Simple ROI Calculator (Quick & Basic)

Quick answer: A simple ROI calculator divides net profit by cost and expresses the result as a percentage. It is best for quick evaluations without time adjustments.

When a simple ROI is enough

Pair with which ROI method to use, the ROI formula, and limitations when the time horizon matters.

What simple ROI skips

A simple percentage ignores the time value of money—see ROI vs NPV for uneven cash flow timing.

ROI calculator (homepage)
Finance hub — more calculators in this category
ROI comparisons — how ROI relates to IRR, NPV, payback, and more
ROI benchmarks — industry and channel reference ranges

Frequently asked questions

What is a simple ROI calculation?

A simple ROI calculation measures profit relative to cost without considering time or compounding.

When should you use a simple ROI?

Use it for quick comparisons or when the time factor is not important.

What are the limitations of simple ROI?

It ignores time value of money and may mislead for long-term investments.