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Calcimator

Project ROI Calculator

Calculate NPV, IRR, and payback period for project investments.

Inputs

$
$
years
%
$

Results

Net Present Value (NPV)

$59,526.15

≈ 5 years of state college

Internal Rate of Return (IRR)18.7%
Simple ROI62.5%
Payback Period3.1 years
Benefit-Cost Ratio1.3
Total Net Benefit$325,000.00
Net Annual Benefit$65,000.00
How to Use This Calculator
  1. Enter the total project investment cost.
  2. Input the expected annual financial benefit generated by the project.
  3. Set the project lifespan (benefit period) in years.
  4. Review the Net Present Value (NPV), payback period, and ROI percentage.
  5. Projects with positive NPV and ROI above your hurdle rate are financially justified.

How the result changes with Annual Benefit

Annual BenefitNet Present Value (NPV)
$100,000,000.00$399,011,113.06
$350,000,000.00$1,397,188,622.33
$650,000,000.00$2,595,001,633.45
$900,000,000.00$3,593,179,142.72

What each input means

Total Investment
Total upfront project investment.
Annual Benefit
Expected annual benefit (revenue or savings).
Benefit Duration
Number of years benefits will be realized.
Discount Rate
Annual discount rate for NPV calculation.
Annual Ongoing Costs
Annual maintenance, support, or operating costs.

How this is calculated

Worked example, using the default values

  1. Identify Input Parameters
    4 parameters
    Total Investment = 200000, Annual Benefit = 80000, Benefit Duration = 5, Discount Rate = 8 = 5 input(s) provided
  2. Calculate Net Present Value
    Net Present Value
    59526.15 = $59,526.15
  3. Calculate Internal Rate of Return
    Internal Rate of Return
    18.7 = 18.7
  4. Calculate Simple ROI
    Simple ROI
    62.5 = 62.5

Engine last updated . Checked against 1 independently-derived test — how we verify calculators.

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