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Fiverr Pro
English
$
USD
I will build a custom web calculator or interactive too
Yanzhong Wei
About this gig
I will build a fast, responsive web calculator or interactive tool for your website.
This Gig is ideal for pricing calculators, ROI calculators, loan or fee estimators, quote tools, royalty calculators, break-even tools, and other formula-based web apps.
You will receive:
A working calculator built with clean HTML, CSS and JavaScript
Responsive design for desktop, tablet and mobile
Clear input validation and easy-to-read results
Styling matched to your brand
Basic on-page SEO and fast-loading code
Source files ready for deployment
Advanced packages can include conditional logic, charts, result breakdowns, downloadable output and deployment support.
I have built and launched live calculator and utility websites, including publishing-profit and landlord tools.
Please message me with your formula, required inputs, expected output and a design reference before ordering. I will confirm the scope first.
Respect third-party rights
Please be aware that it is against Fiverr's policies for sellers to include themes, templates, or any other elements that infringe third-party rights or applicable laws in the delivered work. Read more about in our Guide to Responsible Digital Creation.
Get to know Yanzhong Wei
Yanzhong Wei
Web Developer for Landing Pages and Web Tools
- FromChina
- Member sinceAug 2026
Languages
English
I build fast, professional websites and interactive tools for startups, small businesses and freelancers. Landing pages that convert, web calculators and interactive tools, clean HTML/CSS/JavaScript. I have launched multiple live websites end-to-end and deliver quickly with clear communication.
