Retirement Calculator

Form

Gender

male female

Current age

Retirement age

Your life expectancy

Savings amount

Amount already saved

Investment rate

Government pension

Cost of living

Results

You need to save yearly

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1 What is Retirement ?
2 How to Use This Calculator
3 Formula Used
4 Variables Explained
5 Worked Example
6 Why Use This Calculator?
7 Common Mistakes
8 Frequently Asked Questions
9 Sources & References
10 Related Calculators

What is Retirement ?

This retirement calculator makes a simple year-by-year funding estimate. It grows money already saved, adds the future value of regular contributions, and compares that projected balance with retirement living costs after pension income. It can expose a possible surplus or gap under one set of assumptions.

The result is a planning illustration, not a promise. It does not model inflation, taxes, investment fees, changing contributions, market volatility, withdrawals earning returns after retirement, or unexpected expenses. Real retirement planning usually needs several scenarios and periodic review.

How to Use This Calculator

Enter current age, planned retirement age, and a planning age later than retirement.
Enter the regular saving amount and choose whether it is monthly or yearly. Monthly saving is multiplied by 12 and then treated as one annual contribution.
Enter current savings and an assumed annual investment return.
Enter pension income and living costs as monthly or yearly amounts.
Use the same currency for every money field, then select Calculate.

The page assumes current savings compound annually until retirement and regular contributions arrive at each year-end. It totals living costs and pension without growth or inflation during retirement. Gender is displayed on the form but does not alter this calculation.

Formula Used

Years to retirement = retirement age − current age

Projected balance = current savings × (1 + r)ⁿ + annual contribution × [((1 + r)ⁿ − 1) ÷ r]

Net retirement need = annual living cost × retirement years − annual pension × retirement years

Projected surplus = projected balance − net retirement need. When r is zero, contributions are multiplied by n instead of using the annuity factor. The extra yearly saving uses that same future-value factor.

Variables Explained

Entry or result	Meaning in this estimate
Current and retirement ages	Whole ages that determine the saving horizon n.
Planning age	The assumed end of the retirement period; it is not a lifespan prediction.
Current savings	Money already accumulated at the start of the projection.
Regular saving	Monthly or yearly contribution converted to an annual amount.
Investment return r	The assumed annual percentage, entered as a percent.
Living cost and pension	Amounts converted to annual totals and held constant in the model.
Extra yearly saving	Additional year-end contribution estimated to close the projected gap.

Worked Example

Consider someone aged 40 who plans to retire at 65 and plans through age 85. They have 50,000 USD, save 500 USD monthly, assume 5% annual growth, expect 1,250 USD monthly pension, and enter 40,000 USD yearly living costs.

The page converts saving to 6,000 per year and pension to 15,000 per year. Over 25 years, current savings grow to about 169,318 and contributions to about 286,363, for roughly 455,681. Twenty retirement years cost 800,000, while pension totals 300,000, leaving a 500,000 net need. The projected gap is about 44,319, and the additional annual saving needed under the same 5% assumption is about 929.

Why Use This Calculator?

A surplus means projected savings exceed the simplified net need; a gap means they fall short. Neither label says a person is definitively ready or unready. Test lower returns, higher spending, a later planning age, and different retirement dates. A plan that works only with optimistic inputs has little margin.

All amounts are nominal unless you deliberately enter inflation-adjusted figures and a real return. Keep the basis consistent. Social benefits, pension rules, taxes, healthcare, debt, housing, and withdrawal strategy can materially change the picture. A regulated financial professional can help build a fuller plan suited to the relevant country and circumstances.

Common Mistakes

Mixing currencies; the menus label amounts and do not exchange them.
Entering a monthly value while yearly is selected, or converting monthly values manually and also selecting monthly.
Using a return before fees with costs that assume after-fee growth.
Ignoring inflation while treating a distant living-cost estimate as certain.
Reading the planning age as a prediction of personal life expectancy.
Assuming a smooth return means markets will deliver that rate every year.

Frequently Asked Questions

Does this calculator include inflation?

No. It holds entered living costs and pension constant. Run separate consistent scenarios or use real, inflation-adjusted amounts and a real return when that approach suits your plan.

When are contributions assumed to be made?

Monthly entries are converted to annual totals, and the model treats contributions as arriving at each year-end. True monthly deposits would produce a somewhat different result.

Can I mix dollars and euros?

No. Currency menus do not perform exchange-rate conversion. Convert every money amount to one currency before calculating.

What does the extra yearly saving mean?

It is the additional annual year-end contribution, above the regular saving entered, estimated to close the displayed gap under the same constant return.

Why should I try several return rates?

Investment returns vary and may be negative. Comparing conservative and optimistic assumptions shows how dependent the estimate is on performance.

Does projected surplus mean I am ready to retire?

No. The page omits many cash flows and risks. Review taxes, inflation, healthcare, fees, withdrawal returns, debts, and benefit rules before deciding.

How often should I revisit the estimate?

Recalculate after major changes in income, spending, savings, pension expectations, or retirement timing, and review it periodically as actual results replace assumptions.