Free • No signup • Instant results

Free work hours
calculators, built for
instant answers

Calculate work hours, overtime pay, decimal hours, and payroll-ready time conversions with fast, free tools built for real workdays.

Calculate Hours WorkedBrowse all calculators
  • No signup
  • Instant calculation
  • Works on mobile
  • Human + decimal time
Try it yourself with your own hours
Calculators

What do you need to calculate?

Choose a tool and get an answer immediately.

Most used

Calculate Hours Worked

Add clock-in, clock-out, and break times. Get daily and weekly totals instantly.

Open calculator

Overtime Calculator

Calculate time-and-a-half, double-time, or custom overtime earnings.

Calculate overtime

Hours to Decimal

Convert hours and minutes into decimal hours.

Convert hours

Decimal Hours Calculator

Convert between hours/minutes and decimal time, in either direction.

Convert decimal hours

Minutes to Decimal

Convert minutes into decimal hours, with the complete conversion chart.

Convert minutes
How it works

From clock punches to payroll-ready hours

See how a single shift turns into a result in three steps.

1

Enter your time

8:15 AM → 5:00 PM

2

Subtract breaks

− 30 minutes

3

Get your result

8h 15m

8.25 decimal hours

Find your tool

Find the right calculator

Match what you already have to the tool that uses it.

I have clock-in and clock-out timesCalculate Hours WorkedI need to calculate overtime earningsOvertime CalculatorI have hours + minutes and need a decimalHours to DecimalI need to convert decimal time both waysDecimal Hours CalculatorI only have a number of minutesMinutes to Decimal

Common work-time conversions

15 min0.25 hr
30 min0.50 hr
45 min0.75 hr
8h 30m8.50 hr

Need another value?

Hours to decimal →Minutes conversion chart →Decimal hours converter →
Why WorkHoursTools

Less time doing time math.

Work-time math is simple until breaks, overnight shifts, overtime, and decimal payroll hours get involved. These tools handle the repetitive arithmetic while keeping the result easy to verify.

Instant answers

No account, onboarding flow, or spreadsheet setup. Enter your numbers and get the result immediately.

Payroll-friendly formats

See human-readable time and decimal hours side by side when the calculation calls for both.

Results you can verify

We show the formula or calculation behind the result instead of giving you an unexplained number.

Built for real workdays

Handle breaks, overnight shifts, hours and minutes, decimal time, and overtime calculations without doing the arithmetic manually.

No signup required

The free calculators work without creating an account, entering an email address, or sitting through a setup flow.

Fast on any device

Use the calculators from a phone at the end of a shift or from a desktop while preparing timesheets.

Have clock-in and clock-out times?

Turn them into total worked hours in seconds.

Calculate Hours WorkedExplore all calculators