ナレッジハブ・技術ガイド
Freelance True Hourly Rate & Hidden Overhead Costs
Your True Hourly Rate reveals the actual net income you take home. Many freelancers mistakenly divide their project fee by their core development hours, ignoring unbilled project management, client revision cycles, software licenses, and self employment taxes.
Understanding your true net rate prevents underquoting and empowers you to price projects sustainably. This calculator runs strictly offline, keeping your business profitability metrics absolutely confidential.
コアアーキテクチャ & 計算式
True Net Rate = [ (Project Fee — Expenses) × (1 — Tax Rate) ] / Total Invested Hours
This equation divides your after tax net earnings by the total cumulative hours (Core + Revisions + Meetings) invested across the entire project lifecycle.
ベストプラクティスとガイドライン
- Cap Client Revisions in Contracts: Limit included revisions to a maximum of two rounds. State clearly in your contract that additional changes will be billed at an explicit hourly rate.
- Track Unbilled Communication Time: Emails, Slack messages, and weekly status calls typically consume 15 percent to 25 percent of a project's total duration. Always bake this buffer into your initial quote.
- Factor in Self Employment Tax Reserves: Always allocate 25 percent to 35 percent of your gross receipts for annual tax obligations before calculating your take home profit.
よくある質問 (FAQ)
Why is my nominal hourly rate misleading?
Charging $50 per hour for 20 billable hours yields $1,000. But if you spend 10 extra unbilled hours on calls and revisions, your effective rate drops to $33 per hour before taxes.
How do I increase my true hourly rate without losing clients?
Transition from hourly billing to flat rate value pricing. If you optimize your workflow to finish a $2,000 project in 10 hours instead of 20, your true hourly rate doubles automatically.