Interactive Tool

Website Cost Calculator

Get an instant, transparent estimate for your web design or custom software project in Kolkata. Pick your requirements below.

1
Website type

What type of website do you need?

PHP Business Website

Starting at ₹50,000

  • PHP-powered fast website
  • PHP admin panel included
  • SQL database
  • View & manage leads
  • Blog management system
Most Popular

Next.js / React Website

Starting at ₹70,000

  • Next.js for blazing speed
  • Full admin panel
  • Blog & product upload
  • Inquiry dashboard
  • Full technical SEO + sitemap
  • Custom homepage UI design

Next.js + E-commerce / Admin

Starting at ₹1,20,000

  • Node.js backend
  • MongoDB database
  • Product upload panel
  • Blog & inquiry management
  • Full technical SEO + sitemap

Shopify Store

Starting at ₹50,000

  • Full Shopify setup & config
  • Theme customisation
  • Product catalogue setup
  • Payment & shipping integration
  • Template cost billed separately
Premium

High-End 3D / Visual FX Site

₹2,50,000+

  • Three.js / GSAP animations
  • Custom interactive design
  • Portfolio-grade visual storytelling
  • Fully bespoke UI & layout

Web App / Panel / SaaS

From ₹1,00,000

  • Custom logic & workflows
  • Role-based access control
  • API & third-party integrations
  • Scalable architecture
2
Number of pages

How many pages do you need?

1 – 5 Pages

Included in base price

6 – 15 Pages

+₹15,000

16 – 50 Pages

+₹40,000

3
Design level

What level of design do you expect?

Direct Custom Design

Included in base price

  • Clean & modern look
  • Customised to brand

Custom UI / UX Design

+₹30,000

  • Bespoke Figma design
  • Unique layouts & sections

High-End Interactive

+₹80,000

  • GSAP & scroll animations
  • Immersive visual storytelling
4
Optional add-ons

Any additional services?

Content Writing

+₹15,000

Professional copy written for all pages

Advanced SEO Setup

+₹25,000

Schema markup, meta tags, sitemap & Core Web Vitals

Custom Admin / CRM

+₹50,000

Bespoke dashboard, reports & data management

Speed & Performance Audit

+₹20,000

Full Core Web Vitals optimisation & Lighthouse tuning

Estimated Investment

₹50,000

Starting estimate · INR

* This is a starting estimate based on typical requirements. Final pricing may vary based on exact scope, third-party integrations, and timeline.

Transparent, no-surprise pricing
Detailed proposal within 24 hours
Source code & full ownership
Post-launch support included
Technical Reference

Price Transparency Guide:
Defining Web Architecture Costs

Understanding what drives web development pricing requires an engineering lens, not a marketing one. This guide covers the key cost variables that every business engaging a web design company in Kolkata should understand before requesting a quote.

⚙️

Legacy PHP vs. Modern React/Next.js

A standard LAMP stack (Linux, Apache, MySQL, PHP) is inherently synchronous. For static corporate sites, PHP is cost-effective and fully viable — server-side rendering is handled natively without specialist frontend engineers.

When scoping an ecommerce website cost in Kolkata — where sub-second load times directly impact conversions — a decoupled Next.js architecture becomes structurally necessary. Static Site Generation (SSG) and Incremental Static Regeneration (ISR) deliver near-instantaneous TTFB, but require dedicated frontend engineers, Node.js REST APIs, and headless CMS configurations. This linearly increases development hours versus a PHP monolith.

Animation Engineering: GSAP / Three.js Premium

Standard CSS transitions are baseline. Introducing GSAP (GreenSock Animation Platform) or WebGL via Three.js fundamentally alters scope — these require DOM manipulation and canvas rendering at 60fps without triggering browser reflows or repaints.

ScrollTrigger mechanics, 3D matrix transformations, and WebGL context execution demand robust mathematics alongside continuous memory profiling. A single high-end interactive sequence can consume 20–30 hours of specialist engineering — directly reflected in the custom web application development cost.

🗄️

SQL vs. MongoDB in SaaS Pricing

A relational database (PostgreSQL / MySQL) demands a rigidly defined schema. For highly transactional SaaS platforms — financial ledgers, inventory systems — SQL is the obligatory choice, but schema migrations (foreign key adjustments, index changes) are time-intensive and raise the baseline cost.

NoSQL solutions like MongoDB use document-based BSON storage. For MVPs or platforms handling unstructured JSON payloads — variable product catalogs, dynamic logs, user content feeds — MongoDB eliminates complex JOIN operations, reducing backend engineering hours during the initial build phase and improving cost efficiency at scale.

Working with a professional web design and development company in Kolkata ensures that the database architecture decision aligns with your actual growth requirements, not just the default preference of the developer.

Kolkata Web Design Costs: Expert FAQ

Pricing variances emerge strictly from the technology stack and execution environment. An agency deploying a pre-purchased PHP template limits engineering hours, while a firm building a custom Next.js application requires specialized frontend and backend developers, structurally raising the project baseline but providing long-term scalability.

System variables include the magnitude of the product catalog databases, complexity of internal API relationships, integration of localized payment gateways (like Razorpay or Stripe), and the architectural choice between monolithic CMS platforms versus Headless React environments.

The established custom web application development cost encompasses the architectural UX logic, API framework, and codebase creation. However, continuous AWS EC2 server provisioning or S3 bucket scaling configurations operate independently as recurring infrastructural line items based on monthly traffic.

Standard responsive layouts are universal. However, rigorous optimization requiring distinct WebP asset pipelines, cache invalidation protocols, and Node.js optimization to guarantee a sub-1.2s Largest Contentful Paint (LCP) falls under advanced performance engineering rather than a standard baseline deployment.

Custom platforms require continuous technical deployment supervision to update dependencies, monitor Node.js security vulnerabilities, and optimize persistent MongoDB or SQL queries. Retainers are systematically calculated at roughly 15% to 20% of the initial system development cost applied annually.