Disclaimer

MyCalculatorLab provides free calculators for general information and estimation only. Every calculator page shows the formula or method it uses and explains its assumptions, so you can check a result yourself. Results are estimates based on the values you enter. They are not professional advice, and using this site does not create a professional relationship of any kind.

Health calculators

The A1C, Period and Bench Press calculators give estimates for general information. An A1C conversion does not replace a laboratory blood test, a cycle prediction does not replace medical assessment, and a one-rep-max estimate does not replace supervised testing. Do not start, stop or change medication, treatment or a training programme based only on these tools. Consult a qualified healthcare or fitness professional for advice about your own situation.

Financial and tax calculators

The CPM, Cap Rate and Self-Employment Tax calculators are planning and education tools. Advertising prices, property yields, tax rates, deductions and thresholds change over time and vary by place and by your circumstances. Nothing on this site is tax, accounting, investment or legal advice. Confirm figures with a qualified professional before filing taxes, signing a contract or making an investment decision.

Other calculators

The Snow Day Calculator uses a heuristic scoring model described on its page; its result is an informal estimate, not a weather forecast or an official closure decision. Board Feet results depend on whether dimensions are nominal or actual, as explained on that page. Age and Square Footage results depend on the dates and measurements you enter.

Accuracy and corrections

We work to keep formulas correct and name the outside sources a page relies on. Figures taken from sources such as the IRS, the Social Security Administration or the ADA change over time; check the source for the current version. If you find a wrong result, please report it through the Contact page with the calculator name and the values you entered, and we will re-check and correct it.

By using MyCalculatorLab you accept that results are provided “as is” for informational purposes, as set out in our Terms of Use. See also our Privacy Policy for how your inputs are handled.