Create ROI calculators, pricing estimators, savings tools, and quote generators. Export as self-contained HTML. No monthly fees, no backend, no lock-in.
Build professional calculators in minutes, not hours
ROI, savings, pricing, quote, loan, percentage, comparison, and custom formula calculators — all from one builder.
Clean, Card, Glassmorphism, Split, Minimal, Corporate, Gradient, Terminal — each with unique styling and layout.
Exported HTML includes all CSS and JS inline. Paste into any website — WordPress, Squarespace, Webflow, raw HTML.
Visual formula editor with field references. Build complex calculations with arithmetic operators, conditionals, and formatting.
See your calculator update in real-time as you build. Toggle between desktop, tablet, and mobile viewports.
Light, Dark, Midnight, Forest, Rose, Warm, Ocean, Violet, Slate, Cream — instant theme switching with one click.
Calculate return on investment with initial cost, revenue, and time period inputs.
Marketing / SalesShow users how much they save switching to your product vs competitors.
SaaS / B2BDynamic pricing based on usage, features, or team size. Quote in real-time.
Agency / ServicesMonthly payments, total interest, and amortization for any loan amount.
Finance / Real EstateBuild instant quotes with configurable options, quantities, and add-ons.
Freelance / AgencyPercentage of, percentage change, and percentage difference calculations.
General / EducationSide-by-side cost or feature comparison between two options.
SaaS / E-commerceBuild any calculator with your own fields and formula. Full flexibility.
Any IndustryCalculator tools charge recurring fees for what your browser can do for free
| Tool | Price | Export | Backend |
|---|---|---|---|
| Outgrow | $22-55/mo | Hosted only | Required |
| Calconic | $19/mo | Embed script | Required |
| Calculoid | $19/mo | Embed script | Required |
| involve.me | $29/mo | Hosted only | Required |
| CalcForge | $4.99 once | Self-contained HTML | None needed |
Pay once, use forever. No subscriptions, no limits.