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How to Set Your Freelance Day Rate as a Developer (With a Free Calculator)

One of the hardest things about going freelance as a developer isn't writing code — it's knowing what to charge. Charge too little and you're basically doing a salaried job without the benefits. Charge too much without backing it up and you scare off clients. Most developers I've spoken to either guessed their rate or copied someone else's. Neither is a great strategy. In this article I want to walk you through exactly how to calculate your freelance day rate properly — based on real numbers, not gut feeling. Why Most Freelancers Get Their Rate Wrong The most common mistake is this: taking your old salary and dividing it by 260 working days. That ignores: Taxes (you now pay both sides of self-employment tax in the US) Unpaid days — holidays, sick days, slow months with no clients Business costs — software, hardware, insurance, accountant fees No employer pension or benefits — you fund all of this yourself If you were earning $80,000 as a salaried developer and you divide that by 260, you get roughly $307/day. But that's actually a pay cut once you factor everything in. The Right Formula Here's the framework: Step 1 — Work out your actual billable days A year has 260 working days. Subtract: Public holidays (~10 days in the US) Your own holiday allowance (~15 days) Estimated sick days (~5 days) Non-billable time: admin, chasing invoices, marketing yourself (~20 days) That leaves roughly 210 billable days. Step 2 — Calculate your real income target Take what you want to take home and gross it up for tax. If you want $70,000 net and your effective tax rate is around 30%, your gross target is roughly $100,000. Step 3 — Add your business costs Software subscriptions, hardware depreciation, liability insurance, accountant — easily $5,000–$10,000/year for a freelance developer. Step 4 — Divide by billable days $110,000 ÷ 210 = $524/day That's your minimum. Price below that and you're losing money compared to employment. A Faster Way — Use a Free Calculator If that maths mad

2026-06-27 原文 →
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How to Detect Which Font Is Actually Rendering in a Browser (Not Just the CSS Stack)

getComputedStyle(element).fontFamily returns the CSS declaration: "Hiragino Kaku Gothic ProN", "Yu Gothic", "Noto Sans JP", sans-serif . That's not the font that rendered. It's a priority list. The browser picks the first one that's available and contains a glyph for the character being rendered. For Latin text, this distinction usually doesn't matter — Windows, macOS, and Linux have converged on a small set of common system fonts. For Japanese, it matters enormously. The visual weight, stroke contrast, and letterform style of Hiragino, Yu Gothic, and Noto Sans JP are genuinely different. A site designed on macOS (where Hiragino is the system Japanese font) looks different on Windows (where Yu Gothic is the fallback). Here's how to figure out what's actually rendering, and what I learned building Japanese Font Finder to automate it. Why getComputedStyle Doesn't Answer the Question getComputedStyle(el).fontFamily gives you the cascade result — what the browser received after applying all CSS rules. But it doesn't tell you which entry in the stack was selected. The underlying question is: does this font exist on this system, and does it have a glyph for this specific character? For Japanese, both conditions matter. A font might exist on the system but only cover a subset of kanji (common with CJK fonts that split across multiple files). The browser will use that font for characters it covers, and fall back for others. Canvas-Based Font Detection The classical technique uses a <canvas> element to measure text rendered with each font in the stack: function getFallbackWidth ( canvas , char ) { const ctx = canvas . getContext ( ' 2d ' ); ctx . font = `16px monospace` ; // known-available baseline return ctx . measureText ( char ). width ; } function testFont ( fontName , char ) { const canvas = document . createElement ( ' canvas ' ); const ctx = canvas . getContext ( ' 2d ' ); ctx . font = `16px " ${ fontName } ", monospace` ; return ctx . measureText ( char ). width ; }

2026-06-27 原文 →
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The Guardian’s Kai Wright refuses to buy a new phone

Kai Wright is the co-host of Stateside with Kai and Carter over at the Guardian. But Wright has been bringing his unique insights to listeners for years. He's also hosted Notes From America, The United States of Anxiety, and Indivisible. He's a Peabody Award-winning journalist who has profiled powerful men, explored what it means to […]

2026-06-27 原文 →
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