วิธีการคำนวณ Hourly to Project Rate Converter

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The Hourly to Project Rate Converter helps freelancers and consultants convert hourly rates into project-based fixed pricing that properly accounts for time buffer (project overrun risk), overhead (your business costs), and profit margin. Hourly billing has limited upside; project-based pricing rewards efficiency. The calculator outputs the recommended project rate and effective hourly rate, helping you transition from time-billing to value-billing.

สูตร

Project Rate = (Hourly × Hours) × (1 + Buffer%) × (1 + Overhead%) × (1 + Profit%)

H: Hourly Rate ($/hr) — Your base rate

คำแนะนำทีละขั้นตอน

1Enter your standard hourly rate
2Enter estimated project hours
3Set buffer percentage (20% typical, covers scope creep)
4Set overhead percentage (15% typical, covers tools/admin/taxes)
5Set profit margin (20%+ typical for project work)
6Calculator outputs project rate and effective hourly

ตัวอย่างที่มีคำตอบ

อินพุต

$75/hr × 40hr, 20% buffer, 15% overhead, 20% profit

ผลลัพธ์

$3,000 base → $4,320 project rate, $108 effective hourly

ข้อผิดพลาดที่ควรหลีกเลี่ยง

✕Quoting project rate equal to hourly × hours (no buffer/profit)
✕Underestimating project hours by 30-50%
✕Forgetting overhead and taxes

คำถามที่พบบ่อย

Should I always do project pricing?

Project pricing works best when scope is clear and you can deliver efficiently. Hourly works better for ongoing/unclear scope. Many freelancers offer both with project pricing for defined work, hourly for retainer.

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