📘 Overview

This interactive calculator helps engineers, asset managers, and maintenance planners evaluate the financial viability of maintenance activities by calculating:

  • Net Present Value (NPV)
  • Return on Investment (ROI)
  • Breakeven Point

By incorporating time value of money, this tool enables data-driven decisions on capital allocation and maintenance scheduling.


📝 Input Parameters

Users can customize the following inputs:

  • Currency Selection – Choose from USD ($), EUR (€), or GBP (£)
  • Initial Maintenance Cost – Total upfront investment for the maintenance task
  • Annual Cost Savings – Expected yearly financial benefits or cost avoidance
  • Discount Rate (%) – Represents the cost of capital or desired rate of return
  • Project Life (Years) – Duration over which savings are realized

🧮 Calculations Performed

  • Net Present Value (NPV) using discounted cash flow (DCF) methodology
  • ROI as a percentage gain over the investment
  • Breakeven Year indicating when cumulative savings surpass initial cost
  • Cumulative Cash Flow projection over project life

📊 Output & Features

  • Clear visual display of NPV, ROI, and breakeven point
  • Dynamic chart showing cumulative cash flow vs. time
  • Responsive, dark-themed user interface
  • Supports both technical and financial audiences