如何计算Net Salary
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A net salary calculator estimates take-home pay after deducting income tax, national insurance or social security contributions, and pension contributions from gross salary.
公式
net = gross - federal_tax - FICA - state_tax - (optional: health_ins, 401k, other_deductions)
- gross
- Gross salary ($) — Annual pay before deductions
- fed_tax
- Federal income tax ($) — IRS withholding
- fica
- FICA (Social Security + Medicare) ($) — Payroll taxes (15.3% employer+employee total)
- net
- Net (take-home) salary ($) — Amount after all deductions
分步指南
- 1Net Pay = Gross Pay − Income Tax − National Insurance − Pension
- 2Income tax bands apply progressively above the personal allowance
- 3NI in UK: 8% on earnings £12,570–£50,270, 2% above
- 4Pension contributions reduce taxable income
例题解析
输入
£35,000 gross (UK)
结果
Approx £27,800 net after tax and NI
输入
$60,000 gross (US, single)
结果
Approx $47,000 net after federal/state tax
输入
£50,000 gross (UK)
结果
Approx £37,500 net
常见问题
What is FICA?
Federal Insurance Contributions Act. Social Security (6.2% + 6.2% employer) + Medicare (1.45% + 1.45% employer). Self-employed pay the full 15.3%.
Why is my paycheck less than expected?
Federal income tax (varies by bracket), FICA taxes, state income tax (if applicable), health insurance premiums, 401(k) contributions, other deductions.
How accurate is this calculator?
It provides estimates. Exact withholding depends on W-4 form, filing status, dependents, and recent tax law changes. Ask payroll for exact amounts.
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