Cost Calculator AI
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Website Development Cost Calculator

Calculate bespoke website development estimates based on UI/UX wireframing hours, frontend styling, backend API coding, QA testing, and third-party software integrations.

Calculated Website & Hosting Breakdown

Custom Web Development Cost Formula

Total Dev Cost = (UI/UX Hours * Rate) + (Frontend Hours * Rate) + (Backend Hours * Rate) + (QA Hours * Rate) + Third-Party Integrations
  • UI/UX Design: Figma prototypes, responsive mobile mockups, and design system creation.
  • Frontend Development: HTML/CSS/JS, React, Astro, or Vue component implementation.
  • Backend & CMS: Database schema design, authentication, custom API endpoints, or headless CMS setup.
  • QA & Cross-Browser Testing: Accessibility audits, performance tuning, and multi-device QA.

Step-by-Step Worked Example

Scenario: A startup builds a custom web application requiring 25 design hours ($85/hr), 40 frontend hours ($95/hr), 20 backend hours ($110/hr), 10 QA hours ($70/hr), and $500 in third-party setup fees.

Calculation Steps:

  1. Design Subtotal: 25 * $85 = $2,125.00
  2. Frontend Subtotal: 40 * $95 = $3,800.00
  3. Backend Subtotal: 20 * $110 = $2,200.00
  4. QA Subtotal: 10 * $70 = $700.00
  5. Total Labor (95 hrs): $2,125 + $3,800 + $2,200 + $700 = $8,825.00
  6. Total Development Cost: $8,825 + $500 = $9,325.00
Result: The total project development cost is $9,325.00 over 95 engineering hours (blended rate of $92.89/hr).

How to Use This Calculator

  1. 1Estimate the engineering hours required for UI/UX, frontend, backend, and QA testing.
  2. 2Enter the corresponding hourly billing rates for your engineers or agency.
  3. 3Add any fixed integration fees (e.g., Stripe, CRM, or identity verification setup).
  4. 4Review total development expense, project hours, and blended hourly rate.

Assumptions & Limitations

  • Excludes scope-creep revisions beyond the specified project hours.
  • Third-party recurring SaaS API fees are calculated separately.

Frequently Asked Questions

What is the average hourly rate for web developers in the US?

US freelance web developers typically charge $65 to $125 per hour depending on seniority, while established US design and software development agencies bill $125 to $225+ per hour.

How long does it take to develop a custom 10-page website?

A standard custom 10-page business website typically requires 60 to 120 total engineering and design hours, translating to a delivery timeline of 4 to 8 weeks.

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