Work Smarter.
Calculate Faster.
Free calculators for work hours, shifts, overtime, breaks, pay and salary. Fast, simple and built for everyday work.
Start with the tools people use most
Quickly calculate working time, overtime and shift earnings.
Work Hours Calculator
Add clock-in and clock-out periods, subtract unpaid breaks and calculate your total hours worked.
Overtime Calculator
Separate regular and overtime hours and estimate total pay.
Shift Pay Calculator
Calculate paid hours, shift premiums, bonuses and total earnings.
Choose the calculation you need
Browse ShiftCalco calculators by hours, shifts, breaks and earnings.
Hours & Time
Calculate daily and weekly working time.
8 Hour Workday Calculator
Check whether your workday adds up to exactly eight hours.
Open Calculator8:30 to 5: How Many Hours Calculator
Find out how many hours fall between 8:30 AM and 5:00 PM.
Open Calculator9-day fortnight calculator
Add up working hours across a nine-day fortnight roster.
Open CalculatorCompressed Work Week Hours Calculator
Total your hours on a compressed four-day work week.
Open CalculatorRDO Accumulator Calculator
Track rostered days off building up from your worked hours.
Open CalculatorWork Hours Calculator
Add multiple clock-in and clock-out periods and calculate total hours worked.
Open CalculatorShift Hours Calculator
Calculate total shift duration, working hours, paid hours and breaks.
Open CalculatorWeekly Hours Calculator
Add Monday-to-Sunday shifts and calculate your total weekly hours.
Open CalculatorShifts & Breaks
Handle overnight work, breaks and shift timing.
Split Shift Pay Calculator
Calculate pay for split shifts with time off in between.
Open CalculatorNight Shift Calculator
Calculate night shift hours, paid hours and estimated shift pay.
Open CalculatorOvernight Shift Calculator
Calculate shifts across midnight with multiple paid and unpaid breaks.
Open CalculatorShift Calculator With Break
Deduct break time from your shift and calculate actual working hours.
Open CalculatorBreak Time Calculator
Calculate break duration or find the exact time you should return to work.
Open CalculatorPay & Earnings
Estimate shift pay, overtime and annual income.
4 Day Work Week Salary Prorate Calculator
Prorate an annual salary for a four-day work week.
Open CalculatorDaily Rate to Annual Salary Calculator
Convert a daily rate into estimated annual salary.
Open CalculatorShift Payroll Calculator
Estimate total payroll from employee shift hours.
Open CalculatorOvertime Calculator
Calculate regular hours, overtime hours, overtime rate and estimated pay.
Open CalculatorShift Pay Calculator
Estimate earnings from hourly pay, premiums, bonuses and unpaid breaks.
Open CalculatorHourly to Salary Calculator
Convert hourly wages into weekly, monthly and annual salary estimates.
Open CalculatorEverything you need to calculate your workday.
From a simple eight-hour shift to overnight work, multiple breaks, overtime and salary conversions, ShiftCalco keeps your calculations fast and straightforward.
Quick calculations Get results instantly without spreadsheets.
Flexible schedules Handle breaks, overnight work and different shift patterns.
Simple on every device Use ShiftCalco on desktop, tablet or mobile.
Simple tools without unnecessary complexity
Instant Results
Enter your information and see calculations immediately.
No Registration
Use every calculator without creating an account.
Made for Shift Work
Calculate breaks, night work, overnight shifts and weekly schedules.
Mobile Friendly
Calculate working hours and pay from any device.
Free calculators for everyday work calculations
ShiftCalco provides free online calculators for employees, shift workers, managers and anyone who needs a quick way to calculate work hours, shift duration, breaks or estimated earnings.
Instead of manually calculating time differences, overnight shifts or decimal work hours, you can choose the calculator that matches your situation and enter your own schedule.
Calculate work and shift hours
Use the Work Hours Calculator for multiple clock-in and clock-out periods, or the Shift Hours Calculator for a single shift with breaks.
For weekly schedules, the Weekly Hours Calculator lets you enter work times from Monday through Sunday.
Calculate pay and earnings
Estimate individual shift earnings with the Shift Pay Calculator, or separate regular and overtime earnings with the Overtime Calculator.
You can also use the Hourly to Salary Calculator to convert an hourly rate into estimated weekly, monthly and annual income.
Calculate nights and breaks
For schedules that cross midnight, use the Night Shift Calculator or Overnight Shift Calculator.
You can also calculate break duration and return time with the Break Time Calculator.
Frequently asked questions
ShiftCalco is a collection of free online calculators designed to help calculate work hours, shift duration, breaks, overtime, shift pay and salary estimates.
Yes. ShiftCalco calculators are free to use and do not require registration.
Yes. ShiftCalco includes calculators designed specifically for night and overnight shifts that cross midnight.
Yes. Several ShiftCalco tools allow you to subtract unpaid breaks from a shift or work period. The Break Time Calculator can also calculate the duration of a break or your return time.
No. Pay and salary calculations are estimates based on the values you enter. Actual payroll can differ because of taxes, deductions, employment rules, bonuses, overtime policies and other adjustments.