The Washington Paycheck Calculator helps you accurately estimate your 2026 net pay, including federal taxes, Social Security, Medicare, WA Cares, PFML, L&I, and pre-tax deductions. Instantly understand your take-home pay per paycheck with clear breakdowns and WA-specific insights.

Employee Information

Gross Pay Amount (Per Period)

Pay Frequency

Federal Filing Status

401(k) / Pre-Tax Deduction (%)

WA State Advanced Details PRO

Work Location (Min Wage & Sick Leave)

Hours Worked (Per Pay Period) Used for Sick Leave & L&I estimates

L&I Risk Class (Worker’s Comp)

WA Cares Fund Exempt?

WA PFML Exempt?

Per Pay Period

$0.00

Estimated Net Pay

Gross Pay

$0.00

Total Tax

$0.00

Effective Rate

WA Benefits & Compliance

Sick Leave Accrued

0.0 hrs

$0.00 Value

Hourly Rate

$0.00

Effective

WA Cares Projection

Projected contribution over 10 years vs. $36,500 benefit cap.

10-Year Contribution $0.00

Lifetime Benefit Cap: $36,500 (fixed by law) $36,500

Tax & Deduction Breakdown

Federal Income Tax -$0.00

Social Security (6.2%) -$0.00

Medicare (1.45%) -$0.00

WA Cares Fund (0.58%) -$0.00

WA PFML (Medical/Family) -$0.00

L&I Worker’s Comp (Est) -$0.00

401(k) / Pre-Tax -$0.00

Visual Breakdown

The Washington Paycheck Calculator computes net pay, tax withholdings, and state-mandated deductions based on user-provided employment data. It processes gross pay inputs alongside federal tax parameters and specific Washington State constants—including the WA Cares Fund, Paid Family and Medical Leave (PFML), and Labor and Industries (L&I) worker’s compensation rates—to generate a numerical breakdown of a paycheck.

The calculator converts input variables such as pay frequency, hours worked, work location, and risk classification into specific output metrics. It incorporates projected 2026 federal tax brackets and state-specific minimum wage thresholds to assess compliance and estimate take-home pay.

Inputs Used by the Washington Paycheck Calculator

The calculation relies on specific input fields categorized by employee information and Washington advanced details:

Gross Pay Amount: The total monetary compensation earned per pay period before any deductions.
Pay Frequency: Defines the number of pay periods in a fiscal year. Options include Weekly (52), Bi-Weekly (26), Semi-Monthly (24), Monthly (12), and Annually (1).
Federal Filing Status: Selects the federal tax bracket set and standard deduction used for income tax calculations. Options are Single, Married Filing Jointly, and Head of Household.
401(k) / Pre-Tax Deduction (%): A percentage of gross pay deducted from the taxable income base before federal income tax is calculated.
Work Location: A selection that determines the applicable minimum wage and salary threshold constants. Options include “WA Statewide,” “Seattle,” and “SeaTac.”
Hours Worked: A numeric input representing the total hours worked per pay period. This figure directly drives the L&I deduction calculation and sick leave accrual estimates.
L&I Risk Class: Selects the hourly deduction rate for Worker’s Compensation. Defined classes in the code are:
- Office / Clerical: Low risk rate ($0.06/hr).
- Retail / Service: Medium risk rate ($0.20/hr).
- Construction / Manual: High risk rate ($1.39/hr).
- Exempt: No deduction ($0.00/hr).
WA Cares Fund Exempt: A toggle (“Yes” or “No”) that enables or disables the 0.58% long-term care tax.
WA PFML Exempt: A toggle (“Yes” or “No”) that enables or disables the Paid Family and Medical Leave premium deduction.

How the Washington Paycheck Calculator Works

The calculation executes in the following sequence based on the doCalculation function in the code:

1. Annualization and Hourly Derivation The calculator first annualizes the “Gross Pay Amount” by multiplying it by the “Pay Frequency.” It calculates an effective hourly rate by dividing the gross pay per period by the “Hours Worked” input.

2. Pre-Tax Deductions and Taxable Base The 401(k) contribution is calculated as the Gross Pay multiplied by the user-defined percentage. This amount is subtracted from the Gross Pay to establish the Annual Taxable Federal Income.

3. Federal Tax Calculation The calculator applies projected 2025/2026 federal tax brackets to the determined taxable income (Annual Taxable Income minus the Federal Standard Deduction). The Standard Deductions used are $15,000 for Single, $30,000 for Married, and $22,500 for Head of Household. The resulting annual tax is divided by the Pay Frequency to determine the period withholding.

4. FICA Tax Calculation

Social Security: Calculated at 6.2% of gross pay. The code enforces a wage base cap of $176,100; earnings above this limit are not taxed.
Medicare: Calculated at 1.45% of gross pay. If annualized earnings exceed $200,000, an Additional Medicare Tax of 0.9% is applied to the excess.

5. Washington State Specific Deductions

WA Cares Fund: Unless “Exempt” is selected, the calculator applies a 0.58% tax rate (0.0058) to the total gross pay without a wage cap.
WA PFML: Unless “Exempt” is selected, the calculator computes the premium based on gross wages capped at $176,100. The total premium rate is 0.74%, and the employee pays 71.52% of that premium. The formula is: (Capped Wages * 0.0074 * 0.7152).
L&I (Worker’s Comp): This is calculated based on hours, not gross pay. The formula is: Hours Worked * Risk Class Rate (e.g., $0.06/hr for Office).

6. Net Pay and Sick Leave Accrual The Net Pay is derived by subtracting all calculated taxes (Federal, Social Security, Medicare, WA Cares, WA PFML) and deductions (L&I, 401k) from the Gross Pay. Additionally, the calculator estimates Paid Sick Leave accrual by dividing “Hours Worked” by 40, reflecting the state accrual rate of 1 hour per 40 hours worked.

7. Compliance Checks The code compares the derived effective hourly rate against the minimum wage associated with the selected “Work Location.” It also checks if the annualized salary meets the exempt overtime threshold (calculated as Minimum Wage × 40 hours × 2.0 or 2.5 depending on location).

Results and Metrics Explained

Net Pay: The final monetary value paid to the employee per period after all statutory taxes and voluntary deductions.
Total Tax: The sum of Federal Income Tax, Social Security, Medicare, WA Cares, WA PFML, and L&I deductions.
Effective Rate: The percentage of Gross Pay that is withheld for taxes and deductions.
WA Cares Fund: The specific deduction for Washington’s long-term care insurance program.
WA PFML: The employee’s portion of the premium for Washington’s Paid Family and Medical Leave program.
L&I Worker’s Comp: The estimated employee deduction for Labor and Industries insurance, based on risk class and hours worked.
Sick Leave Accrued: The number of paid sick leave hours earned during the pay period based on the input hours.
WA Cares Projection: A calculated value showing the total contribution to the WA Cares Fund over a 10-year period based on current earnings.
Min Wage Alert: A status indicator that activates if the calculated hourly rate falls below the specific minimum wage for the selected location (State, Seattle, or SeaTac).

Interpreting the Calculation Output

L&I Variance: Because L&I is calculated on hours worked rather than a percentage of gross pay, two employees with the same salary but different risk classes (e.g., Office vs. Construction) will see different Net Pay results. A Construction worker working 80 hours will see a significantly higher L&I deduction ($111.20) compared to an Office worker ($4.80).
WA Cares Impact: The “10-Year Contribution” metric allows users to compare their total projected payment against the lifetime benefit cap of $36,500. If the projection exceeds the cap, the output indicates the contribution exceeds the fixed benefit.
Compliance Warnings: If the “Min Wage Alert” or “OT Eligible” warnings appear, it indicates the input parameters result in a wage that is statistically below the legal thresholds programmed for the selected jurisdiction.
Exemption Effects: Toggling “Yes” on WA Cares or WA PFML sets those specific deduction line items to $0.00, increasing the Net Pay accordingly.

Assumptions and Calculation Limits

The calculator operates under the following programmed constants and constraints:

Federal Tax Year: Brackets and standard deductions are based on 2025/2026 projections (e.g., Single Standard Deduction $15,000).
Social Security Cap: The wage base limit is set to $176,100.
WA PFML Rates: The total premium rate is fixed at 0.74%, with the employee share fixed at 71.52%. The wage cap for PFML is set to $176,100.
WA Cares Rate: Fixed at 0.58% of gross wages with no income cap.
L&I Rates: Fixed estimates are used: Office ($0.06/hr), Retail ($0.20/hr), and Construction ($1.39/hr). Actual rates vary by specific classification codes.
Minimum Wage Constants: State ($17.49), Seattle ($21.80), and SeaTac ($20.70).
State Income Tax: Washington State does not have a personal income tax; therefore, the calculator sets state income tax withholding to zero.

Estimation Disclaimer

The results generated by the Washington Paycheck Calculator are estimates derived from the inputs provided and the specific mathematical formulas programmed in the tool. Actual paychecks may differ due to variations in employer payroll software, specific L&I risk classification codes, exact benefit plan deductions, or changes in tax regulations not reflected in the code’s static constants.

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