Hours & Pay

Decimal Hours Calculator & Bulk Timesheet Converter

Convert up to 500 time durations between hours:minutes and decimal hours. Get a total, check each row and export the conversion table as CSV.

Your inputs

Calculated on your device

Accepts up to 500 nonnegative durations. Decimal results show four places; hours:minutes rounds to the nearest minute. The total uses unrounded inputs, not the displayed rounded rows.

Payroll minutes-to-decimal conversion chart

Divide minutes by 60. Fifteen minutes is 0.25 hour, 30 minutes is 0.50 hour and 45 minutes is 0.75 hour. For a duration such as 8:15, add the eight whole hours to get 8.25. This chart converts durations; it does not round clock punches.

Minute portions from 0 to 59, rounded to four decimal places
MinutesDecimal hourMinutesDecimal hour
00.0000300.5000
10.0167310.5167
20.0333320.5333
30.0500330.5500
40.0667340.5667
50.0833350.5833
60.1000360.6000
70.1167370.6167
80.1333380.6333
90.1500390.6500
100.1667400.6667
110.1833410.6833
120.2000420.7000
130.2167430.7167
140.2333440.7333
150.2500450.7500
160.2667460.7667
170.2833470.7833
180.3000480.8000
190.3167490.8167
200.3333500.8333
210.3500510.8500
220.3667520.8667
230.3833530.8833
240.4000540.9000
250.4167550.9167
260.4333560.9333
270.4500570.9500
280.4667580.9667
290.4833590.9833

Sixty minutes equals one whole hour. Keep full precision when summing; do not use this rounded display as an instruction to round every timesheet row. Check the payroll CSV import checklist before transferring a result.

Choose the right hours-to-decimal conversion

This decimal hours calculator converts durations, not clock times into paid work. If you have start and end punches, first use the work hours calculator to subtract unpaid breaks. If you already have a duration, use the input format that matches its unit.

Same quantity, different input formats
Source valueCorrect calculationDecimal hours
2 hours 45 minutes2 + 45 ÷ 602.75
165 total minutes165 ÷ 602.75
2.45 decimal hoursAlready decimal; 0.45 × 60 = 27 minutes2.45

Use the result in a payroll worksheet

For a simple one-rate arithmetic example, 7 hours 35 minutes is 7.583333… hours. Multiplying the unrounded duration by $24 gives $182.00. Multiplying a two-decimal display value of 7.58 by $24 gives $181.92. That eight-cent difference comes from intermediate rounding, not a different shift length.

Keep a minutes control total beside the exported decimal total and follow the receiving system's required precision. Conversion does not decide payable time, overtime eligibility or which rounding policy applies. Read the decimal hours conversion guide for reverse checks and the Excel conversion formulas for numeric minutes versus spreadsheet time values.

Formula and assumptions

Decimal hours = whole hours + minutes ÷ 60. In reverse, multiply decimal hours by 60 and round to the nearest minute for hours:minutes display. Sum original values before rounding the total.

Results depend on your inputs. Read the calculation methodology.

Worked example

7:30 + 8:15 + 6:45 = 7.5 + 8.25 + 6.75 = 22.5 decimal hours, or 22:30. Writing 7:30 as 7.30 would understate that row by 12 minutes.

Official reference

U.S. Department of Labor: hours worked

Understand the result

Related calculators

Keep time notation separate from decimal notation

A colon separates hours from minutes, which use a base of 60. A decimal point expresses a fraction of an hour. Use 7:45 for seven hours and forty-five minutes in the first mode, or 7.75 in decimal mode. The converter rejects invalid minute portions such as 7:75 instead of silently treating them as another format.

Reconcile rounding before uploading

Use the downloadable table to compare each source value with its converted value. Decimal rows display four places, while hours:minutes displays whole minutes. Totals are calculated from original inputs. An external payroll system may use a different rounding policy, so compare its import specification before using a rounded display as a final record.

Frequently asked questions

What is 7 hours 45 minutes in decimal hours?

7 + 45 ÷ 60 = 7.75 hours. It is not 7.45 hours.

Can I paste multiple rows?

Yes. Paste one duration per line, without headers, names or currency symbols. Select the format that matches every row. The current limit is 500 rows.

Why can the displayed rows differ slightly from the total?

Each displayed row may be rounded. The total adds the original values before rounding, avoiding accumulated display rounding.

Does conversion round clock punches?

No. It converts durations. It does not apply a nearest-quarter-hour rule to employee clock-in or clock-out times.

Continue with your own figures

Timesheet Rounding Checker and Bulk Time Converter — Paste up to 500 durations, convert H:MM or decimal hours, and compare rounding each row with rounding the total once.

Work through a specific example

Use decimal hours in a payroll calculation

Seven hours and 45 minutes converts to 7 + 45/60 = 7.75 hours. At an entered rate of 20 per hour, the straight-time amount is 155. Entering 7.45 instead would produce 149, a difference caused by mixing minutes with hundredths.

For spreadsheet imports, follow the Excel minutes-to-decimal formulas. Then use the overtime pay calculator if the hours have different pay multipliers. Keep the original minutes and round at the stage required by your process rather than rounding every entry by default.

Worked examples for this calculator

Use these guides to check your inputs and understand the result before applying it to your own records.