Financial Calculators by Paper-Trader

Calculate what happens to your money

Here's a range of financial calculators that you are free to use. Some are a bit of fun, others quite serious.

How Much to Retire?

Here is a new simple retirement calculator. It tells how much you will need to provide a certain income for a set number of years.


  • Annual Income Required (today's dollars)
  • Number of years until retirement
  • Number of years required after retirement
  • Annual Inflation
  • Annual Yield on Balance (%) (average)

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