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MonoCalc

Retirement Calculator

Currency

Current Age

Retirement Age

Life Expectancy

Average life expectancy is around 80-85 years

Current Retirement Savings

Monthly Contribution

Expected Annual Return Rate (%)

Historically, stock markets have returned 7-10% annually over the long term

Expected Inflation Rate (%)

Average inflation rate is typically around 2-3% annually

Annual Retirement Expenses

Typically 70-80% of your pre-retirement income

Retirement Summary

Projected Savings at Retirement
$0.00
Nominal value (not adjusted for inflation)
Inflation-Adjusted Savings
$0.00
Today's purchasing power
Required Retirement Savings
$0.00
Based on your retirement expenses
Retirement Savings Gap
Shortfall: $0.00
Additional savings needed

Retirement Savings Breakdown

Note: This calculator provides estimates based on the information you provide. Actual retirement outcomes may vary based on market performance, changes in inflation, and other factors. It's recommended to consult with a financial advisor for personalized retirement planning.

About the tool

💰 Retirement Calculator – Plan Your Financial Future

Planning for retirement is one of the most important financial decisions you'll make. The Retirement Calculator helps you estimate how much you'll need to save and how your savings will grow over time, accounting for inflation and investment returns.

This guide explains retirement planning concepts, how the calculator works, and how to use it to make informed decisions about your financial future.

📘 Why Plan for Retirement?

Retirement planning is essential because:

  • Longer lifespans mean more years in retirement to fund
  • Inflation reduces the purchasing power of your money over time
  • Healthcare costs typically increase as you age
  • Social security benefits may not cover all your needs
  • Early planning takes advantage of compound growth

⚙️ How the Retirement Calculator Works

Our retirement calculator uses these key formulas:

Future Value of Current Savings:

FV = PV × (1 + r)^n

Where:

  • FV = Future value of your current savings
  • PV = Present value (current savings)
  • r = Annual return rate (as a decimal)
  • n = Number of years until retirement

Future Value of Regular Contributions:

FV = PMT × ((1 + r)^n - 1) / r × (1 + r)

Where:

  • FV = Future value of your contributions
  • PMT = Regular payment (monthly contribution)
  • r = Monthly return rate (annual rate ÷ 12)
  • n = Number of months until retirement

Inflation Adjustment:

Real Value = Nominal Value / (1 + i)^n

Where:

  • i = Annual inflation rate (as a decimal)
  • n = Number of years

🧩 Key Features

  • ⚡ Instant calculations as you adjust inputs
  • 📊 Visual breakdown of your retirement savings
  • 🔐 Client-side only — no data is ever uploaded
  • 📱 Mobile and desktop-friendly interface
  • 🔢 Accurate calculations using industry-standard formulas

💡 Practical Uses of the Retirement Calculator

  • 🎯 Setting realistic retirement savings goals
  • 📅 Determining your optimal retirement age
  • 💵 Calculating how much to save monthly
  • 📈 Estimating the impact of different investment returns
  • 🔍 Understanding how inflation affects your savings
  • 📊 Comparing different retirement scenarios

For example, you can use this calculator to see how increasing your monthly contributions by just a small amount could significantly impact your retirement savings over time.

✅ Understanding Retirement Planning Components

When planning for retirement, it's important to understand these key components:

  • Current Age: Your age today
  • Retirement Age: When you plan to retire
  • Current Savings: How much you've already saved for retirement
  • Monthly Contribution: How much you save each month
  • Expected Return Rate: Annual return on investments (before inflation)
  • Inflation Rate: Expected annual inflation rate
  • Retirement Expenses: How much you'll need annually in retirement

🌟 Examples of Retirement Calculations

Here are some examples of retirement calculations:

  • Early Saver: A 25-year-old saving $500 monthly with 7% returns until age 65 could accumulate approximately $1,200,000
  • Mid-Career Boost: A 40-year-old with $100,000 saved, increasing to $1,000 monthly with 6% returns until age 67 could reach about $900,000
  • Pre-Retirement Check: A 55-year-old with $400,000 saved, contributing $1,500 monthly with 5% returns until age 65 could have about $730,000

⚠️ Things to Keep in Mind

  • ❌ The calculator provides estimates and actual results may vary
  • ❌ Investment returns are not guaranteed and may fluctuate
  • ❌ The calculator assumes consistent contributions and returns
  • ❌ Tax implications are not considered in the calculations
  • ❌ Social security benefits are not included in the calculations

🔄 How to Use the Retirement Calculator

  1. Enter your current age and expected retirement age
  2. Input your current retirement savings
  3. Enter your monthly contribution amount
  4. Set your expected annual return rate and inflation rate
  5. Input your desired annual retirement income
  6. The calculator will instantly display your projected retirement savings, whether you're on track, and how much more you might need to save
  7. Adjust any input to see how it affects your retirement outlook

Frequently Asked Questions

  • Is the Retirement Calculator free ?

    Yes, Retirement Calculator is totally free :)

  • Can i use the Retirement Calculator offline ?

    Yes, you can install the webapp as PWA.

  • Is it safe to use Retirement Calculator ?

    Yes, any data related to Retirement Calculator only stored in your browser(if storage required). You can simply clear browser cache to clear all the stored data. We do not store any data on server.

  • What is a Retirement Calculator?

    A Retirement Calculator is a financial planning tool that helps you estimate how much money you'll need to save for retirement, taking into account factors like inflation, investment returns, and your desired retirement lifestyle.

  • How does inflation affect retirement savings?

    Inflation reduces the purchasing power of money over time. For example, with 3% annual inflation, $100 today will only buy about $74 worth of goods in 10 years. Retirement calculators account for inflation to ensure your savings will maintain their value throughout your retirement years.

  • How much should I save for retirement?

    Financial experts often recommend saving 10-15% of your income for retirement, but the ideal amount varies based on your age, desired retirement lifestyle, expected retirement age, and other factors. This calculator can help you determine a more personalized savings target.

  • What is the future value formula?

    The future value formula calculates what an investment will be worth after a certain period, considering the initial investment, interest rate, and time. The formula is FV = PV × (1 + r)^n, where FV is future value, PV is present value, r is the interest rate, and n is the number of periods.