You will get Calculator HTML/CSS/JQUERY ā Let's do it with Certified Developer šš
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Project details
š If you already have the calculator ā i can fix or improve it.
š¤ Buy this project to work on your existing calculator.
ā¤ļø Full refund if you don't get a fix.
āļø Full time freelancer
āļø 3 years on Upwork
āļø 9 years on Front-End
āļø Product Developer from MVP to monetization
āļø Certified by IBM, Google, Intel, Cisco, Make and others
ā Contact me if you need automations or calculators š
š¤ Buy this project to work on your existing calculator.
ā¤ļø Full refund if you don't get a fix.
āļø Full time freelancer
āļø 3 years on Upwork
āļø 9 years on Front-End
āļø Product Developer from MVP to monetization
āļø Certified by IBM, Google, Intel, Cisco, Make and others
ā Contact me if you need automations or calculators š
Programming Languages
HTML & CSS, JavaScript, TypeScriptCoding Expertise
Cross Browser & Device Compatibility, Performance Optimization, DesignWhat's included $70
These options are included with the project scope.
$70
- Delivery Time 1 day
- Number of Revisions 0
- Design Customization
- Responsive Design
- Source Code
58 reviews
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Feb 27, 2026
Help me fix my Zapier script
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Sep 2, 2025
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Nataliia V.
Aug 14, 2025
You will get Outsur Hosting maintenance & support
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Emily H.
Jul 3, 2025
eCommerce Readiness Quizzes
10/10 ā Highly Recommend!
Serhii was a total pro from start to finish. Incredibly easy to work with, super responsive, and lightning-fast with edits. He made the entire quiz build process smooth and stress-free. Weāre thrilled with the final result and will absolutely work with him again on future projects.
Serhii was a total pro from start to finish. Incredibly easy to work with, super responsive, and lightning-fast with edits. He made the entire quiz build process smooth and stress-free. Weāre thrilled with the final result and will absolutely work with him again on future projects.
CM
Christa M.
May 21, 2025
Calculator updated code
Serhii did great work for me. He is very knowledgeable and responsive. He was willing to go through numerous iterations of my project to make sure that the end result was exactly what I wanted.
About Serhii
Front-End ā Calculator, Configurator, Form, Integration, Automation š„
96%
Job Success
Kyiv, UkraineĀ - 2:06 pm local time
āļø 4 years on Upwork
āļø 10 years on Front-End
āļø Product Developer from MVP to monetization
āļø Certified by IBM, Google, Intel, Microsoft, Cisco, Make and others
ā Contact me if you need automations or calculators š
ROI, Mortgage, Products & Services in my portfolio.
The purpose of calculators is leads, not numbers.
HOW TO GET STARTED:
My work is silent and focused, so you will get the best result if you describe the goal. This could be a text message, doc or loom that I will review and have time to plan and approve the work with you. This does not require a contract or billable hours š
Stand-Alone App includes:
- Gitlab ā store source code and version control.
- Docker ā package isolated/secured app.
- Nuxt ā type-safe, performant and production-grade engine.
- CI/CD ā automated deploy to production and test environment.
No-Code / Low-Code App options (RAD Software):
- Outgrow - Calconic - Calculoid - Jotform - GoHighLevel
- ARForms - TypeForm - Paperform - Fillout
- Formidable - Formsite - InvolveMe - Tally
- Gravity Forms - Heyflow - 123FormBuilder
- Softr - Framer - Stripe - Make - Zapier - ClickUp
Markets:
- United States - Europe - Australia - The World
š¤Æ It is complex work with internal logic & calculation that increase business sales & lead generation.
š¤© If you have Google Sheets (or Excel) with formulas is the best option to convert it into Web Calculator.
š„³ Launch your Calculator, lead the market, beat the competitors (oops)
Integration with payment gateways ā Stripe, PayPal, Square.
Embedding to website ā WebFlow, Framer, WordPress, WooCommerce.
Mail services ā Brevo, SendGrid, MailChimp.
Databases ā AirTable, Supabase, MySQL.
Automation and API ā n8n, Pipedream, Prototype, IFTTT, Integrately, Bit Flows.
Automation I Love ā Make, Zapier.
Vanilla Web Design ā JavaScript, HTML, CSS 3, HTML5.
Front ā Vue, React.
Any way, calculator is highly interactive business application.
I can make it from scratch or with no-code.
Your business is important for me.
You are awesome!
š
šš
Steps for completing your project
After purchasing the project, send requirements so Serhii can start the project.
Delivery time starts when Serhii receives requirements from you.
Serhii works on your project following the steps below.
Revisions may occur after the delivery date.
Check & fix