USA 2026 utility calculators

Fast US calculators for tax, pay, dates, school and daily conversions

Use lightweight client-side tools for common US search needs. No account, no backend, and no data leaves the browser for these calculations.

US Sales Tax Calculator by State

Calculate estimated USA 2026 sales tax by state, with an optional local tax field for city or county rates.

Estimate USA 2026 take-home pay from annual salary, pay frequency, federal tax, FICA and optional state withholding.

Count USA 2026 business days between two dates, excluding weekends and 2026 US federal holidays.

Calculate USA 2026 restaurant tips, total bill and split per person with common US tipping percentages.

Calculate BMI using US feet, inches and pounds for USA 2026 with standard adult BMI categories.

Calculate a USA 2026 grade point average on a 4.0 scale using course credits and letter grades.

Convert common USA 2026 imperial and metric units for length, weight, temperature, volume and speed.

Read the overview for when to use each calculator and what the 2026 assumptions mean.

Are these USA 2026 calculators free?

Yes. The tools are free, browser-based and do not require an account.

Do the calculators send my inputs to a server?

No. The calculation logic runs client-side in the browser.

Can I use these tools for official tax or payroll filing?

No. They are planning estimates. Check official federal, state, employer or school sources for final decisions.

Which US tools are included?

The site includes sales tax, paycheck, business days, tip, BMI, GPA and unit conversion calculators.