ROI Calculator

Divide the gain by the amount invested. Dividing by the amount returned understates the return.

Your numbers

Invested()Returned()

Return

27%

Profit

1,350,000

What it means

You gained 27% of what you put in.

Formula

Return = (Returned − Invested) ÷ Invested × 100

Subtract trading fees and tax from the returned amount first to get your real return.

What to enter

Input	Default	Accepted range
InvestedEverything you put in; include fees or the return comes out flattering.	5,000,000	0.01 and up
ReturnedThe total you got back.	6,350,000	0 and up

Step by step

FormulaReturn = (Returned − Invested) ÷ Invested × 100

With the default numbersReturn = (6,350,000 − 5,000,000) ÷ 5,000,000 × 100

AnswerReturn = 27 %

Quick reference table

Results when only Invested changes and everything else stays put.

Invested	Return (%)	Profit
2,500,000	154	3,850,000
3,750,000	69.33	2,600,000
5,000,000	27	1,350,000
7,500,000	-15.33	-1,150,000
10,000,000	-36.5	-3,650,000

What each result means

Result	At default values
Return (%)How much you made relative to what you put in.	27
ProfitSale price minus cost.	1,350,000

Common mistakes

Subtract trading fees and tax from the returned amount first to get your real return.

Glossary

Invested: Everything you put in; include fees or the return comes out flattering.
Returned: The total you got back.
Return: How much you made relative to what you put in.
Profit: Sale price minus cost.

Frequently asked questions

QHow is ROI Calculator calculated?

Return = (Returned − Invested) ÷ Invested × 100 — Divide the gain by the amount invested. Dividing by the amount returned understates the return.

QCan you walk through an example?

With Invested 5,000,000, Returned 6,350,000, the answer is Return 27%.

QWhat do I need to enter?

Enter Invested, Returned. The result recalculates as you type, and an empty box counts as zero.

QHow much does the answer move if I change a number?

Changing only Invested moves the answer to Invested 2,500,000 → Return (%) 154 and Invested 10,000,000 → Return (%) -36.5. The table below lays out five steps.

QHow are the numbers rounded?

Money is shown to the nearest whole unit, percentages to one decimal place and everything else to two. What you see is rounded; the calculation itself carries the unrounded value forward.

QAnything to watch out for?

Subtract trading fees and tax from the returned amount first to get your real return.

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Tax rates and interest conventions differ by country and product — check your contract for real transactions.