Will your money outlast you?
LifeByNumbers stress-tests your retirement plan against thousands of simulated market outcomes — so you know your odds, not just an average.
Free, instant, and private. Every calculation runs in your browser — no signup, no data stored.
📊Run Your Retirement SimulationThe retirement reality toolkit
📊Monte Carlo Retirement SimulatorRun 10,000 market scenarios against your retirement plan and see the probability your savings last.🔥FIRE CalculatorFind the age you reach financial independence.⏱️Time to FIYears until work becomes optional, from savings rate.⏳Life Expectancy CalculatorHow long will your money need to last?💼Salary CalculatorYour real take-home pay after tax, localized per country.📈Investment ReturnsWhat your savings become with compound growth.📉Inflation CalculatorWhat your money will really be worth.🌍Global Rich ListWhere your income ranks worldwide.
Localized for your country
Tax rates, pension rules, and retirement ages differ. Pick your country for calculators built on your system.