is growth, not just what you put in.

Try an example
You today
Current Age
yrs
Retirement Age
yrs
Current Balance
$
Annual Salary
$
Contributions & match
Your Monthly Contribution
$
Employer Match
%
Match Up To (% of Salary)
%
Assumptions
Annual Return Rate
%
Inflation Rate
%
Projected Nest Egg at Age 65
$1,465,168
Your Contributions
$235,000
Employer Match
$63,000
Investment Growth
$1,167,168
Balance
$0$384,607$769,213$1,153,820$1,538,427Age 31Age 37Age 43Age 49Age 55Age 61Age 65
xBalance
Age 31$34,909
Age 32$45,535
Age 33$56,929
Age 34$69,147
Age 35$82,247
Age 36$96,295
Age 37$111,359
Age 38$127,511
Age 39$144,831
Age 40$163,403
Age 41$183,318
Age 42$204,672
Age 43$227,570
Age 44$252,123
Age 45$278,451
Age 46$306,682
Age 47$336,955
Age 48$369,415
Age 49$404,223
Age 50$441,546
Age 51$481,568
Age 52$524,482
Age 53$570,499
Age 54$619,843
Age 55$672,754
Age 56$729,489
Age 57$790,326
Age 58$855,561
Age 59$925,512
Age 60$1,000,519
Age 61$1,080,949
Age 62$1,167,193
Age 63$1,259,672
Age 64$1,358,836
Age 65$1,465,168

Past 50 you can contribute extra (catch-up). Check current IRS limits.

How to use this calculator

  1. Enter your current and target retirement ageThe gap is your years of compounding.
  2. Add your balance, contribution, and employer matchAlways contribute enough to capture the full match, it's free money.
  3. Set an expected returnAbout 6–7% is a common long-run assumption for a diversified portfolio.

Retirement saving rewards two habits above all: starting early and capturing every dollar of the employer match. Over a long career, compounding growth usually dwarfs the total you personally contribute.

◆ Frequently Asked Questions

How much should I contribute to my 401(k)?

At a minimum, contribute enough to capture the full employer match, since that match is an immediate return on your money. Beyond that, many people aim for 10% to 15% of pay, including the match.

Why does the employer match matter so much?

It is money your employer adds when you contribute, often 50% or 100% up to a limit. It is part of your pay, so not capturing the full match leaves guaranteed money on the table.

What return rate should I assume?

About 6% to 7% per year is a common long-run assumption for a diversified portfolio. Returns vary widely year to year, so treat the projection as a planning estimate, not a promise.

Should I choose a traditional or Roth 401(k)?

A traditional 401(k) lowers your taxes now and is taxed when you withdraw. A Roth is funded with after-tax money and grows tax-free. Roth often favors younger savers who expect higher income later.

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◆ Sources

  1. IRS, 401(k) Plans
  2. IRS, Retirement Topics: 401(k) Contribution Limits
  3. U.S. SEC, Investor.gov, Traditional and Roth 401(k) Plans
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