Finance Calculators

Payroll Calculator

Calculate accurate net pay from gross salary with comprehensive federal and state tax withholdings, Social Security, Medicare, and benefit deductions. Features detailed take-home pay calculations, tax withholding breakdowns, year-to-date projections, and pay stub summaries. Essential for employers, HR professionals, accountants, and employees verifying paycheck accuracy and understanding deductions.

How to Use the Payroll Calculator

Use the Payroll Calculator to accurate net pay from gross salary with comprehensive federal and state tax withholdings, Social Security, Medicare, and benefit deductions. Features detailed take-home pay calculations, tax withholding breakdowns, year-to-date projections, and pay stub summaries. Essential for employers, HR professionals, accountants, and employees verifying paycheck accuracy and understanding deductions.. Enter your values to get accurate, instant results tailored to your situation.

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Common Uses

• Calculate payroll accurately and instantly
• Calculate calculate accurately and instantly
• Calculate gross accurately and instantly
• Calculate business accurately and instantly

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Payroll Guide

Tax & compliance

Expert Tips

• Federal Withholding Based on W-4: Employee W-4 determines federal tax withholding. Single filer, no dependents: Higher withholding. Married, 2 kids: Lower withholding. IRS Publication 15 has withholding tables. Use payroll software (Gusto $40/mo, ADP, Paychex) to calculate—manual errors trigger penalties.
• FICA Tax: 15.3% Split Employee/Employer: Social Security: 6.2% employee + 6.2% employer = 12.4% (capped at $160K wages). Medicare: 1.45% employee + 1.45% employer = 2.9% (no cap). Additional Medicare: 0.9% employee on wages >$200K. $80K salary: Employee pays $6,120, employer pays $6,120 FICA.
• Payroll Tax Deposit Deadlines Strict: Semi-weekly: Deposits due Wed for Sat-Tue paydays, Fri for Wed-Fri paydays. Monthly: 15th of next month if <$50K annual tax. Quarterly: Small businesses <$1K quarterly. Miss deadline: 2-15% penalty. File 941 quarterly, W-2s annually by Jan 31. Use payroll service to avoid penalties.
• Contractor vs Employee Classification Critical: Misclassify employee as contractor: Face back taxes, penalties, lawsuits. IRS tests: Behavioral control (set hours?), financial control (tools, expenses?), relationship (ongoing, benefits?). Contractors: More autonomy, own tools, project-based. Employees: Set schedule, company tools, ongoing. When unsure, classify as employee (safer).
• Payroll Service Costs $40-150/Month + Per Employee: Gusto: $40/mo + $6/employee. ADP: $100-150/mo + $5-10/employee. Paychex: Similar. DIY saves money but risky (errors, penalties, time). 5 employees: $70-200/mo ($840-2,400/year). Worth it: Handles taxes, filings, compliance, direct deposit. Focus on business, not payroll admin.

Essential Fundamentals — Payroll basics

Payroll Taxes

• Federal Income Tax Withholding: Based on W-4 filing status, dependents, additional withholding. Single filer, $60K salary: ~10-12% effective rate ($500-600/month withheld). IRS Publication 15 has tables. Adjust via W-4 if under/over-withheld. Employer deposits this to IRS on employee's behalf.
• FICA Taxes (Social Security + Medicare): Employee: 6.2% Social Security (capped $160K) + 1.45% Medicare (uncapped) = 7.65%. Employer: Matches 7.65%. $80K salary → employee $6,120, employer $6,120. High earners (>$200K): Additional 0.9% Medicare employee-only. Total FICA: 15.3% combined.
• State & Local Taxes: State income tax: 0% (TX, FL, WA, NV) to 13.3% (CA). State unemployment (SUTA): 0.5-5.4% employer-paid on first $7K-45K. Local taxes: Some cities (NYC 3-4%, Philly 3.9%). Disability insurance: CA, NJ, NY, others. Research state-specific requirements.

Advanced Strategies — Compliance & efficiency

Process Optimization

• Payroll Service Investment: Use professional payroll services to automate tax calculations, filings, and compliance. Small upfront cost prevents costly penalties from manual errors. Focus time on business growth rather than payroll administration.
• Worker Classification: Properly classify workers as employees versus contractors. Misclassification triggers back taxes and penalties. When uncertain, default to employee status for safety. Consider IRS behavioral and financial control tests.
• Deadline Management: Set up automated reminders for deposit deadlines and quarterly filings. Missing deadlines results in significant penalties. Maintain cushion in accounts for tax deposits to avoid cash flow issues.

Frequently Asked Questions

What is the difference between gross pay and net pay?

Gross pay = total earnings before deductions. Net pay = take-home after taxes and deductions. Example: Gross pay: $5,000/month. Deductions: Federal tax: $1,034 (22%). State tax: $235 (5%). Social Security: $310 (6.2%). Medicare: $72.50 (1.45%). 401(k): $300 (6%). Health insurance: $200. Total deductions: $2,151.50 (43%). Net pay: $5,000 - $2,151.50 = $2,848.50 (57% take-home). Average take-home: 60-75% of gross (varies by tax bracket, state, deductions). High earners (37% federal): 50-60% take-home. Low earners (10% federal): 70-80% take-home. No state tax (TX, FL, WA): 5-13% higher take-home.

How much should I contribute to my 401(k)?

Recommended 401(k) contribution: Minimum: Employer match (typically 3-6%). Free money (50-100% instant return). If $5K salary, 6% match = $300 employer contribution = $600 total. Good: 10-15% total savings (your contribution + employer match). Example: $5K salary × 10% = $500/month = $6K/year (by age 30, likely $100K+ by 65). Ideal: 15-20% total savings (aggressive retirement plan). Example: $5K salary × 15% = $750/month = $9K/year (millionaire by 65 if starting at 25). Max: IRS limit $24,500/year (2026), $32,500 if 50+, $35,750 if ages 60-63. Tax savings: Pre-tax 401(k) reduces taxable income. $300 contribution @ 22% tax rate = $66 tax savings. Effective cost: $300 - $66 = $234 (like employer paying $66 of your $300). Compound growth: $500/month × 30 years @ 8% return = $745,000. $750/month × 30 years @ 8% return = $1.1M. Age-based guidelines: 20s: 10-15% (build foundation). 30s: 15-20% (compound growth). 40s: 20-25% (catch-up time). 50s-60s: 25-30% + catch-up ($8,000 extra if 50+, $11,250 if 60-63).

What is FICA and why is it deducted from my paycheck?

FICA = Federal Insurance Contributions Act (Social Security + Medicare). Social Security: 6.2% of gross pay (up to $184,500 wage base 2026). Funds retirement benefits (age 62-67). Example: $5,000 × 6.2% = $310/month = $3,720/year. Medicare: 1.45% of all gross pay (no wage limit). Funds healthcare for 65+ retirees. Example: $5,000 × 1.45% = $72.50/month = $870/year. Additional Medicare: 0.9% on income >$200K single ($250K married). High earners pay 1.45% + 0.9% = 2.35% total. Total FICA: 7.65% for most workers (6.2% SS + 1.45% Medicare). $5,000 salary = $382.50 FICA = $4,590/year. Employer match: Employer pays matching 7.65% (you don't see this). Total: 15.3% to government (7.65% visible + 7.65% hidden employer). Self-employed: Pay both halves = 15.3% (14.13% after deduction). $5,000 self-employment income = $765 FICA. Benefits: Social Security: Average $1,950/month at age 67 (varies by earnings history). Medicare: Healthcare coverage at 65+ (Part A free, Part B $202.90/month 2026). Bottom line: FICA = mandatory retirement and healthcare savings. You pay 7.65%, employer pays 7.65% = 15.3% total to fund benefits.