OEE is a simple and powerful KPI which can help you to identify the bottlenecks in your production process. Don't upgrade equipment before understanding whether you're addressing the root cause of performance concerns.
The tool below allows you to understand the relationship between the OEE performance of a machine, line, or an entire facility on the profit & loss statement. Enter some approximate numbers for your business together with the OEE estimate you created here to see the impact improvements in OEE would deliver.