Most real estate investors still analyze deals in spreadsheets. Formulas break, inputs get pasted wrong, and nobody stress-tests the numbers before making a $300K decision.

I spent a year building arvcalc.com — a free suite of 30+ calculators that run deal analysis in real time, entirely client-side. No signup, no paywall, no backend. Here is the technical story.

30+ free calculators for real estate investors at arvcalc.com

The Stack

Nuxt.js 3 (SSR for SEO)

Vue 3 with reactive computed properties for real-time calculations

TailwindCSS for all styling

jsPDF for PDF export

WordPress + Rank Math for the blog

Each calculator is a single .vue file averaging 3,000+ lines. The canonical template ( cap-rate-calculator.vue ) defines the master layout that all 29 other calculators follow.

Why SSR Matters for Calculator Pages

Calculators need to be indexed by Google. A client-only SPA means Googlebot sees an empty shell.…