Home › Calculators › Compound interest calculator › 10000-15y-3
$10,000 invested for 15 years at 3%
Exact compound math for the given inputs.
$15,674.32
future value (monthly compounding, no deposits)
Principal$10,000.00
Interest earned$5,674.32
Growth multiple1.57×
Rule of 7224.0 yrs to double
Frequently asked questions
How much will $10,000 be worth in 15 years at 3%?
With monthly compounding it grows to $15,674.32 — that is $5,674.32 of interest earned on $10,000.00.
What if compounding is annual instead of monthly?
Annual compounding gives $15,579.67 — more frequent compounding always yields slightly more.
How long until it doubles?
The Rule of 72 estimates 24.0 years at 3% (24.00 precisely).
Try nearby scenarios
Change the numbers yourself
Open the interactive compound interest calculator — every field is editable.