User Manual
The SROI calculator has three sections:
SROI Data Entry Form: Investment
1. SROI Data Entry Form: Investment

Duration | The investment period (Note: the maximum period is up to 6 years) |
Amount of funding |
The aggregate amount of funding committed to the initiative within the investment period. The funding sources include but are not limited to the following: 1. Government subvention and funds 2. Donations 3. Grants from private foundations 4. Sales 5. Self investment or private investment |
2. SROI Data Entry Form: Social Return

Target Beneficiary |
The target beneficiary group of the identified social outcome |
Number of beneficiaries reached |
The number of target beneficiaries reached by the identified social outcome (Note: enter “1” to indicate the whole population of the target beneficiary group) |
Social Outcome |
The changes in target beneficiaires as a result of the acitivities |
Financial Proxy |
An approximation to the monetized social outcome |
Reference Amount |
The value of the approximation to the monetized social outcome (Note: Amount of financial proxies provided in the calculator should be considered as reference. However, it is recommended users to consider whether the amount fit with their study context.) |
Unit |
Unit of the financial proxy |
No. of unit provided to each target beneficiary |
Number of financial proxy unit provided to each target beneficiary |
“+” |
Account for a new social outcome |
Calculate |
Calculate the SROI |
Advanced Options |
Show advanced options in the calculation of SROI (see below) |

Deadweight |
A measure of the amount of monetized social return that would have happened even if the activity had not taken place. |
Attribution |
A measure of how much of the monetized social returns was caused by the contribution of other interventions. |
Discount rate |
The opportunity cost of the funding committed to the initiative. |
Drop-off |
The amount of change (e.g., decrease) in social returns of the intervention in relation to time. |
3. SROI Results Page


Social Return |
The social return estimate (present value) of the initiative at the end of the investment period |
SROI |
The SROI estimate of the initiative at the end of the investment period |
Options |
Users can choose the results breakdown or forecast they would like to display |
Back |
Go back to the data entry form with saved information |
Print |
Print out the SROI results page |
Recalculate |
Go back to the blank data entry form |