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Current IIT{{ resultsReady ? formatCurrency(computation.values.current_withholding_tax) : '—' }} Bracket{{ resultsReady ? formatPercent(computation.values.current_withholding_rate) : '—' }} Pay month{{ resultsReady ? computation.values.payroll_month : '—' }}

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Resident salary and payroll inputs
Confirm resident treatment before using this payroll estimate.
Choose 2 for the second salary payment after joining this employer during the year.
¥CNY / month
Use the regular amount shown in current payroll records.
¥CNY / month
This employee cash deduction also reduces taxable income when eligible.
¥CNY / month
The calculator does not infer a city contribution rate or base.
¥CNY / month
This reduces taxable income but is not subtracted from cash pay again.
¥CNY / month
Neutral default: ¥0.
¥CNY / month
Neutral default: ¥0.
¥CNY / month
Neutral default: ¥0.
Current pay result
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Current withholding trace:
State Taxation Administration resident salary method, verified 26 August 2026. This estimates withholding, not annual reconciliation.
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The chart renderer is unavailable. The same monthly values remain available in the payroll ledger.

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Pay monthGrossSocial insuranceHousing fundTaxable YTDBracketIIT this monthTake-homeCopy
Month {{ row.month }}{{ formatCurrency(row.gross_pay) }}{{ formatCurrency(row.employee_social_insurance) }}{{ formatCurrency(row.employee_housing_fund) }}{{ formatCurrency(row.cumulative_taxable_income) }}{{ formatPercent(row.withholding_rate) }}{{ formatCurrency(row.current_withholding_tax) }}{{ formatCurrency(row.take_home_pay) }}

A Mainland China salary can have different individual income tax withheld in different months even when gross pay stays unchanged. Resident salary withholding uses a cumulative method: income and deductions build from the employee's first payroll month with the current employer, the applicable bracket is selected from the year-to-date taxable amount, and tax already withheld is subtracted.

This cumulative treatment means a higher rate shown late in the year does not apply to the whole gross salary. It applies through a quick-deduction formula to cumulative taxable income. The current month's withholding is only the increase in cumulative tax since the previous payroll month.

Gross pay
Salary before employee contributions, tax, and other payroll deductions.
Cumulative taxable income
Year-to-date salary after tax-exempt income, the monthly basic deduction, eligible employee contributions, special additional deductions, and other lawful deductions.
Quick deduction
The fixed amount paired with a withholding rate so the progressive schedule can be calculated in one expression.
Take-home pay
Gross pay minus employee social insurance, housing fund, other after-tax payroll deductions, and current withholding tax.

Local social-insurance and housing-fund amounts are not universal. Contribution bases, rates, and caps can vary by city and employee circumstances, so they must come from current payroll records or a qualified local source. Special additional deductions also depend on the employee's eligibility and submitted information.

Withholding is an advance payment, not necessarily the final annual tax. Annual reconciliation can produce additional tax or a refund, and non-resident status, treaty relief, multiple employers, changing monthly pay, bonuses, irregular income, or uncertain residence needs a different analysis.

This material is for estimation and education, not tax, payroll, or legal advice. Confirm residence treatment and current deductions before using the result for payroll.

How to Use This Tool:

Use one employee's regular monthly payroll amounts and count payroll months from joining the current employer.

  1. Confirm Resident individual — cumulative withholding. Stop if the employee is non-resident, treaty-affected, or uncertain because that treatment is outside this estimate.
  2. Choose the Employment payroll month. Month 2 means the second salary payment from this employer in the tax year, not automatically February.
  3. Enter monthly gross pay and any tax-exempt income already included in that gross amount.
  4. Enter employee social insurance and housing fund from current payroll records. The calculator does not infer local rates or contribution bases.
  5. Add eligible special additional deductions and other lawful tax deductions. Add other payroll deductions only when they reduce cash after tax.
  6. Check Current withholding tax, Current take-home pay, and the cumulative ledger against the employer's payroll record.

Interpreting Results:

Current withholding rate is the bracket rate selected from cumulative taxable income. It is not the percentage of gross pay lost to tax. Effective withholding rate divides cumulative withholding tax by cumulative gross pay and is the more useful year-to-date ratio.

  • A rise in Current withholding tax can occur when cumulative taxable income crosses a bracket boundary even though monthly pay is unchanged.
  • Cumulative withholding tax should be compared with year-to-date payroll, while Current withholding tax belongs to the selected month's payslip.
  • Special additional deductions reduce taxable income but are not subtracted from cash pay again. Social insurance and housing fund reduce both taxable income and take-home cash in this model.
  • A close match does not verify the entered contribution amounts, tax-exempt treatment, residence status, or annual reconciliation position.

Technical Details:

The resident salary method accumulates the same entered monthly amounts through the selected employment payroll month. It subtracts ¥5,000 for each employment month, then chooses the first withholding bracket whose upper limit contains the cumulative taxable amount.

Formula Core:

Current withholding is the cumulative liability at month m minus cumulative tax already calculated through month m minus 1. A negative amount is set to zero rather than refunded through the monthly estimate.

Ym = max(0,m×(G-E-5000-S-H-A-D)) Cm = max(0,Ym×r-Q) Tm = max(0,Cm-Cm-1) TakeHome = G-S-H-P-Tm
China cumulative withholding formula variables
SymbolMeaningUnit
mEmployment payroll month, from 1 through 12months
G, EMonthly gross pay and tax-exempt income included in grossCNY
S, HEmployee social insurance and housing fundCNY
A, DSpecial additional deductions and other lawful tax deductionsCNY
POther payroll deductions taken from cash after taxCNY
Ym, Cm, TmCumulative taxable income, cumulative withholding tax, and current withholding taxCNY
r, QBracket rate and quick deductionpercent and CNY

Lookup Core:

Upper limits are inclusive. For example, cumulative taxable income of exactly ¥36,000 remains in the 3% row; an amount above ¥36,000 moves to the 10% row.

Resident salary cumulative withholding brackets
Cumulative taxable incomeRateQuick deduction
Up to and including ¥36,0003%¥0
Above ¥36,000 to ¥144,00010%¥2,520
Above ¥144,000 to ¥300,00020%¥16,920
Above ¥300,000 to ¥420,00025%¥31,920
Above ¥420,000 to ¥660,00030%¥52,920
Above ¥660,000 to ¥960,00035%¥85,920
Above ¥960,00045%¥181,920

At month 12, monthly gross of ¥30,000, employee social insurance of ¥3,150, housing fund of ¥2,100, and special additional deductions of ¥2,000 produce cumulative taxable income of ¥213,000. The 20% bracket and ¥16,920 quick deduction give cumulative tax of ¥25,680. After subtracting prior cumulative tax, current withholding is ¥3,550 and current take-home pay is ¥21,200.

Money is rounded to two decimal places at each monthly cumulative and current-tax step. The estimate assumes each entered monthly amount is unchanged for months 1 through m.

Accuracy Notes:

  • Only resident-individual cumulative salary withholding is supported; non-resident, treaty, and uncertain cases are rejected.
  • Changing pay, deductions, prior-employer amounts, one-off bonuses, multiple income sources, and tax reductions or exemptions beyond the entered fields are not modeled.
  • City-specific social-insurance and housing-fund rates, bases, and caps must be supplied by the user.
  • The English State Taxation Administration text is a reference translation; the Chinese text prevails if wording differs.

References: