SaaS Inflation Calculator

A professional calculator for SaaS vendors/subscription-based businesses to calculate inflationary contract increases using real-time data from the UK Office for National Statistics (ONS).

Real-time ONS Data: Fetches current inflation data directly from ONS API

Multiple Index Types: Choose from CPIH, CPI, RPI, or RPIX

Flexible Calculation Methods: Point-to-Point (specific date range), Average Over Period, Annual Rate at End Date

Comparison Rate Logic: Set minimum/maximum rate thresholds (e.g., "greater of 3% or CPI")

Clear Breakdown: Shows detailed calculation methodology and results

Exportable results: Results can be downloaded as PDF for sharing with customers

Technology Stack

• React 18 with TypeScript
• Vite for fast development and building
• Lucide React for icons
• ONS API for inflation data