Enter SROI Data

Outcome that would happen anyway.
Outcome due to others.

Formulas & How to Use The Social Impact Calculator

Core SROI Formulas

1. Gross Value of Outcomes (GVO):
GVO = Quantified Outcome ร— Proxy Value ร— Duration Factor

2. Impact Adjustment Factor (IAF):
IAF = 1 - [(Deadweight % + Attribution %) / 100]

3. Net Social Value (NSV):
NSV = GVO ร— IAF

4. SROI Ratio:
Ratio = NSV / Total Investment Cost

Example Calculation

  • Investment: $100,000
  • Outcomes: 50 participants placed in jobs.
  • Proxy Value: $8,000 per placement.
  • Duration: 1 Year.
  • Deadweight + Attribution: 20% + 10% = 30%.
  • Calculation:
    GVO = 50 * 8,000 * 1 = $400,000
    IAF = 1 - 0.30 = 0.70
    NSV = $400,000 * 0.70 = $280,000
    SROI Ratio = 280,000 / 100,000 = 2.8 : 1

How to Use This Calculator

  1. Input Investment: Enter total costs (budget, overhead, staff time).
  2. Define Outcome: Enter the count of successful outcomes and the proxy financial value per unit (e.g., cost savings per person).
  3. Adjust for Impact: Enter the Deadweight % (what would happen naturally) and Attribution % (credit due to others).
  4. Set Duration: Enter how many years the impact lasts.
  5. Calculate: Click the button to see the Net Social Value and SROI Ratio.

Tips for Maximizing Social Impact

  • Source Robust Proxies: Always use standardized data (government stats or academic studies) for your financial proxy values to ensure credibility.
  • Engage Stakeholders: Validate your outcomes and proxies by talking to the people experiencing the change; their input is vital for accuracy.
  • Be Conservative: When estimating Deadweight and Attribution, it is better to overestimate these deductions to avoid claiming impact you didn't create.
  • Track Over Time: Social impact is rarely instant. Monitor your beneficiaries over years to get an accurate "Duration Factor."
  • Transparency is Key: Always disclose your assumptions, sources, and the rationale behind your proxy values when reporting your SROI ratio.

About The Social Impact Calculator

In the modern landscape of non-profit management, Corporate Social Responsibility (CSR), and impact investing, simply doing good is no longer enough. Organizations are increasingly required to prove the value of their interventions. The Social Impact Calculator is a powerful tool designed to bridge the gap between qualitative good deeds and quantitative economic data. By utilizing the Social Return on Investment (SROI) methodology, this tool monetizes outcomes that typically lack a market priceโ€”such as increased confidence, better health, or environmental preservationโ€”and compares them against the cost of the investment.

The core function of the Social Impact Calculator is to calculate the "Net Social Value." Unlike a standard ROI calculator, this tool incorporates the nuances of social change. It forces users to consider attribution (how much credit do we actually deserve?) and deadweight (would this have happened anyway?). This rigor ensures that the resulting Social Impact Calculator output is not just a vanity metric, but a defensible statement of efficacy. For example, if a job training program claims to create value, this calculator helps strip away external economic factors to reveal the true value generated specifically by that program.

Using the Social Impact Calculator empowers organizations to make data-driven decisions. Whether you are writing a grant proposal, reporting to a board of directors, or evaluating which internal program deserves more funding, knowing your SROI Ratio is essential. A ratio of 3:1, for instance, implies that for every dollar invested, three dollars of social value are created. As noted by the Wikipedia entry on SROI, this framework is pivotal for accountability. Furthermore, resources like Social Value International emphasize that measuring value is crucial for reducing inequality and environmental degradation.

Key Features of Our Tool:

  • Detailed Impact Adjustment: Includes fields for Deadweight and Attribution to prevent over-claiming results.
  • Multi-Year Duration Support: Allows you to project the value of long-term outcomes over several years.
  • Financial Proxy Integration: Converts qualitative social changes into standard monetary units for easy comparison.
  • Instant SROI Ratios: Automatically generates both the ratio (X:1) and the percentage return on investment.
  • Calculation History: Tracks your different scenarios to help you model "best case" and "conservative case" impacts.

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Frequently Asked Questions

What is a "Proxy Financial Value"?

A proxy is a monetary value assigned to an outcome that doesn't have a market price. For example, the proxy for "improved mental health" might be the cost savings of therapy sessions avoided or the increase in productivity earnings.

What is the difference between ROI and SROI?

Traditional ROI (Return on Investment) measures financial returns (profit) relative to cost. SROI (Social Return on Investment) measures social, environmental, and economic value relative to cost, often monetizing "soft" outcomes.

Why do I need to subtract Deadweight and Attribution?

To calculate true impact, you must isolate what your program caused. Deadweight accounts for changes that would have happened anyway, and Attribution accounts for changes caused by other organizations. Ignoring these leads to inflated and inaccurate results.

What is a good SROI Ratio?

Any ratio above 1:1 indicates that the social value generated is greater than the cost of the investment. However, ratios vary wildly by sector. A 3:1 ratio is often considered a strong benchmark in social services.