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Retirement Savings Calculator

Plan your retirement by estimating how much your savings will grow over time. Enter your current age, planned retirement age, current savings, monthly contribution, and expected annual return to see your projected retirement balance. The power of compound interest means starting early makes a significant difference.

How to Use

1 Enter your current age and the age you plan to retire.
2 Input your current retirement savings balance.
3 Add your planned monthly contribution amount.
4 Set your expected average annual investment return rate.
5 Review your projected balance, total contributions, and investment growth.

Formula

Years retirement_age - current_age
Monthly Rate annual_return_pct / 100 / 12
Projected current_savings × (1 + monthly_rate)^(years × 12) + monthly_contribution × [((1 + monthly_rate)^(years × 12) - 1) / monthly_rate]

Example: 30-Year-Old Saving for Retirement

A 30-year-old with $50,000 saved, contributing $500/month at 7% annual return until age 65 would have: Years to retirement = 35, Projected balance ≈ $1,143,382, Total contributions = $260,000 ($50,000 + $210,000), Investment growth ≈ $883,382.

Why It Matters

The earlier you start saving for retirement, the more time compound interest has to work in your money. Even small increases in monthly contributions or starting a few years earlier can result in significantly more savings at retirement. Understanding these projections helps you make informed decisions about your financial future.

Who Uses This Calculator?

  • • People comparing loan, mortgage, salary, savings, tax, or investment scenarios before making a money decision.
  • • Homeowners, borrowers, employees, freelancers, and small business owners who need fast estimates without a spreadsheet.
  • • Anyone who wants to understand the inputs, formula, and tradeoffs behind a financial result.

Frequently Asked Questions

What is a reasonable annual return to expect?
The historical average annual return of the S&P 500 is about 10% before inflation, or about 7% after inflation. For retirement planning, using 6-7% (real return) is considered conservative and reasonable for a diversified stock portfolio over long periods.
How much should I save for retirement?
A common guideline is to save 15-20% of your gross income for retirement. This includes any employer match. Many experts recommend having 10-12 times your final salary saved by retirement. The exact amount depends on your desired retirement lifestyle and expected expenses.
What if I start saving late?
If you start later, you will need to save a higher percentage of your income. Consider maximizing contributions to tax-advantaged accounts (401k, IRA), taking advantage of catch-up contributions if over 50, and potentially delaying retirement by a few years to allow more growth time.
Does this account for inflation?
This calculator shows nominal values. To account for inflation, use a real return rate (nominal return minus inflation, typically 7% - 3% = 4%) or divide the projected balance by the expected inflation factor to estimate purchasing power in today's dollars.

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This calculator provides estimates for informational purposes only and is not financial, tax, or legal advice. Consult a qualified professional before making financial decisions.