Free retirement calculators · any currency · education only
Clear retirement math for anyone, anywhere.
In your currency, in 60 seconds. No products, no sales pitch. Free calculators with plain-English explanations, sources and the official numbers per country.
Work out your target See all calculators
- Runs in your browser: nothing you type is sent or stored
- Every official number linked to its source
- Works in any currency, for any country
Target nest egg, in today's money
$1,000,000
One block = one year of $40,000 from savings.
What Retirement Builders does
Retirement questions come in many currencies and systems. We turn them into one calm, visible calculation: the inputs, the formula and the result side by side, with the research and official figures behind it.
Like a good reference library
A quiet place to check the math before a conversation with a pension fund, bank or adviser. We explain how things work; the decision stays yours.
Start with the question on your mind
Each question opens a calculator or a guide. Plain English, worked examples, sources at the bottom.
Three calculators, one calm order
Begin with a target. Then see how long savings could last, and when the numbers could meet.
- Start here
How much do I need?
Your savings target from yearly spending, other yearly income and a withdrawal rate, in today's money. Any currency.
Open the calculator How long will my money last?
How many years your savings could pay your yearly spending as it rises with inflation, with a year-by-year table.
Open the calculator Compare withdrawal strategiesCan I retire at X?
Compare your projected savings at the age you choose with the nest egg you would need, and see the earliest age it could work.
Open the calculator
What you can expect here
Education only
General information and generic calculators, never personal advice or product picks. Disclaimer
Sources on every page
Research and official figures are linked and dated, and each tool says what it leaves out. Methodology
Your data stays with you
The calculators run in your browser. Nothing you type is sent or stored.
Important: Educational estimate, not personal financial, tax or legal advice. Rules differ by country; verify with official sources or a licensed professional.
Official numbers
3.6% US Social Security cost-of-living adjustment for 2027
SSA, October 14, 2026 · checked 2026-10-17
Get the numbers behind our tools by email
A short weekly email: 1 number, 1 tool, 1 lesson, plus an update when official retirement numbers change. Education only, no products.
Sign-up happens on the Retirement Builders newsletter page, hosted by beehiiv. You enter your email address there; this site does not collect it, and nothing from the calculators is passed on.