推定税率: 30% | 生活費係数: 1.15倍
収入とスケジュール
IDE、ホスティング、デザインツールなど
プロジェクト価格ガイド
年収の内訳
地域別料金 (2026年3月)
ZBuild でより多くのプロジェクトを完遂
フリーランスにとって、納期の短縮はより多くのクライアントと高い収入を意味します。ZBuild AI は、数ヶ月ではなく数週間でのアプリ構築を支援します。燃え尽きることなくアウトプットを最大化しましょう。
ZBuild を無料で試す →よくある質問
How do I determine my freelance rate in 2026?
Combine two approaches: top-down (market rates for your skill, experience, and location) and bottom-up (your desired income divided by billable hours). Take the higher of the two. Never price below the income-based rate, or you will fail to meet your financial goals.
What is a realistic billable hours target?
Most freelancers bill 25-30 hours per week out of 40 working hours. The remaining 10-15 hours go to admin, marketing, invoicing, and learning. New freelancers often overestimate billable hours. Start at 20 hours/week and increase as you establish a client pipeline.
Should AI/ML engineers charge more than other developers?
Yes. In March 2026, AI/ML engineers command a significant premium due to high demand and specialized skills. Base rates are typically 40-60% higher than general full-stack development. The premium is even larger for engineers with production ML deployment experience.
How do I account for taxes as a freelancer?
Set aside 25-35% of gross income for taxes (varies by country). As a freelancer you pay both income tax and self-employment tax. Factor this into your rate calculations. Consider quarterly estimated tax payments to avoid penalties. Our calculator includes region-specific tax estimates.