Rate of Return (ROR) Coin Calculator

The simple to use rate of return (ROR) coin calculator gives you a sense of how much your coins (or other investments) have increased or decreased in value over time.

The rate of return is the ratio of money gained or lost on an investment ralative to the amount invested. Although most coin collectors find or buy coins for the love of the hobby, the calculator is useful to at least compare – out of interest – how part of a collection is fairing against something like a bank account.

How to Use: Simply enter a coin’s purchase price, the selling or estimated current value and their respective dates. The calculator will return its annualized return rate as well as the return percentage for the entire period. The already entered values are for visual and formatting aids only. Simply edit or clear them with your information. (For more, see Uses and Tips.)


  Enter starting date and coin value:    
  1. Purchase date of coin:  
  2. Enter amount paid:  
  Enter ending date and sold value:    
  1. Coin sold or sell date:  
  2. Current or sold value:  

Coin Rate of Return (ROR)

Annualized ROR:
Entire period:

Uses and Tips for the Rate of Return Calculator

The calculator uses standardized financial formulas and can be used to find the rate of return on other assets you purchased, like a home.

The Annualized Rate of Return reflected in the calculator takes the differences in the dates entered - whether days, months or years - and performs the necessary calculations to provide a comparable one-year rate of return.

It's not necessary to enter the exact date, if you're looking for general results by year. If this is your intention, simply enter non specific dates by year, like 1/1/2006.

The rate of return calculator can be used to estimate returns as well. Simply enter the expected selling price and current date in the appropriate fields.

Although designed for single investments, you could feasibly add a series of investments purchased and find their total rate of return. For example, if you purchased 10 coins in the same year, you could add their values together, indicate the same year of purchase and and then add up their selling or anticipated selling prices, and enter those.


A few Rate of Return barometers for consideration:

  • The average rate of return for the S&P 500 from January 1970 to December 2006, including reinvestment of dividends, was approximately 11.5% per year.
  • During the same period above, the best 12-month return was 61% while the worst was -39%. Refer to Standard & Poor's for the latest information
  • Most bank checking accounts typically pay as little as 1% or less.

Useful or interesting links on Rate of Return and other rates