CalculateHours.net is a free collection of time and date calculators. No sign-up, no clutter, no tracking — just precision tools that work.
Calculator sites haven't really evolved since 2008. The tools that rank on Google are functional but visually unloved — banner ads, cluttered sidebars, slow page loads, and design that hasn't been updated in fifteen years.
We thought time calculators deserved better. The people using these tools aren't doing it for fun — they're verifying their paycheck, billing a client, planning a project, or scheduling a flight. They deserve fast, accurate, beautiful tools.
Every calculation runs in your browser. Nothing is sent to a server. Nothing is stored. Nothing is tracked. Payroll and personal data should never live on someone else's computer.
We don't charge for any calculator and never will. The site is supported by careful, unobtrusive sponsorships from time-tracking software companies who share our values.
Where laws or rules vary by jurisdiction, we tell you. Where the calculator can't model your exact situation, we say so and point you to a better tool. We'd rather under-promise than mislead.
Found a bug? Have a feature request? Want to suggest a new calculator? Email us at contactus@calculatehours.net — we read every message.