Compound Calculator
How much could this money grow?
Calculate the ending value from a starting amount, duration, and daily return.Ending value$12.2K
Compare multiple returnsReturnLab Investment Tools
Calculate how your money changes.
Compare how each assumption changes the outcome.
Start with one set of assumptions.Use the full calculators to compare rates, time periods, and scenarios.Run a quick calculation
Enter the essentials to see a result right away.Use the full calculators for deeper comparisons.
Monthly Investment Calculator
What could monthly investing grow to?
Calculate the ending balance from a fixed monthly contribution and annual return.Ending balance$73.62K
Compare multiple returnsLoss Recovery Calculator
How long could recovery take?
Calculate the gain needed after a stock loss and estimate recovery time at a consistent daily return.Estimated recovery time36 days
Calculate stock loss recoveryCash Flow Calculator
How much could your principal fund each day?
Calculate daily spending from your principal, timeframe, and annual return.Daily spending amount over 30 years$156
Explore time and return assumptionsWhat makes ReturnLab different
Run one calculation, then compare the alternatives.
After a quick answer, compare nearby returns and different time periods on the same screen to see how small changes alter the outcome.Compare returns
Place nearby rates such as 1.0%, 1.1%, and 1.2% side by side.
Compare time
Keep the money and return fixed while changing only the duration.
Work backward from a goal
Calculate the time or daily return needed to reach a target amount.
Latest insights
Money questions, worked out with numbers
Explore market and everyday money questions through transparent calculations and concrete examples.
SpaceX stockSPCXIPO priceLockup
SpaceX fell below its IPO price. What happened to IPO, opening-day, and peak investors?
SPCX fell to $132.15 before closing at $135.27. A $1,000 IPO allocation was about $1,002 at that close; $1,000 bought at the $150 opening price was about $902, and at the $225.64 peak about $599.
Korean stocksLimit upCompounding
How many Korean stock limit-up days does it take to double or 10x your money?
At a 30% daily price limit, $1,000 becomes $2,197 after three days and about $10,604 after nine. This is a Korean-market calculation, not a U.S. stock rule.
Compound interestCompound interest calculatorTime to double
At 5% compound interest, how long does $10,000 take to double?
At 5% compound interest, $10,000 reaches $20,000 in about 14 years and two months. The year-by-year table shows the balance from year 1 through year 15.