Accurately forecasting your take‑home pay is essential—whether you’re a Colorado employee budgeting for expenses or an employer planning payroll. The ADP Colorado Paycheck Calculator uses ADP-level accuracy to help Colorado workers estimate net pay after federal tax, Colorado’s flat state tax, FICA contributions, and optional deductions based on the latest tax rules.
ADP CO Paycheck Calculator
🧮 What Is the ADP Colorado Paycheck Calculator?
This tool provides an instant, tailored view of what your net paycheck will look like in Colorado. It factors in:
- Gross income (hourly or salary)
- Pay frequency (weekly, biweekly, monthly, etc.)
- Filing status (Single, Married, Head of Household)
- Federal withholding (using current W‑4 guidance)
- Colorado state income tax (flat withhold at 4.40%)
- FICA: Social Security (6.2%) and Medicare (1.45% + 0.9% for high earners)
- Pre‑ and post‑tax deductions (retirement, health plans, etc.)
📌 Colorado Tax Highlights
- Flat state income tax of 4.40% on taxable income paycheckcity.com+10smartasset.com+10mypaycalculator.net+10adp.com+3mypaycalculator.net+3onpay.com+3adp.comkiplinger.com+1adp.com+1smartasset.com
- Local taxes (e.g., Denver, Aurora) may add small fixed withholdings smartasset.com
- Colorado exempts Social Security income for retirees aged 65+ kiplinger.com
🔧 How to Use the ADP Colorado Paycheck Calculator
- Enter gross income (annual salary or hourly rate × hours)
- Select pay frequency (weekly, biweekly, semimonthly, monthly)
- Choose filing status and number of dependents
- Include extra withholding, if desired
- Add pre-tax deductions (401(k), HSA, health insurance)
- Click “Calculate” to display gross pay, all deductions, and final net pay
🧾 Key Formulas Used (Plain Text)
- Federal Income Tax—based on IRS tax brackets
- Colorado State Tax: Gross Pay × 4.40%
- Social Security: Gross Pay × 6.20% (up to limit)
- Medicare: Gross Pay × 1.45% (+0.9% for income >$200K)
- Net Pay = Gross Pay − (Federal + State + FICA + Deductions)
🧮 Example Calculations
Example 1 – Monthly Salaried Worker
- Gross Salary: $5,000/month
- Filing: Single, no deductions
Tax breakdown:
- Federal Tax ≈ $650
- State Tax = 5,000 × 4.40% = $220
- Social Security = 5,000 × 6.2% = $310
- Medicare = 5,000 × 1.45% = $72.50
Estimated Net Pay = $5,000 − $1,252.50 ≈ $3,747.50
Example 2 – Biweekly Hourly Worker
- Rate: $25/hr, 80 hrs biweekly = $2,000 gross
- 5% into 401(k) = $100
Tax breakdown:
- Adjusted Gross = $1,900
- Federal Tax ≈ $190
- State Tax = 1,900 × 4.40% = $83.60
- Social Security = $117.80
- Medicare = $27.55
Net Pay ≈ $1,900 − $418.95 = $1,481.05
🎯 Why Use This Calculator?
- ✅ Precision based on ADP’s payroll formulas
- ✅ Colorado-specialized—flat income tax, local withholdings
- ✅ Interactive—includes deductions, filing status, pay frequency
- ✅ Realistic—factors in FICA and additional Medicare for high-income earners
- ✅ Ideal for budgeting—know exactly what lands in your account
📑 Bonus Insights
- Local tax impact: Denver, Aurora, Glendale, Greenwood Village, Sheridan impose small monthly withholdings onpay.com+4mypaycalculator.net+4paycheckcity.com+4kiplinger.com+14smartasset.com+14adp.com+14adp.com+3onpay.com+3adp.com+3onpay.com+2adp.com+2mypaycalculator.net+2en.wikipedia.org+1investopedia.com+1adp.com+5adp.com+5adp.com+5
- FBAR/Multiple states: If you live and work across states, Colorado offers tax credits
- Retiree benefits: Social Security is tax-exempt in state returns if aged 65+ kiplinger.com
- TABOR refunds: Coloradans may receive tax refunds if revenue exceeds caps talent.com+2axios.com+2kiplinger.com+2
💡 Frequently Asked Questions (FAQs)
- What does this calculator estimate?
Net pay after federal, FICA, state, and deductions. - Why is Colorado tax flat?
It uses a single rate (4.40%) regardless of income axios.com+15smartasset.com+15adp.com+15. - Do I need to include deductions?
Yes—pre-tax deductions reduce taxable income. - Are local taxes included?
Not automatically; you can enter estimated municipal withholdings. - How is federal tax determined?
Based on W‑4 input and IRS brackets. - Does the calculator add Medicare surcharge?
Yes, for incomes over $200,000. - What if I work overtime?
Include overtime in gross; calculator handles taxes same. - Is ADP Colorado Paycheck Calculator accurate?
Yes, for estimates—useful for budgeting, not official payroll. - Can employers use it?
Yes, great for modeling payroll scenarios. - Can it estimate annual net pay?
Multiply periodic net pay by pay frequency. - Is Colorado state tax refundable?
Possible via TABOR if surplus collected onpay.com+4gusto.com+4smartasset.com+4smartasset.comadp.compaycheckcity.com+7adp.com+7adp.com+7onpay.com+1paycheckcity.com+1kiplinger.com. - What wage base applies to Social Security?
Up to $176,100 in 2025 adp.com+1onpay.com+1. - How do I get Social Security exemption?
File state return aged 65+ kiplinger.com. - Does calculator handle bonuses?
Yes—enter bonus as part of gross pay. - Are garnishments included?
No—but you can manually subtract them post-calculation. - Is data private?
Yes—information is temporary and secure. - Does calculator reflect 2025 rates?
Yes—updated Colorado state, FICA, IRS brackets. - How often should I recalculate?
After changes in pay, filing status, or deduction levels. - What if I live out of state?
Adjust state tax inputs or enter zero for state deduction. - Does it include Paid Family Leave?
No—Colorado PFML hasn’t launched yet; can be added manually.
✅ Final Thoughts
The ADP Colorado Paycheck Calculator is the ideal tool for getting clear insights into your take-home pay in Colorado. With state-specific accuracy, robust handling of federal and FICA taxes, and flexibility for deductions and filing types, it offers precision comparable to payroll experts. Use it to plan budgets, compare job offers, or understand how each paycheck is calculated—empowering you to make informed financial decisions.