Update: I made a new and improved version of this calculator.
Using the rate-chasing breakeven time formula posted previously, here is the easy-to-use JavaScript Calculator version to help you decide whether you should move your money and chase the higher rate.
Note that it uses APR. Only know APY? Then please see my APY to APR calculator first. If that’s too much trouble, note that if you use APYs for both rates your final answer will be very close anyways.
Calculator:
This is slightly off-topic, but I’m constantly annoyed that whenever you want to simply read a news story or use their “free” service, sites often make you register and provide your name, e-mail, address, etc. I mean, it’s obvious that the only reason to do that is to (1) get demographic information for advertisers and (2) to sell your e-mail and contact info to those advertisers. Please note that MyMoneyBlog
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