Need a JS/React programmer (front/back) for developing calculators.

Budget: 250 USD Deadline: 4 days

Good day. I am ready to start working after discussing the details.

I can do it in React.js or in plain js/ts (it’s better to take something reactive). I will create a convenient configuration for the calculator. The price for the template is approximately $250 (depending on the complexity of the controls/fields). The price for a new calculator will be approximately $30.

Message me privately, we will discuss the project in more detail.

Budget: 100 USD Deadline: 4 days

Good day!

I have already implemented a calculator for a Polish company — I can send a sample of my work so you can see how everything functions (saving entered data, calculations, reset, dynamic field changes, etc.).

Regarding your project:
✅ the logic is clear — in the first stage, we create a universal template based on the Figma layout, then we quickly implement other calculators, changing only the formulas and fields;
✅ I can do everything in pure JS/HTML/CSS, so it will be easy to integrate into WordPress, or in React if a more flexible solution is needed;
✅ functionality — complete saving of entered values, a "reset" button, basic validation, and responsiveness.

If needed, I can immediately show a demo from my previous project to assess the quality of implementation.

Budget: 1300 USD Deadline: 22 days

Good day!

We have studied your project and have relevant experience.

I would estimate such a project at 55,000 UAH.

This includes:
- development of the structure;
- writing texts;
- design;
- layout;
- making corrections and fixing bugs;
- technical settings;
- consultations and training on working with the admin panel;
- domain and hosting.

Here are examples of work on WordPress:
https://www.bizlg.com
https://www.iholz.ch
https://www.ics-market.com.ua
https://solarenergo.ua
https://piwott.com

This is a package offer. If you cover any of the components on your side, please write to me privately to discuss the cost. Expand

Budget: 200 USD Deadline: 3 days

Hello!
I am creating a universal calculator template in pure JS/HTML/CSS for easy integration into WordPress. After that, I will adapt other calculators by changing formulas and fields. I will implement saving entered values, resetting forms, and dynamic operation of each calculator.

$100-$200 for the layout of the first calculator.
$20-$100 for each subsequent calculator depending on complexity.

For a more accurate cost estimate, I need to review the design and your website.
I am ready to collaborate, feel free to reach out!

Budget: 25 USD Deadline: 1 day

Good day, Roman.
I am implementing the necessary templates for calculators so that everything can be easily modified on a large scale. I will do it in HTML, CSS, JS so that it works with WordPress.
I will complete it quickly and efficiently.

Budget: 350 USD Deadline: 5 days

Hello!
I saw your project, and I am interested in it. I have experience in both outsourcing and product development, and I work well in a team.

🔥 My key skills:
✅ Development and refinement of websites on WordPress
✅ Creation of custom themes and plugins
✅ Optimization of loading speed and SEO
✅ Integration of APIs and external services
✅ Support and refinement of existing projects

💻 Technologies:
WordPress, PHP, HTML, CSS, JavaScript, React, Vue, WooCommerce, ACF, Elementor, Git

If you value a quality and reliable solution – I am ready to discuss the details. You can contact me here or in a convenient format. Expand

Budget: 200 USD Deadline: 3 days

Good day!
The layout of the first calculator - approximately 100-200 dollars
Each calculator - 20-100 depending on the complexity.

For a more accurate price, I need to look at the design and your website.
I can do it in React as well as in plain JavaScript/Typescript. We will choose the best option for your situation.

Ready to get started, write to me.

Budget: 100 USD Deadline: 1 day

Hello, I will make calculators for you, I have proven it.

The links do not open, I cannot evaluate the project.

Budget: 500 USD Deadline: 7 days

Dear Roman,

I can build the calculators you need based on the examples from omnicalculator. com. I understand that you want the same functions, simple forms, saved values, reset actions, and correct formulas. I also understand that the design will come from your Figma file, and I will follow it exactly.

My plan is simple. First, I will create one main template in pure JS/HTML/CSS (or React JS if needed) that can be added to your WordPress site. This first step is bigger, because it sets the full structure for all future calculators. After the template is done, I can create the other calculators much faster by adding new fields and formulas.

I can give you a clear price and time for each calculator once I see the full design and formula list, but I am ready to start right away and work step by step.

Thank you for your time.
Jeo Vincent Carretas

Budget: 200 USD Deadline: 7 days

Hello!
I am ready to implement all the necessary calculators for your website.
Stage 1 - I will create a universal template based on your design using pure JS/HTML/CSS for easy integration into WordPress:
• saving values in the form
• resetting parameters
• dynamic calculations
• responsiveness
• easy addition of new calculators

Stage 2 - quick implementation of other calculators based on the ready template
(changing formulas + adding fields → without code duplication)

I am ready to provide:
• the cost for one calculator after reviewing the layout → but approximately:
— simple: $15–30
• timelines: 3–6 hours per calculator (after creating the template)

I have experience with JS, TypeScript, React, Next.js, API integrations, and optimization. Expand

Budget: 200 USD Deadline: 7 days

Hello! I am interested in your task.
I can complete your task in 7 days.
I have extensive experience working with JS and React.
I have also worked with WordPress, so there will be no problem inserting the calculator; regarding React, you are indeed right, it is better to use pure JS.
There are no difficulties regarding storing values; I will use the localStorage object in the browser so that when data is entered, the data is saved and the last values are available on the next visit to the site. No problem.
For the entire work, I will charge 200 dollars. For one calculator, approximately 30-40 dollars.
Plus or minus one day.
Okay ;)
Best regards, Adrian!

Budget: 50 USD Deadline: 10 days

🌟 Hello! I am a beginner **frontend developer** and I love creating modern websites!
💻 What I can do:
• 🚀 Landing pages
• 🛒 Online stores
• 📄 Multi-page websites
• 🏢 Presentation websites for companies

🛠️ My skills: **HTML, CSS, JavaScript, React, Next.js, React Router, Redux Toolkit**

💡 I am currently developing and building my portfolio — that's why I am taking on projects **at a symbolic price** 😄

📩 Message me if you need a stylish and responsive website!
Here are some of my works:
👉 https://github.com/Max-Chicus/portfolio Expand

Budget: 100 USD Deadline: 4 days

give calculations and design and i will make it work

no need for react js

pure js will be simple and easy to add more complex things on top if needed or more cheap to maintain

Budget: 300 USD Deadline: 7 days

Hello. I will implement calculators according to your design — first, I will create a universal template in pure JS/HTML/CSS for easy integration into WordPress, then I will adapt the other calculators by changing the formulas and fields. I will ensure the preservation of values, form resets, and dynamic operation of each calculator. I am ready to discuss the details and start the first stage.

Budget: 2000 USD Deadline: 20 days

Hello.
Ready to implement 2 stages of the project in pure JS/HTML/CSS with integration into WordPress.
Stage 1: Universal template
Stage 2: Implementation of the remaining 5 calculators based on the ready template

Approach:
Flexible architecture: one engine + config files for each calculator
Quick addition: we change formulas and fields in the configs, without code duplication
Functionality: saving values, reset, validation, etc.

Conditions:
Cost: $2000 (for the template + 5 calculators)
Deadline: 20 days
Waiting for Figma layouts for final complexity assessment

Experience 6+ years, have experience with calculators and WP.
Ready to discuss details. Expand

Budget: 2200 USD Deadline: 30 days

I went through several calculators, I would do it in the form of a data-driven UI, that is, one general component, and the number of input parameters and the calculation formula are stored in separate configs, and each calculator is generated dynamically depending on the config.

As an option, we can also think about creating a calculator builder so that calculators can be created in the browser rather than in code. However, considering the number of already existing calculators, I don't think there will be a need for this.

I cannot give a precise answer point by point yet, as I have not looked at all the calculators. But - I see it this way that adding each new calculator will come down to adding a config (number, type of inputs, units of measurement) and a formula, so in theory, it won't take too much time. To control the correct results, I would also add some unit tests.

If this is a long-term project, it is easier to add an hourly rate for work, let it be $15. The price for a specific calculator is not entirely correct since they differ; the implementation of one will take more time, while the implementation of another will take less.

The price for deadlines is conditional.

Budget: 250 USD Deadline: 7 days

Hello. We will create calculators for you based on your templates, quickly and efficiently. Message me privately, and we will discuss all the details.

Budget: 200 USD Deadline: 3 days

Hello, Roman!
I am implementing calculators in React.js or vanilla JS - at your choice. Please send a link to the layout and the exact technical specifications for estimating the timelines and costs.

Best regards, Yuriy

Budget: 250 USD Deadline: 2 days

Hello, I am ready to implement such calculators. You can contact me, I will create a universal component, and the next calculators will be added very easily. To name the exact price, I need to look at the design. Approximately $250.

Budget: 150 USD Deadline: 2 days

Good day! I have good skills in programming in HTML/CSS/JS, I know React.js and Next.js well. I also have experience working with PostgreSQL and integrating APIs. Implemented projects are in the portfolio. I am ready to collaborate!

Budget: 111 USD Deadline: 111 days

Ready to discuss) Experience with Vue and React 5+ years. On the backend, worked with NodeJS and Laravel. Had experience as a layout designer. Hourly rate $10/hour.

Budget: 585 USD Deadline: 7 days

I will take the entire scope through the approach "platform → configs → bulk."

Platform (one-off): UI under Figma, fields + units, secure formula parser (without eval), state saving/Reset/URL, WP shortcode, assembly, QA. Estimate: 28–32 hours × $15 = $420–480. Pilot (platform + first 5) ≈ $585. + exchange commission 100% or half?: $52.65

Next, each calculator = config on the ready platform:
Tier A (simple) $12, Tier B $20, Tier C $35; for packages 300+/1000+/3000+ — reduced bulk rates (e.g.: A $7/$5/$3–4, B $12/$10/$7–8, C $25/$20/$15–18). I assemble configs semi-automatically from CSV/Google Sheets.

Process: pilot 100 pcs → we fix the actual share A/B/C → we agree on bulk rate and monthly packages (e.g., 300–600/month).

To start: Figma template mockup, 5 target calculators, formula/coefficient table (CSV/Sheets). Ready to begin.

Budget: 100 USD Deadline: 5 days

2. The description and main formulas are on the original website.
3. Saving the entered values in the form is additional functionality, it needs to be discussed.
4. From $5 to $40.
5. From half an hour to possibly several days.

Budget: 3300 USD Deadline: 30 days

I want to layout and program 3753 calculators for you! I believe in the success of our collaboration.

Budget: 270 USD Deadline: 8 days

Stage - creating a basic template
This is the foundation: adaptive design, form logic, calculations, animations, result visualization, structure for future calculators.
$270
5-7 days of work
(depending on the complexity of the first chosen calculator - I would choose something medium, like Vegan Footprint).