
When calculating a Social Return on Investment (SROI) evaluation or SROI forecast , sometimes you have to rely on published figures from reports. But if these are from a few years ago, then they probably need adjusting for inflation.
There are calculators on the web to do this for you, but I found them cumbersome and it was difficult to keep a record of what calculator I'd used, and how, for which value - auditability and transparency is vital for SROI. So here's a spreadsheet to do this properly!