You will get Web App Calculator / Mortgage, Finance Calculator / Custom Calculators
Top Rated

Top Rated

Project details
Are you in need of a top-notch calculator tailored to your unique needs? Look no further! As a seasoned calculator developer, I am committed to delivering a premium-quality solution that exceeds your expectations.
I can design and develop the following online calculators for your website:
• Finance Calculators
• Mortgage Calculators
• Fitness Calculators
• Custom Calculators
• Clone online calculator
• Bug fixing in the calculators
• Database Integration
• Send result to the user via E-mail
• JavaScript/ React calculator
The custom-designed calculator will effortlessly handle a wide range of mathematical functions, while boasting an intuitive and user-friendly interface.
Rest assured, my development process leverages cutting-edge programming languages and state-of-the-art tools, ensuring optimal efficiency, scalability, and security. Additionally, rigorous testing procedures guarantee flawless functionality and accurate results.
If you need functionality that is not included in the project - I will always be happy to help you - just write to me and I will create any functionality within the hourly contract.
I can design and develop the following online calculators for your website:
• Finance Calculators
• Mortgage Calculators
• Fitness Calculators
• Custom Calculators
• Clone online calculator
• Bug fixing in the calculators
• Database Integration
• Send result to the user via E-mail
• JavaScript/ React calculator
The custom-designed calculator will effortlessly handle a wide range of mathematical functions, while boasting an intuitive and user-friendly interface.
Rest assured, my development process leverages cutting-edge programming languages and state-of-the-art tools, ensuring optimal efficiency, scalability, and security. Additionally, rigorous testing procedures guarantee flawless functionality and accurate results.
If you need functionality that is not included in the project - I will always be happy to help you - just write to me and I will create any functionality within the hourly contract.
Programming Languages
HTML & CSS, JavaScriptCoding Expertise
PSD to HTML, Performance Optimization, DesignWhat's included
| Service Tiers |
Starter
$75
|
Standard
$125
|
Advanced
$200
|
|---|---|---|---|
| Delivery Time | 2 days | 4 days | 7 days |
Number of Revisions | 1 | 2 | 3 |
Number of Pages | 1 | 1 | 1 |
Design Customization | |||
Content Upload | |||
Responsive Design | |||
Source Code |
29 reviews
(27)
(2)
(0)
(0)
(0)
FA
Frits A.
Aug 8, 2024
AW
Allen W.
Apr 30, 2026
Rework an existing wordpress site completely
Really helped me alot in my web project. Very easy to work with and readily aviable whenever i needed help. Highly recommend
ws
will s.
Apr 24, 2026
Ledbury Park Vets website
Working with Valentyna on this website was a pleasure - she created a fantastic design and the clients are very happy. communication was great throughout - another successful project - thanks Valentyna!
ws
will s.
Apr 24, 2026
Town Vets website
Valentyna does great work, she is thorough and proactive, always anticipating ways to improve the website and deliver a great job - highly recommended!
AN
Andriy N.
Dec 29, 2025
Wordpress Developer and SEO Specialist
BH
Bob H.
Oct 28, 2025
Rank Math Optimization
Valentyna created new schema on two websites with implementation through Rank Math. I will definitely hire her again in the future. Valentyna is knowledgeable, works quickly, and is very diligent with updates. She was a pleasure to work with. Thanks for the great work, Valentyna.
About Valentyna
Senior WordPress Developer | Custom Functionality & SEO Expert
100%
Job Success
Kharkiv, Ukraine - 10:48 pm local time
💡 Whether you need a custom-built landing page, a WooCommerce store, a multilingual site, or advanced features like calculators, PDF generators, or form-to-CRM workflows — I’ve got you covered.
What I can do for you:
✔️ Custom WordPress Development: ACF, Oxygen, Elementor, Gutenberg, WPBakery, DIVI
✔️ WooCommerce Websites with custom logic
✔️ Website Speed Optimization & Core Web Vitals
✔️ Accessibility & SEO: WCAG-compliant and technically optimized (schema, sitemap, robots.txt, crawl fixes, etc.)
✔️ Pixel-Perfect Frontend: From Figma to clean HTML/CSS/JS
✔️ Lead Generation Forms: I create custom lead generation forms, including:
• Multi-step forms with conditional logic
• Input masks for phone numbers, dates, etc.
• Thank-you messages after submission
• Auto-response email setup
• reCAPTCHA integration for spam protection
• Seamless CRM and email tool integrations
✔️ Email Delivery Setup (SMTP) & CRM integrations
✔️ Custom Calculators, Converters, PDF Generators
✔️ Full WordPress Maintenance: Hosting, migration, support
Tech Stack:
WordPress, PHP, JS (React, jQuery), HTML5, SCSS, Bootstrap, MySQL, API, WPML, SEO (Rank Math, Yoast), Google Search Console, Figma, Adobe PS, GitHub.
Let’s build something that performs well, ranks high, and drives results 🚀
Steps for completing your project
After purchasing the project, send requirements so Valentyna can start the project.
Delivery time starts when Valentyna receives requirements from you.
Valentyna works on your project following the steps below.
Revisions may occur after the delivery date.
Designing a calculator according to your requirements
Design the user interface of the calculator and creation of calculator functionality