# Buildroy > The ROI calculator builder for marketing, sales, IT, and finance. Describe your calculator in plain English; Buildroy generates the inputs, math, and a clean embeddable UI in 60 seconds. Buildroy turns natural-language descriptions into hosted, embeddable ROI and value calculators. Marketing teams use it for lead-gen calculators on landing pages. Sales teams use it for deal-justification math in proposals. IT and finance teams use it to build internal business cases for tool spend, vendor consolidation, and budget approvals. ## How it works - Describe the calculator in chat ("ROI calculator for our SaaS, with team size, hourly cost, and hours saved as inputs") - Buildroy generates the spec: inputs, formulas, output labels, sensible defaults - Refine in chat ("add an LTV input", "make outputs monthly", "change the colors") - Publish to a hosted page at buildroy.com/c/your-slug, or embed via iframe / React / vanilla JS / raw HTML on your own site - Capture leads with an optional email gate before showing results ## Pricing - Free: build and publish, with a small "Built with Buildroy" badge - $49 one-time: unlock unlimited refinements on a single calculator - $29/mo Solo, $79/mo Pro, $199/mo Agency: unlimited calculators, embed code, lead capture, brand customization, and remove the badge - $499 done-for-you: we build a polished branded calculator for you Full pricing and feature comparison: https://buildroy.com/pricing ## Use cases by role - Marketing: SaaS ROI, lead-gen value, content marketing payback, paid ads ROAS, email marketing ROI, webinar ROI, SEO ROI - Sales: deal-size justification, savings vs incumbent, payback period, total contract value, expansion revenue - IT and operations: tool consolidation savings, cloud cost migration, automation hours-saved, ticket-deflection ROI - Finance: vendor business case, build-vs-buy, hiring ROI, capex payback, budget reallocation - HR and people: turnover cost, training ROI, benefits cost-per-employee, hiring funnel ROI - SaaS / product: pricing model, expansion ARR, customer LTV, NRR scenarios, feature ROI - Real estate, e-commerce, consulting, personal finance — see the full template library at https://buildroy.com/templates ## Templates 52 starter templates across 10 categories. Click any template, get a working calculator pre-filled with realistic inputs and math. Browse: https://buildroy.com/templates ## Key links - Homepage: https://buildroy.com - Templates: https://buildroy.com/templates - Pricing: https://buildroy.com/pricing - Built-with-Buildroy showcase: hosted at buildroy.com/c/ per calculator - Privacy: https://buildroy.com/privacy - Terms: https://buildroy.com/terms - Contact: support@buildroy.com ## Why use Buildroy instead of building it yourself You could spec a calculator in Claude or ChatGPT, but you'd still need to host it, render it, handle inputs, embed it on your site, capture leads, and update it without redeploying. Buildroy does all of that — generation through hosted, embeddable, lead-capturing calculator — in one tool. Refine the math in plain English any time without touching code.