Expert-written guides and deep dives on payroll, employment tax, end-of-service benefits, cross-border taxation, and financial planning — updated for 2026.
Complete guide to the California DE 4 Employee's Withholding Allowance Certificate for 2026. Covers updated low-income exemption thresholds, standard deductions, step-by-step worksheets, and special rules for remote workers and military spouses.
Calculate your optimal DE 4 withholding allowances
Complete guide to California overtime laws: daily 8-hour vs weekly 40-hour rules, mixed wage rate calculations, weighted average method, exemptions, and more.
Estimate your overtime pay with the California Hourly Paycheck Calculator
California law requires PTO payout at termination. Learn how to calculate vacation accrual, final paycheck deadlines, waiting time penalties, and what to do if your employer refuses to pay.
Compute your unpaid PTO with the California Final Paycheck & PTO Calculator
Master California's 110% safe harbor: 30/40/0/30 schedule, AGI thresholds, $1M exception, $500 de minimis rule, and worked examples to avoid FTB penalties.
Check your penalty risk with the California FTB Underpayment Penalty Calculator
Exactly how to calculate your California waiting time penalty — daily rate formulas for salaried, hourly, commissioned, and variable-pay employees, with 5 worked examples and a step-by-step claim guide.
Calculate your penalty with the California Waiting Time Penalty Calculator
California withholds 10.23% on bonuses and stock options. Step-by-step calculations, real-world examples, RSU rules, nonresident guidance, and employer compliance requirements.
Calculate your bonus take-home with the California Bonus Tax Calculator
Mid-year job changers may be owed a California SDI tax refund—but only for years before 2024. Learn how to calculate excess CASDI withholding and claim your credit on Form 540.
Estimate your refund with the California SDI Overpayment Refund Calculator
California wage garnishment laws explained with a step-by-step disposable earnings formula. Learn how much of your paycheck can be garnished and how to protect your income in 2026.
Calculate how much can be taken with the California Wage Garnishment Calculator
W-2 employees paying Ohio municipal tax via RITA FastPay must select Individual Income Tax (SSN), not Employer Withholding. Wrong selection triggers misdirected payments and penalties under ORC §718.27.
Calculate your RITA tax with the Ohio RITA Tax Calculator