Hours Calculator

Use the "Add Multiple Time Entries" section to input all your daily work periods, then click "Calculate Total Hours" to get both standard time format and decimal hours. For example, if you work 8:30 (8 hours 30 minutes) on Monday, 7:45 on Tuesday, and 9:15 on Wednesday, the calculator totals 25:30 which equals 25.5 decimal hours. This decimal format is what most payroll systems require for calculating wages. Simply multiply your decimal hours by your hourly rate (25.5 × $20 = $510). For weekly employee hour tracking with automatic break deductions, try our employee hours calculator.

Use the "Hours to Decimal Converter" section by entering time in hours:minutes format (like 8:30) and clicking "Convert to Decimal." The formula is simple: divide minutes by 60 and add to hours. For example, 8 hours 30 minutes becomes 8.5 decimal hours because 30 ÷ 60 = 0.5, and 8 + 0.5 = 8.5. Similarly, 7:45 becomes 7.75 (45 ÷ 60 = 0.75). This conversion is essential for timesheets, invoicing, and payroll calculations where decimal format simplifies multiplication and addition.

0.75 hours equals 45 minutes. To convert decimal hours back to minutes, multiply the decimal by 60. For instance, 0.75 × 60 = 45 minutes. Use our "Decimal to Hours Converter" to do this automatically - just enter 0.75 and click convert to see it displayed as 0:45 (zero hours, 45 minutes). Other common conversions include 0.25 hours = 15 minutes, 0.5 hours = 30 minutes, and 1.5 hours = 1:30 (1 hour 30 minutes). Understanding these conversions helps when reviewing timesheets or calculating overtime hours.

Use the "Calculate Hours Between Times" section to find shift duration. Enter your clock-in time (like 9:00 AM) and clock-out time (like 5:30 PM), then click "Calculate Duration." For example, a shift from 09:00 to 17:30 shows 8:30 (8 hours 30 minutes) or 8.5 decimal hours. If you work overnight shifts that cross midnight (like 11:00 PM to 7:00 AM), check the "End time is next day" box to get the correct 8-hour calculation. This feature is perfect for creating accurate time calculations for irregular schedules.

Hours:minutes format (like 8:30) shows time as we naturally read clocks, where 8:30 means 8 hours and 30 minutes. Decimal format (like 8.5) converts everything to a single decimal number where 0.5 represents half an hour (30 minutes). For example, 7:45 in hours:minutes equals 7.75 in decimal. Decimal format is preferred for payroll calculations (multiplying hours by pay rate), billing clients, and adding up time totals because standard arithmetic works directly. Hours:minutes format is better for understanding shift lengths and scheduling. Our calculator shows both formats simultaneously for maximum flexibility.

Absolutely! This calculator is designed specifically for timesheet and billing purposes. Add all your work sessions for a pay period, and the calculator provides total hours in both formats - use the time format for record-keeping and the decimal format for invoicing. For instance, if you worked three sessions of 4:30, 5:15, and 6:00, the total is 15:45 or 15.75 decimal hours. Multiply 15.75 by your hourly rate for accurate billing. For more advanced tracking with daily breakdowns and break time deductions, use our employee hours calculator.

There's no practical limit - you can add as many time entries as needed by clicking "Add Another Entry" repeatedly. Whether you're totaling hours for a week, month, or entire project, the calculator handles it. For example, you can add 20+ daily work periods to calculate a month's total hours. The calculator automatically converts minutes to hours when they exceed 60, so adding 40:30, 38:45, and 42:15 correctly totals 121:30 or 121.5 decimal hours. This makes it ideal for freelancers tracking billable hours, project managers monitoring team time, or anyone needing accurate cumulative time calculations.

Common issues include entering minutes greater than 59 or using decimal format in the hours:minutes field. Remember, 90 minutes should be entered as 1:30 (1 hour 30 minutes), not 1:90. Also ensure you're using the colon (:) separator between hours and minutes (8:30, not 8.30). If calculating time between periods, verify you've selected the correct start and end times. For overnight shifts, make sure the "End time is next day" checkbox is marked. The calculator follows strict time arithmetic rules where minutes always max at 59 before rolling to the next hour.

For comprehensive weekly tracking with daily breakdowns, use our dedicated employee hours calculator which provides separate inputs for each day of the week plus automatic break deductions. However, this hours calculator works great for weekly totals too - simply add each day's hours (like 8:00 + 8:30 + 7:45 + 8:15 + 9:00) and get your weekly total instantly. The decimal format output makes it easy to calculate weekly pay by multiplying by your hourly rate. Keep a copy of your weekly totals for personal records and verification against official timesheets.

This calculator doesn't automatically deduct breaks, so you have two options: calculate your work time minus breaks separately using the time calculator, or track only actual working hours. For example, if you work 9:00 AM to 5:30 PM with a 30-minute lunch, that's 8:30 total time minus 0:30 break = 8:00 actual work hours. Enter 8:00 in this calculator. Alternatively, for automatic break deductions with a weekly view, use our employee hours calculator which has a dedicated break field for each day and handles the subtraction automatically.