Calculators and tools

ADP offers a set of helpful calculators and tools to engage your workforce and help them with important financial decisions.

Payroll calculators

Payroll calculator tools to help with personal salary, retirement, and investment calculations.

  • Salary Paycheck Calculator
    How much are your wages after taxes? This powerful tool does all the gross-to-net calculations to estimate take-home (net) pay in any part of the United States.
  • Hourly Paycheck Calculator
    Enter up to six different hourly rates to estimate after-tax wages for hourly employees.
  • Gross Pay Calculator
    Plug in the amount of money you'd like to take home each pay period and this calculator will tell you what your before-tax earnings need to be.

Paycard savings calculator

Calculator to determine cost savings realized from a paycard program.

Retirement calculators and tools

Inform your decisions, explore your options and find ways to get the most from your 401(k)

  • 401(k) Contribution Calculator
    Contributing to your workplace 401(k) is one of the best investment decisions you can make. You’ll be taking advantage of dollar-cost averaging, tax-deferred growth, and a possible company match. See what happens when you increase your contributions.
  • Personal Investor Profile
    Download this questionnaire which helps to determine your investor profile. Questions about lifestyle, personality, risk tolerance, when you want to retire, and other financial considerations are helpful in charting a plan and making decisions.

Health & benefits calculators

Inform your decisions, explore your options and find ways to get the most out of your insurance investments.

  • Premium Only Plan (POP) Tax Savings Calculator
    Estimate how much you and your employees could save by using a POP (also known as a section 125 cafeteria plan) to pay group health premiums using pre-taxed dollars.
  • ACA Penalty Estimator
    Affordable Care Act (ACA) penalties can be significant and may be triggered by several actions or inactions on employers’ part. Be proactive in reviewing your potential ACA penalties and download a report on how to manage your risk.

Payroll calculators by state