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Compound Growth Calculator

See how a balance compounds when you reinvest a steady return over many periods. Enter your starting balance, the return per period, how many periods, and any recurring deposit.

$
%
$
Result
Ending balance$2,691.59
Total return+169.16%
Profit+$1,691.59
Total invested$1,000.00
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Consistency is what compounds

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How compounding works

  1. 01

    Each period, your balance earns the return and that gain is added back, so the next period earns on a larger base.

  2. 02

    Any recurring deposit is added each period and compounds alongside the balance.

  3. 03

    Over many periods, small steady returns snowball. The same return also compounds losses, so real results vary.

Ending = Start × (1 + r)^n (plus deposits)

Worked examples

2% per period for 50 periods

A $1,000 balance growing 2% per period for 50 periods ends near $2,690, a total return of about 169%, with no deposits.

Adding a deposit

The same setup with a $100 deposit each period ends far higher, because every deposit also compounds for the periods that remain.

Frequently asked questions

Is a steady per-period return realistic?

No. Real trading returns are uneven, with winning and losing streaks. This tool shows the mechanics of compounding a constant rate, not a forecast of what a strategy will do.

What counts as a period?

Whatever you choose: a trade, a day, a week or a month. Keep the return and the number of periods on the same basis, for example a weekly return over 52 weekly periods for a year.

Does compounding work against me too?

Yes. A steady negative return shrinks a balance just as fast as a positive one grows it, which is why risk control on each trade matters as much as the return itself.

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Not financial advice. This calculator is an educational tool, not financial advice. Trading carries substantial risk and you can lose some or all of your capital. Figures are estimates. Verify against your exchange's own margin, fee and liquidation rules before trading.