sizelot

Compounding calculator

How your account grows by reinvesting profits, period by period, and what it takes to recover from a loss.

  • ECBOfficial exchange rates every day
  • CMEOfficial futures specifications
Your account
USD
USD

Negative to withdraw, for example −200.

The return
%
Each period is a

Period by period

PeriodStarting balanceProfitEnding balanceCumulative
Month 1$10,000+$200$10,2002.0%
Month 2$10,200+$204$10,4044.0%
Month 3$10,404+$208$10,6126.1%
Month 4$10,612+$212$10,8248.2%
Month 5$10,824+$216$11,04110.4%
Month 6$11,041+$221$11,26212.6%
Month 7$11,262+$225$11,48714.9%
Month 8$11,487+$230$11,71717.2%
Month 9$11,717+$234$11,95119.5%
Month 10$11,951+$239$12,19021.9%
Month 11$12,190+$244$12,43424.3%
Month 12$12,434+$249$12,68226.8%
Month 13$12,682+$254$12,93629.4%
Month 14$12,936+$259$13,19531.9%
Month 15$13,195+$264$13,45934.6%
Month 16$13,459+$269$13,72837.3%
Month 17$13,728+$275$14,00240.0%
Month 18$14,002+$280$14,28242.8%
Month 19$14,282+$286$14,56845.7%
Month 20$14,568+$291$14,85948.6%
Month 21$14,859+$297$15,15751.6%
Month 22$15,157+$303$15,46054.6%
Month 23$15,460+$309$15,76957.7%
Month 24$15,769+$315$16,08460.8%

How much it takes to recover from a drawdown

Losses weigh more than gains: after losing 50%, it takes a 100% gain to get back to the starting balance. That is why controlling risk matters more than chasing returns.

LossGain needed to recover
−5%+5.3%
−10%+11.1%
−20%+25.0%
−25%+33.3%
−30%+42.9%
−40%+66.7%
−50%+100.0%
−60%+150.0%
−75%+300.0%
−90%+900.0%

How it works

With compounding, each period you earn on the balance you already have, not on the starting one. 2% a month for 24 months turns $10,000 into about $16,084, not $14,800.

It works the same way with losses, and there it works against you: after losing 20% it takes a 25% gain to get back to where you started.

Frequently asked questions

Is 1% a day realistic?

Almost never. 1% a day for a trading year (about 250 days) multiplies the account by 12: 1,100% a year. The best professional managers rarely sustain more than 20–30% a year.

How long does it take to double the account?

Roughly 72 ÷ the return per period (the rule of 72). At 2% a month, about 36 months; at 5% a month, about 15. The calculator gives the exact number.

Why is a drawdown so hard to recover?

Because the gain is earned on a smaller balance. After losing 50% of $10,000 you have $5,000 left, and getting back to $10,000 takes a 100% gain.

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