Free · private · no signup

Time tools that get you to the answer faster.

Calculate work hours, shifts, time cards, lunch breaks, overtime, PTO accrual, biweekly pay, salary conversions, decimal time, and date math without signup.

PPrivate calculations0No account requiredInstant resultsMMobile friendly
Core utilities

Choose what you need to calculate

Each tool solves a distinct job instead of sending you through a maze of nearly identical pages.

Useful first. Everything else second.

The core math runs locally and the interface stays focused on the calculation.

Browser-localCore calculations
ResponsiveDesktop to phone
ConnectedOne focused tool family

Built around real tasks

Work Hours Hub is a connected family of time, work, payroll-time, and deadline utilities. We build separate pages when the task itself is different, not merely because another keyword exists.

Fast by design

The site avoids unnecessary runtime dependencies, keeps the calculator interface immediately available, and uses browser-side calculations for the core tools so common interactions do not wait on a server round trip.

Connected workflows

Start with the calculator that matches the job.

A payroll question, a clock-time question, and a deadline question may all involve numbers, but they need different inputs. These paths keep the handoff between tools obvious.

From salary to an hourly comparison

Use the Salary to Hourly Calculator with the hours and paid weeks that match the schedule. Use Work Hours first when you need to establish the weekly-hours assumption.

Work, pay & leave workflows

Follow the numbers from a shift to a paycheck or PTO balance.

Paid time off

Use the PTO Accrual Calculator to estimate earned leave from a pay-period allowance or hours-worked accrual rate.

How the site earns trust

Clear formulas, visible assumptions, and real limitations.

Work Hours Hub is built as a utility site first. The calculators expose the settings that materially change the answer, document the math behind the result, and avoid pretending that one payroll rule or holiday calendar applies to everyone.

Calculation methodology

See the formulas for overnight time, break subtraction, rounding, decimal hours, overtime, double-time, and business-day counting.

Read how calculations work

Tested for accuracy

Each calculator goes through repeatable checks for its formulas and important edge cases before updates are published.

See how accuracy is checked

About Work Hours Hub

Learn what the site covers, what stays in your browser, how diagnostics are minimized, and where the tools intentionally stop making assumptions.

About the site