Home › Calculators › Compound interest calculator › 100000-10y-9
$100,000 invested for 10 years at 9%
Exact compound math for the given inputs.
$245,135.71
future value (monthly compounding, no deposits)
Principal$100,000.00
Interest earned$145,135.71
Growth multiple2.45×
Rule of 728.0 yrs to double
Frequently asked questions
How much will $100,000 be worth in 10 years at 9%?
With monthly compounding it grows to $245,135.71 — that is $145,135.71 of interest earned on $100,000.00.
What if compounding is annual instead of monthly?
Annual compounding gives $236,736.37 — more frequent compounding always yields slightly more.
How long until it doubles?
The Rule of 72 estimates 8.0 years at 9% (8.00 precisely).
Try nearby scenarios
Change the numbers yourself
Open the interactive compound interest calculator — every field is editable.