LCLeadCalc Kit

REACT + TYPESCRIPT SOURCE KIT

Turn useful math into
four lead magnets,
without a backend.

For agencies and freelance developers: tested calculator components you can rebrand, localize and embed in client sites.

React 19 + TypeScript + Vite · Korean and English components · 9 tests · standard commercial license
LeadCalc Kit v1.1.0 · source preview
import { QuoteCalculatorEn } from "./leadcalc-kit";export default function LeadPage() {  return <QuoteCalculatorEn currency="USD" />;}
QUOTE$1,630recommended quote
MENU$12recommended price
ECOMMERCE$29recommended price
WEDDING$6,000remaining budget

Default-input examples only · not revenue or savings claims

01Choose

Pick one industry calculator

02Copy

Add the source to your React app

03Brand

Edit colors, copy and defaults

04Ship

Run tests and deploy

WHY A SOURCE KIT

Stop rebuilding the same form, formula and result states for every lead magnet.

4 BILINGUAL CALCULATORS

Source, calculation functions, demo, tests, docs and license.

Run the complete Vite demo or copy one component into an existing React or Next.js project.

01QuoteCalculatorEn

Freelance quote

Time, direct cost, risk, platform fees and reserve

02MenuCalculatorEn

Menu pricing

Batch cost, waste, packaging, labor and target margin

03SellerCalculatorEn

Ecommerce profit

Discounts, returns, ads, shipping and target price

04WeddingBudgetCalculatorEn

Wedding budget

Protected reserve, committed costs and remaining budget

LICENSE SCOPE

Use the components on up to three production domains.

Modify the source for your own or client sites. The source itself cannot be redistributed or resold as a template or code product.

Read the FAQ →
English components4
Korean components4
Full terms are included in LICENSE_EN.md and LICENSE_KO.md.

FAQ

Technical and license questions

What skills do I need?

You should be able to copy React and TypeScript files into an existing project and run its build. Vite and Next.js integration guides are included.

Do the calculators send user input anywhere?

No. The supplied kit has no server, database, external API, analytics or tracking code. Calculations run entirely in the browser.

Can I use it for client projects?

Yes. The standard license covers up to three production domains in total across your own and client sites. Source redistribution and resale are prohibited.

Is installation or custom development included?

No. This is a downloadable source-code product with tested components, a demo, documentation and a commercial license.

SOURCE LICENSE

Four calculators, two languages, one commercial source license.

Includes the complete source, Vite demo, tests, English and Korean integration guides and licenses.