Redmoon Converters 将自由职业日薪与等效全职年薪进行对比，综合考虑每年可计费天数、税费、养老金/401k及无薪假期。
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日薪 → 年薪：税前收入 = 日薪 × 计费天数。到手收入 = 税前收入 × (1 − 税率%) − 养老金缴款。
年薪 → 日薪：所需日薪 = 年薪 ÷ 计费天数。若要与雇员薪酬待遇对等，需乘以 1 + （带薪休假天数 ÷ 计费天数），从而将无薪休假时间计入价格。
Freelance Hourly to Project Rate Calculator
Convert your hourly rate to a fixed project quote, with revision buffers, expense and profit markup.
Freelance Currency & Tax-Adjusted Rate Converter
Convert a client-currency invoice to your take-home in your local currency after tax and FX fees.
1099 Contractor Rate vs. W-2 Salary Converter
Convert a 1099 contractor hourly rate to an equivalent W-2 salary, accounting for self-employment tax, benefits and PTO.
Mileage Deduction & Reimbursement Calculator
Calculate your business mileage tax deduction or reimbursement using US IRS or UK HMRC mileage rates.
3D Print Total Cost Estimator (Filament + Time + Markup)
Calculate full print cost: filament, electricity, machine wear, failure rate and labour markup. Etsy-ready price.