If you process timesheets, track billable hours, or run payroll, you need to convert time to decimal before you can multiply clock hours by an hourly wage. The conversion takes just one formula, dividing the minutes by 60, and gets even faster with our free time to decimal calculator.
This guide from Anchor AI Tools walks you through the method step by step, gives you a printable minutes-to-decimal chart, includes real payroll examples with overtime, and provides a built-in calculator so you can convert time to decimal right here on this page.
Quick answer: To convert time to decimal for payroll, divide the minutes by 60 and add the result to the hours. For example, 7 hours 45 minutes = 7 + (45 ÷ 60) = 7.75 decimal hours.
Multiply by the hourly rate to get gross pay. At $20 an hour, 7.75 decimal hours is $155.00.
Most time clocks and handwritten timesheets record hours and minutes in standard format, such as 8:30, 6:15, or 7:45. But payroll software, accounting spreadsheets, and invoicing systems need decimal hours to compute wages correctly.
Consider this: an employee works 8 hours and 30 minutes at $20 an hour. If you mistakenly enter 8.30 × $20 you get $166, but the correct calculation is 8.50 × $20 = $170.00. That $4 error compounds across every employee, every pay period.
According to the U.S. Department of Labor, employers must keep accurate records of hours worked. Converting clock time to decimal format is the standard method payroll professionals use to meet this requirement and correctly calculate regular pay, overtime wages, labor cost reports, client billable hours, and compliance documentation.
That is the entire process. Every time you convert time to decimal, you only divide the minutes portion by 60. The hours stay unchanged.
Accurate time-to-decimal conversion prevents costly payroll errors across every pay cycle.
Use this calculator to instantly convert time to decimal. Enter the hours and minutes, and copy the result into your payroll system, spreadsheet, or invoice. Add an hourly rate to see gross pay.
⏱️ Time to Decimal Calculator
Enter hours and minutes. The hourly rate is optional. Nothing is uploaded or stored.
For a full weekly timesheet with rounding rules, use the time to decimal calculator, or the hours worked calculator to total a week from clock-in and clock-out times.
This reference covers every minute from 1 to 60. Bookmark this page, print the chart, or tape it next to your time clock for quick lookup when you need to convert time to decimal on the fly.
| Min | Dec | Min | Dec | Min | Dec |
|---|---|---|---|---|---|
| 1 | 0.02 | 21 | 0.35 | 41 | 0.68 |
| 2 | 0.03 | 22 | 0.37 | 42 | 0.70 |
| 3 | 0.05 | 23 | 0.38 | 43 | 0.72 |
| 4 | 0.07 | 24 | 0.40 | 44 | 0.73 |
| 5 | 0.08 | 25 | 0.42 | 45 | 0.75 |
| 6 | 0.10 | 26 | 0.43 | 46 | 0.77 |
| 7 | 0.12 | 27 | 0.45 | 47 | 0.78 |
| 8 | 0.13 | 28 | 0.47 | 48 | 0.80 |
| 9 | 0.15 | 29 | 0.48 | 49 | 0.82 |
| 10 | 0.17 | 30 | 0.50 | 50 | 0.83 |
| 11 | 0.18 | 31 | 0.52 | 51 | 0.85 |
| 12 | 0.20 | 32 | 0.53 | 52 | 0.87 |
| 13 | 0.22 | 33 | 0.55 | 53 | 0.88 |
| 14 | 0.23 | 34 | 0.57 | 54 | 0.90 |
| 15 | 0.25 | 35 | 0.58 | 55 | 0.92 |
| 16 | 0.27 | 36 | 0.60 | 56 | 0.93 |
| 17 | 0.28 | 37 | 0.62 | 57 | 0.95 |
| 18 | 0.30 | 38 | 0.63 | 58 | 0.97 |
| 19 | 0.32 | 39 | 0.65 | 59 | 0.98 |
| 20 | 0.33 | 40 | 0.67 | 60 | 1.00 |
Pro tip: for any minute value, just divide by 60. For instance, 37 minutes ÷ 60 = 0.6167, which rounds to 0.62 decimal hours.
📋 Example 1 · a single shift
Employee clocks in at 8:00 AM and out at 4:45 PM. Rate: $22.00 an hour.
Clock time: 8h 45m. Convert: 45 ÷ 60 = 0.75, giving 8.75 decimal hours.
🗓️ Example 2 · a weekly timesheet
| Day | Clock time | Decimal |
|---|---|---|
| Monday | 8h 15m | 8.25 |
| Tuesday | 7h 45m | 7.75 |
| Wednesday | 8h 30m | 8.50 |
| Thursday | 9h 00m | 9.00 |
| Friday | 6h 50m | 6.83 |
| Total | 40h 20m | 40.33 |
Entering 40.20 instead of 40.33 would underpay by $3.25 every week. Over a year that is $169, from reading the minutes as decimals once per timesheet.
This is where payroll conversions most often go wrong, and it is not a maths problem. It is a question of which overtime rule applies to you.
| Rule | Threshold | Applies |
|---|---|---|
| Federal (FLSA) | Over 40 hours per week | Everywhere in the US |
| Daily overtime | Over 8 hours per day | Some states, including California, Alaska, Nevada and Colorado |
The Fair Labor Standards Act sets a weekly threshold only. It has no daily overtime rule. A 9-hour day followed by a 31-hour week triggers no federal overtime at all, because the week totals 40.
Several states add a daily rule on top. Where it applies, hours past 8 in a single day earn 1.5× regardless of the weekly total. Check your state before applying the example below.
⏰ Example 3 · daily overtime, in a state that requires it
Employee works 9h 15m in one day. Base rate $20 an hour. This state requires 1.5× after 8 hours in a day.
Convert: 9h 15m = 9.25 decimal hours, split into 8.00 regular and 1.25 overtime.
Regular: 8.00 × $20 = $160.00. Overtime: 1.25 × $30 = $37.50.
Under federal rules alone, that same 9h 15m day would be paid at straight time unless the week passed 40 hours. Converting to decimal is the same either way. Which hours count as overtime is the part that depends on where you are.
If you use spreadsheets for timekeeping, automate the conversion. With column A as clock-in and column B as clock-out:
Format the result as Number, not Time, with two decimal places. Leaving it formatted as Time is the most common reason a correct formula shows the wrong answer.
Or skip formulas entirely. The time to decimal calculator does the conversion instantly, and the minutes to decimal chart covers bulk timesheet conversion.
Excel and Google Sheets automate time-to-decimal conversion with a single formula.
Treating minutes as cents. Entering 8:30 as 8.30 instead of 8.50 is the most common payroll error. Thirty minutes is half an hour (0.50), not 0.30. This underpays by 12 minutes per shift.
Rounding too aggressively. The U.S. DOL allows rounding to the nearest 5, 6, or 15 minutes, but it must average out fairly over time. When in doubt, use exact decimal values.
Applying the wrong overtime rule. Federal overtime is weekly, over 40 hours. Daily overtime after 8 hours is a state rule and does not apply everywhere. Check which one governs your payroll before you calculate.
Mixing 12 and 24-hour formats. 17:30 is 5:30 PM, not 5:30 AM. Make sure your spreadsheet handles the correct format.
Forgetting unpaid breaks. Subtract lunch before converting. 8:00 AM to 5:00 PM with a one-hour lunch is 8 work hours, not 9.
This conversion is essential for small business owners running payroll manually, freelancers billing hourly clients, HR managers processing timesheets, accountants tracking labor costs, project managers monitoring billable hours, and contractors invoicing for time-and-materials work.
Working across a full week? The hours worked calculator totals clock-in and clock-out times with breaks. Going the other way, decimal to time turns a decimal figure back into hours and minutes for checking a timesheet entry.
Need to convert time to decimal right now?
Use the Free Calculator ↑Time to Decimal Calculator
Single entries, full timesheets, and payroll rounding.
Hours Worked Calculator
Total a week from clock-in and clock-out times.
Minutes to Decimal
All 60 values plus bulk timesheet conversion.
Hours to Decimal
Convert hours and minutes to decimal hours.
Decimal to Time
Turn a decimal figure back into hours and minutes.
Percentage Calculator
Work out deductions, tax, and benefit percentages.
All 60 chart values and every payroll example on this page are re-derived before publishing, and overtime rules are checked against current Department of Labor guidance · How we check our tools
This guide is general information, not payroll or legal advice. Confirm overtime and rounding rules for your state with a qualified professional.
Written by Amara Taylor for Anchor AI Tools · Last reviewed September 13, 2026 · © 2026 Anchor AI Tools