Stop Underpricing Your Fixed-Price Software Projects

DevCalc is a structured fixed-price pricing system for freelance developers who want predictable margins and client-ready proposals.

Instant download. No subscription. Built for solo software freelancers.

Fixed-Price Projects Are Profitable — If Priced Correctly

Most freelancers calculate:Estimated hours × hourly rateThat ignores:• Meetings & coordination
• Risk and uncertainty
• Negotiation room
• Explicit profit marginWithout structure, fixed-price becomes unpaid overtime.DevCalc gives you a repeatable pricing system that prevents underpricing.

How DevCalc Works

1. Fill the Input Tab

Enter:• Hourly rate
• Target profit margin (%)
• Risk buffer (%)
• Meetings/admin overhead (%)
• Sales/negotiation buffer (%)
• Project phases and hoursYou only edit column B.

2. Everything Calculates Automatically

DevCalc calculates:• Base cost
• Overhead
• Risk buffer
• Negotiation buffer
• Subtotal
• Profit
• Final project priceNo manual formulas.
No rebuilding spreadsheets.

3. Generate a Client-Ready Proposal

A structured proposal page is created automatically.Export as PDF.
Send to client.
Done.

See the System in Action

Fill only column B. Everything else calculates automatically.

Generate a structured client-ready proposal instantly.

What You Get

  • Structured fixed-price calculation system

  • Locked formulas (no accidental changes)

  • Editable project phase structure Automatic buffer and profit calculation

  • Built-in proposal page

  • PDF export ready

  • Simple instructions

One Underpriced Project Can Cost More Than $39

Example:Without structured pricing: $5,680
With structured buffers and margin: $8,860.80Difference: $3,180.80DevCalc costs $39.One correctly structured quote can justify the investment.

Built for Solo Software Freelancers

Ideal if you:

  • Do fixed-price software projects

  • Quote projects between $1k–$50k

  • Want structured negotiation room

  • Want predictable profit margins

  • Prefer Google Sheets over complex software

Not built for agencies or hourly-only billing models.

DevCalc Pricing

$39

  • Structured fixed-price calculation model

  • Automatic risk, overhead & profit calculation

  • Client-ready proposal generator

  • Editable project phases

  • PDF export ready

  • Simple step-by-step instructions

One-time purchase. Instant download. No subscription. No recurring fees.

Frequently Asked Questions

Do I need Google Sheets?

Yes. DevCalc is built in Google Sheets.

What happens after purchase?

You receive an instant download link.

Can I modify project phases?

Yes. Phases are editable. Formulas are protected.

Is this a subscription?

No. One-time purchase.