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English
$
USD
I will build a custom calculator or quote tool for your website
VivianT
5.0
5.0
About this gig
Message me before ordering I'll send you a free mockup preview first
Turn your website visitors into leads with a custom interactive calculator. I build quote generators, pricing tools, ROI calculators, and cost estimators that work on any website.
Custom-built web apps using React and Next.js fast, mobile-responsive, and embeddable with just one line of code. Works on WordPress, Shopify, Squarespace, Webflow, Wix, or any site. No plugins needed.
Calculators I build: Pricing, ROI, Mortgage/Loan, Health & Fitness, Cost Estimators, Lead-Capture, Product Quizzes, Scoring Tools, Excel to Web Conversion, Graph & Chart, and any custom calculator.
Every order includes: Custom-branded design, mobile-responsive layout, real-time results, free hosting on Vercel/Netlify, one-line embed code, and full source code.
Live demos:
calcstudios.netlify.app/saas-pricing-calculator.html
calcstudios.netlify.app/roi-calculator.html
calcstudios.netlify.app/mortgage-calculator.html
How it works:
- Send me your idea or spreadsheet
- I build it and send a preview link
- Revisions until you're satisfied
- Final tool + embed code delivered
Most calculators delivered in 3-5 days. Unlimited revisions. Free supp
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 VivianT
VivianT
Custom Web Calculator n Interactive Tool Developer
- FromMalaysia
- Member sinceJun 2015
- Avg. response time1 hour
- Last delivery1 month
Languages
English, Chinese
Full-stack developer specializing in custom web calculators built with React and JavaScript.
I turn spreadsheets, pricing logic, and formulas into clean, embeddable tools that work on ANY website — Shopify, Webflow, Squarespace, Wix, WordPress, or custom sites. No plugins. No WordPress dependency.
Every calculator is mobile-responsive, branded to match your site, and comes with a one-line embed code. I host it for you — you just paste and go.
Let's build something great together.
FAQ
Can you convert my Excel spreadsheet into a web calculator?
Yes! This is one of my most common requests. Share your Excel file and I'll replicate the logic as a clean, embeddable web tool.
How do I add it to my website?
I host the calculator for you and send you one line of code to paste on your site. That's literally it — no developer needed on your end. It works on WordPress, Webflow, Squarespace, Shopify, Wix, or any custom website.
Will it work on my Webflow / Squarespace / Shopify site?
Yes. Because I build custom code (not WordPress plugins) and host it for you, embedding is just one iframe line on any platform.
What information do I need to provide?
just describe what your calculator should do — what inputs users will enter, what outputs they should see, and any specific logic or formulas involved. An Excel file or written notes work great.
Can you match my website's colors and fonts?
Yes, on the Standard and Premium packages. Share your brand colors and I'll style the calculator to match.
Do I get the source code?
Yes, all packages include source code delivery.
Do you keep or share my data/source code after delivery?
No. Once delivered, the calculator and full source code are 100% yours. I don't reuse, resell, or share your project with anyone. Your formulas, business logic, and branding stay completely private.
Is the calculator secure for collecting user data?
Yes. Calculators run client-side in the browser — no data is stored unless you request lead capture. For lead-capture tools, data goes directly to your email or CRM. I can add GDPR-compliant privacy notices if needed
Reviews
2 reviews for this Gig
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Rating Breakdown
- Seller communication level
- Quality of delivery
- Value of delivery
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Most relevant
J just2clutch
Repeat Client
United States
Great communication, fast responses, fast results. Exceeded expectations and was a pleasure to work with. 5 star all the way.
$200-$400
Price
3 days
Duration
Helpful?J just2clutch
Repeat Client
United States
Great Work and 5 star professionalism! Fast Speeds and constant communication. 5 star all the way!
$100-$200
Price
3 days
Duration
Helpful?
Reviews
2 reviews for this Gig
| (2) | ||
| (0) | ||
| (0) | ||
| (0) | ||
| (0) |
Rating Breakdown
- Seller communication level
- Quality of delivery
- Value of delivery
Sort By
Most relevant
J just2clutch
Repeat Client
United States
Great communication, fast responses, fast results. Exceeded expectations and was a pleasure to work with. 5 star all the way.
$200-$400
Price
3 days
Duration
Helpful?J just2clutch
Repeat Client
United States
Great Work and 5 star professionalism! Fast Speeds and constant communication. 5 star all the way!
$100-$200
Price
3 days
Duration
Helpful?
