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Save $20,000 in 3 Years
This page works backward from $20,000. Give it 3 years and a rate of 4 percent and it finds the deposit.
You would deposit $523.81 each month for 36 months. That is $18,857 in total.
How the deposit is worked out
Run the savings growth formula backward. Instead of asking what a deposit grows into, ask which deposit grows into $20,000 over 36 months. At a monthly rate of 0.3333 percent the answer is the gap to the goal times the rate, divided by the growth factor minus one.
Worked example
Reaching $20,000 in 3 years at 4 percent takes $523.81 a month. Your deposits total $18,857.
Interest provides $1,143. With no interest the deposit would be $555.56 a month.
Questions about this calculator
What if you wanted $20,000 one year sooner than 3 years?
Over 2 years the deposit rises to $801.83. That is $278.02 more each month than over 3 years.
What if the rate on a 3-year $20,000 goal were 2 percent instead of 4 percent?
The monthly deposit for $20,000 would be $539.52 instead of $523.81. A lower rate means you carry more of the goal yourself.
How much would a $500 head start lower the deposit for $20,000 in 3 years?
The deposit would fall from $523.81 to $509.05. That is $14.76 less each month.
What would the deposit be for half the goal, $10,000, in 3 years?
$261.91 a month at 4 percent.
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This page is for education only and is not financial or tax advice.