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ROI Calculatorv1.0.0

Simple return on investment as (amount returned minus amount invested) divided by amount invested, expressed as a percent. Investment period accepts either explicit start and end dates or a direct duration in years; results include the annualized return computed as (1 + ROI) raised to (1/years), minus one.

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Measure return on investment quickly and accurately. Enter the amount invested and the amount returned, then define the investment period by dates or by length in years. View investment gain, ROI percentage, annualized return, and a clear pie chart that separates invested capital from profit. Use this tool to compare projects, evaluate marketing campaigns, and plan personal investments with consistent, transparent math.

  • Enter the amount invested in the “Amount Invested” field.
  • Enter the amount returned in the “Amount Returned” field.
  • Select the investment period:
    • Choose Use Dates to set start and end dates.
    • Choose Use Length to enter the period in years.
  • Click Calculate to compute ROI, annualized ROI, and investment gain.
  • Review the pie chart to see the breakdown of invested amount versus profit.

Verify that amounts are greater than zero and that dates are chronological to ensure accurate results.

Example 1: Invest $5,000 and receive $6,500 after two years. The gain equals $1,500. ROI equals 30 percent. Annualized ROI reflects the compound rate required to grow $5,000 to $6,500 in two years, which allows a fair comparison to shorter or longer investments.

Example 2: Spend $10,000 on a marketing campaign that generates $15,000 in revenue attributed to the campaign. The gain equals $5,000. ROI equals 50 percent. Annualized ROI helps compare this campaign to a multi-year brand project by normalizing returns across time.

Estimate performance of savings, certificates of deposit, and brokerage investments. Track results across different durations and decide which option meets a target growth rate.

Assess project profitability by comparing costs to realized returns. Rank initiatives by ROI and annualized ROI to focus budgets on the strongest opportunities.

Measure campaign effectiveness by linking spend to attributable revenue. Compare channels and optimize future campaigns using consistent ROI and time-adjusted metrics.

Teach core concepts of investment gain, ROI, and annualization. Demonstrate how identical ROI values can imply different quality when time horizons differ.

What is a good ROI? Interpret a good ROI relative to risk, time, and alternatives. Compare results to your required rate of return and available benchmarks.

Why use annualized ROI? Use annualized ROI to compare investments with different lengths by converting total return into a yearly growth rate.

Does the calculator include taxes or fees? No. Enter net amounts if you wish to account for fees or taxes in your analysis.

This tool is intended for informational and educational purposes only. It does not provide financial, investment, or tax advice. The amounts and payments shown are estimates and may not reflect actual figures. Results are not guaranteed and may vary based on individual circumstances. Always consult a qualified financial advisor before making any financial decisions.

Inputs, outputs, and what the ROI Calculator computes

The form above accepts the following inputs and produces the outputs listed below. This summary is rendered in the page so the parameters are visible to crawlers, assistive tech, and indexing agents that don't fetch the embedded tool frame.

Inputs

  • Amount Invested (text input)
  • Amount Returned (text input)
  • Use Dates · default: dates
  • Use Length (Years) · default: length
  • From (date input)
  • To (date input)
  • Investment Length (years) (numeric input) · minimum: 0

Controls

Calculate · Clear

Worked example

Enter the amount invested in the “Amount Invested” field.