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精确计算 · 2026税率

自雇税规划器

比1099简版计算器更精确:使用2026年真实联邦税率区间,自动扣除标准扣除额、 QBI扣除(合格商业收入20%扣除)和SE Tax半额扣除,并显示完整季度缴款日历。

2026真实税率区间自动计算QBI扣除季度日历Safe Harbor计算
填表说明
  • 自雇净收入:你的1099/接案收入,已减去商业支出后的数字。
  • 其他收入:如果你同时有W-2工资收入,填在这里。
  • State Tax Rate:你所在州的个人所得税税率(联邦税系统会自动计算)。
  • Prior Year Tax:去年总税款,用于计算Safe Harbor避免罚款。

Self-Employment Tax Estimator

Uses actual 2026 federal tax brackets — not a flat rate estimate. Results update instantly.

Tax breakdown
Self-Employment Tax (SECA)
Net SE income$72,000
SE taxable amount (×92.35%)$66,492
SE tax (15.3%)$10,173
SE tax deduction (½ of SE tax)−$5,087
Federal Income Tax
Adjusted gross income (AGI)$66,913
Standard deduction−$15,000
QBI deduction (20%)−$14,400
Federal taxable income$37,513
Federal income tax$4,263
Marginal rate12.0%
Summary
Total estimated tax$14,436
Still owed this year$14,436
Quarterly payment$3,609
Safe harbor quarterly$3,248
Take-home pay (after all tax)$57,564
Effective tax rate20.1%

Estimate only. Applies standard deduction, QBI deduction (if below threshold), and half-of-SE-tax deduction automatically. Does not include tax credits, AMT, or NIIT. Consult a CPA for filing.

2026 Quarterly Payment Calendar

Pay $3,609 by each deadline to avoid IRS underpayment penalties.

Q1
April 15, 2026
Jan – Mar income
$3,609
passed
Q2
June 15, 2026
Apr – May income
$3,609
passed
Q3
Sep 15, 2026
Jun – Aug income
$3,609
in 79d
Q4
Jan 15, 2027
Sep – Dec income
$3,609
in 201d
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Deductions already applied

$5,087
Half of SE tax (above-line)
$15,000
Standard deduction
$14,400
QBI deduction (20%)

You may have more deductions available. Calculate home office, mileage & equipment deductions →

计算器界面为英文(税务术语跨语言通用)。计算结果为估算,正式报税请咨询CPA会计师。

这个计算器做了什么

1

SE Tax(自雇税)

净自雇收入 × 92.35% = 应税自雇收入。再 × 15.3% = 自雇税(12.4% 社会安全 + 2.9% 医疗保险)。

2

联邦所得税(真实税率)

AGI = 净收入 − SE Tax一半 − 健康保险 − 退休金缴纳。再减去标准扣除额和QBI扣除后,按真实税率区间计算联邦税。

3

季度预缴

全年税款 ÷ 4 = 建议季度缴纳额。同时展示Safe Harbor金额(去年税款÷4),两者取较大值更安全。

相关工具

英文版: Self-Employment Tax Planner (English)