Retirement Savings Calculator

Project your retirement savings with 401(k), Traditional IRA, and Roth IRA comparisons. Model employer matches, visualize growth over time, and estimate your monthly retirement income.

Your Retirement Details

Used for employer match calculation

Employer Match

% of your contribution they match
They match up to this % of your salary

Tax Assumptions

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Whether you're opening your first IRA or maximizing your 401(k), these platforms make retirement investing simple and low-cost.

Retirement Savings: The Complete Guide

Planning for retirement is one of the most important financial decisions you'll ever make. Whether you're just starting your career, freelancing, or running a small business, understanding how retirement accounts work — and how much you need to save — can mean the difference between a comfortable retirement and financial stress.

How Much Do You Need to Retire?

The amount you need depends on your desired lifestyle, but a widely used guideline is the "25x rule": save 25 times your expected annual expenses in retirement. If you need $50,000/year, aim for $1.25 million. This aligns with the 4% withdrawal rule, which suggests withdrawing 4% of your portfolio annually provides income for 30+ years. Our calculator uses this methodology to estimate your monthly retirement income.

Understanding 401(k) Plans

A 401(k) is an employer-sponsored retirement plan that lets you contribute pre-tax dollars, reducing your current taxable income. In 2025, you can contribute up to $23,500 ($31,000 if you're 50+). The biggest advantage is the employer match — if your employer matches 50% of contributions up to 6% of salary, that's an immediate 50% return on your money. Always contribute at least enough to get the full employer match; it's literally free money.

Traditional IRA vs Roth IRA

Both IRAs have a 2025 contribution limit of $7,000 ($8,000 if 50+). The key difference is when you pay taxes:

The Power of Employer Matching

Employer matching is one of the most valuable benefits available. A typical match of 50% up to 6% of salary means if you earn $80,000 and contribute $4,800 (6%), your employer adds $2,400. Over 35 years at 7% returns, that employer match alone grows to over $350,000. Our calculator shows you exactly how much your employer match contributes to your total retirement savings.

Retirement Savings for Freelancers & Self-Employed

Without an employer-sponsored plan, freelancers have powerful alternatives:

Key Strategies for Maximizing Retirement Savings

Frequently Asked Questions

How much should I save for retirement?
A common guideline is to save 10-15% of your gross income for retirement. By age 30, aim to have 1x your salary saved; by 40, 3x; by 50, 6x; by 60, 8x; and by 67, 10x your salary. However, your specific needs depend on your desired retirement lifestyle, expected Social Security benefits, and other income sources.
What is an employer match and how does it work?
An employer match is when your employer contributes money to your 401(k) based on your own contributions. A common match is 50% of your contributions up to 6% of your salary. For example, if you earn $80,000 and contribute 6% ($4,800), your employer adds $2,400. This is essentially free money — always contribute enough to get the full match.
What is the difference between a 401k, Traditional IRA, and Roth IRA?
A 401(k) is employer-sponsored with higher contribution limits ($23,500 in 2025). Traditional IRAs and 401(k)s use pre-tax dollars — you pay taxes on withdrawals in retirement. Roth IRAs and Roth 401(k)s use after-tax dollars — withdrawals in retirement are tax-free. Roth accounts are better if you expect to be in a higher tax bracket in retirement; traditional accounts are better if you expect a lower bracket.
How does compound interest affect retirement savings?
Compound interest is the primary engine of retirement savings growth. Your investments earn returns, and those returns earn additional returns. Over 30-40 years, compounding can turn modest monthly contributions into a substantial nest egg. For example, $500/month at 7% annual returns grows to about $567,000 in 30 years — you contributed $180,000 but earned $387,000 in investment growth.
What rate of return should I assume for retirement planning?
A commonly used assumption is 7% average annual return for a stock-heavy portfolio, which reflects historical S&P 500 returns adjusted for inflation. More conservative estimates use 5-6%. If you're closer to retirement with a bond-heavy portfolio, 4-5% may be more appropriate. This calculator lets you adjust the rate to see different scenarios.
When should I start saving for retirement?
As early as possible. Thanks to compound interest, starting at 25 vs 35 can nearly double your retirement balance even with the same monthly contribution. If you're a freelancer or self-employed, consider a SEP IRA or Solo 401(k) which allow higher contribution limits than traditional IRAs.
How much retirement income will I need?
A common rule of thumb is you'll need 70-80% of your pre-retirement income. The 4% rule suggests you can withdraw 4% of your savings annually in retirement without running out over 30 years. So a $1 million portfolio could provide about $40,000/year. This calculator estimates your monthly retirement income using the 4% withdrawal rate.

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Methodology, Assumptions, and Limitations

About this page: Retirement Savings Calculator — 401k & IRA is designed to help visitors make faster, better-informed decisions without creating an account or giving up personal data.

This estimate uses current federal and/or state tax assumptions, common filing-status logic, and the inputs you enter. It does not reproduce your exact payroll system, year-to-date withholding history, or every local tax rule.

Worked example: Example: compare the same salary under two filing statuses or with different pre-tax deductions to see how withholding or after-tax cash flow changes.

Source References

Editorial Transparency

Last updated: March 9, 2026 · Author: CalcSharp Editorial Team · Reviewed by: CalcSharp Finance Review Desk

CalcSharp publishes free educational calculators and guides. We prioritize plain-English explanations, visible assumptions, and links to primary or official references wherever practical.

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