NinjaDoc
Real Estate

Mortgage & ROI Calculators Built with AI

Build interactive mortgage calculators, ROI tools, closing cost estimators, and property comparison widgets in minutes -- no coding required. Embed on your listings and start capturing leads instantly.

Tools real estate professionals build with NinjaDoc

From brokerages to mortgage lenders, real estate teams use NinjaDoc to create interactive tools that engage buyers and generate leads.

Mortgage Calculators
Let visitors estimate monthly payments, compare fixed vs. adjustable rates, and view full amortization schedules right on your listing pages.
ROI Calculators
Help investors model rental yield, cap rate, cash-on-cash return, and long-term appreciation for any property.
Property Comparison Tools
Enable side-by-side comparisons of price per sqft, tax burden, HOA fees, and neighborhood metrics across multiple listings.
Closing Cost Estimators
Give buyers and sellers a transparent breakdown of title fees, transfer taxes, attorney costs, and lender charges.
Rent vs. Buy Calculators
Show prospects the true cost of renting versus buying over 5, 10, or 30 years with dynamic inputs for their specific market.
Home Affordability Assessments
Qualify leads instantly by calculating how much home they can afford based on income, debt, down payment, and local rates.

Why NinjaDoc for real estate

Purpose-built features that help agents, brokerages, and lenders stand out online.

AI-Powered Formula Engine
Describe your calculator in plain English -- NinjaDoc generates amortization tables, cap-rate formulas, and affordability logic automatically.
Embed on Any Listing Site
Drop a single snippet into your IDX site, WordPress blog, or brokerage landing page. Works with any CMS or website builder.
Lead Capture Built In
Gate calculator results behind a contact form to turn every mortgage estimate into a qualified buyer or seller lead.
Brand-Matched Design
Customize colors, fonts, and layouts to match your brokerage branding. White-label options available on Plus and Pro plans.
Real-Time Analytics
Track which calculators drive the most engagement, see input distributions, and identify high-intent prospects.
Mobile-First Experience
Every calculator is responsive out of the box, so buyers can crunch numbers on any device while touring homes.

Why NinjaDoc for Real Estate?

  • AI generates mortgage and ROI formulas from plain English
  • No spreadsheets, no coding, no developer needed
  • Embed calculators on IDX sites, WordPress, or any CMS
  • Capture buyer and seller leads by gating results
  • Track engagement with built-in analytics dashboard
  • Mobile-responsive for on-the-go home shoppers
  • Custom branding and white-label for brokerages
  • Ready-made real estate calculator templates

Get started with a template

Browse pre-built real estate calculators and forms -- customize in minutes.

Explore more

Discover features, tools, and resources to power your real estate marketing.

Ready to build your first real estate calculator?

Join thousands of real estate professionals using NinjaDoc to create interactive tools that convert visitors into clients.

Build AI-powered forms, calculators, and assessments in minutes.