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Decimal to Time Calculator

Convert decimal hours into standard hours, minutes, and seconds for timesheets, payroll, or math homework. Features FLSA 7-minute rounding and live wage calculation.

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hours
Quick Presets:
FLSA Payroll Rounding Mode: Exact Math

No rounding applied. Exact mathematical conversion.

Calculated Time:
8 hrs 45 mins 0 secs
Clock Format: 08:45:00

Step-by-Step Calculation Formula

  1. Take the whole number as hours: 8 hour(s).
  2. Multiply decimal remainder by 60 for minutes: 0.75 × 60 = 45 minute(s).
  3. Remaining fraction of minutes multiplied by 60: 0 second(s).
Excel / Google Sheets Formula:
=TEXT(A1/24, "hh:mm:ss")
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How to Convert Decimal Time to Hours and Minutes

In standard timekeeping, an hour contains 60 minutes, and each minute contains 60 seconds (base-60 system). However, computers, modern payroll systems (such as ADP, QuickBooks, Paychex, and Gusto), and spreadsheets represent work hours in decimals (base-10 system).

The Decimal-to-Time Conversion Formula:

Minutes = Decimal Remainder × 60
Seconds = Minute Remainder × 60

Example (Convert 7.45 decimal hours):
1. Whole hours = 7 hours.
2. Multiply 0.45 by 60: 0.45 × 60 = 27 minutes.
3. Result: 7 hours and 27 minutes (07:27:00).

Understanding the FLSA 7-Minute Rounding Rule

Under the US Department of Labor's Fair Labor Standards Act (FLSA 29 CFR § 785.48(b)), employers may round employee starting and stopping times to the nearest 5 minutes, 6 minutes (one-tenth of an hour), or 15 minutes (one-quarter of an hour).

  • 1 to 7 Minutes: Rounds down to 0 minutes (0.00 hours).
  • 8 to 22 Minutes: Rounds to 15 minutes (0.25 hours).
  • 23 to 37 Minutes: Rounds to 30 minutes (0.50 hours).
  • 38 to 52 Minutes: Rounds to 45 minutes (0.75 hours).
  • 53 to 60 Minutes: Rounds up to 60 minutes (1.00 hour).

Important: The rounding system must operate neutrally over time and must never consistently disadvantage hourly employees.

Printable Decimal to Time Conversion Chart

Complete reference table for 1 to 60 minutes with exact decimals, payroll standard (2 decimals), and FLSA 15-min / 6-min rounding.

Minutes Exact Decimal Standard Payroll (2 Decimals) FLSA 15-Min (7-Min Rule) 6-Min Tenth (0.1 Hr)
1 min 0.0167 0.02 hr 0.00 hr 0.0 hr
2 min 0.0333 0.03 hr 0.00 hr 0.0 hr
3 min 0.0500 0.05 hr 0.00 hr 0.1 hr
4 min 0.0667 0.07 hr 0.00 hr 0.1 hr
5 min 0.0833 0.08 hr 0.00 hr 0.1 hr
6 min 0.1000 0.10 hr 0.00 hr 0.1 hr
7 min 0.1167 0.12 hr 0.00 hr 0.1 hr
8 min 0.1333 0.13 hr 0.25 hr 0.1 hr
9 min 0.1500 0.15 hr 0.25 hr 0.2 hr
10 min 0.1667 0.17 hr 0.25 hr 0.2 hr
11 min 0.1833 0.18 hr 0.25 hr 0.2 hr
12 min 0.2000 0.20 hr 0.25 hr 0.2 hr
13 min 0.2167 0.22 hr 0.25 hr 0.2 hr
14 min 0.2333 0.23 hr 0.25 hr 0.2 hr
15 min 0.2500 0.25 hr 0.25 hr 0.3 hr
16 min 0.2667 0.27 hr 0.25 hr 0.3 hr
17 min 0.2833 0.28 hr 0.25 hr 0.3 hr
18 min 0.3000 0.30 hr 0.25 hr 0.3 hr
19 min 0.3167 0.32 hr 0.25 hr 0.3 hr
20 min 0.3333 0.33 hr 0.25 hr 0.3 hr
21 min 0.3500 0.35 hr 0.25 hr 0.4 hr
22 min 0.3667 0.37 hr 0.25 hr 0.4 hr
23 min 0.3833 0.38 hr 0.50 hr 0.4 hr
24 min 0.4000 0.40 hr 0.50 hr 0.4 hr
25 min 0.4167 0.42 hr 0.50 hr 0.4 hr
26 min 0.4333 0.43 hr 0.50 hr 0.4 hr
27 min 0.4500 0.45 hr 0.50 hr 0.5 hr
28 min 0.4667 0.47 hr 0.50 hr 0.5 hr
29 min 0.4833 0.48 hr 0.50 hr 0.5 hr
30 min 0.5000 0.50 hr 0.50 hr 0.5 hr
31 min 0.5167 0.52 hr 0.50 hr 0.5 hr
32 min 0.5333 0.53 hr 0.50 hr 0.5 hr
33 min 0.5500 0.55 hr 0.50 hr 0.6 hr
34 min 0.5667 0.57 hr 0.50 hr 0.6 hr
35 min 0.5833 0.58 hr 0.50 hr 0.6 hr
36 min 0.6000 0.60 hr 0.50 hr 0.6 hr
37 min 0.6167 0.62 hr 0.50 hr 0.6 hr
38 min 0.6333 0.63 hr 0.75 hr 0.6 hr
39 min 0.6500 0.65 hr 0.75 hr 0.7 hr
40 min 0.6667 0.67 hr 0.75 hr 0.7 hr
41 min 0.6833 0.68 hr 0.75 hr 0.7 hr
42 min 0.7000 0.70 hr 0.75 hr 0.7 hr
43 min 0.7167 0.72 hr 0.75 hr 0.7 hr
44 min 0.7333 0.73 hr 0.75 hr 0.7 hr
45 min 0.7500 0.75 hr 0.75 hr 0.8 hr
46 min 0.7667 0.77 hr 0.75 hr 0.8 hr
47 min 0.7833 0.78 hr 0.75 hr 0.8 hr
48 min 0.8000 0.80 hr 0.75 hr 0.8 hr
49 min 0.8167 0.82 hr 0.75 hr 0.8 hr
50 min 0.8333 0.83 hr 0.75 hr 0.8 hr
51 min 0.8500 0.85 hr 0.75 hr 0.9 hr
52 min 0.8667 0.87 hr 0.75 hr 0.9 hr
53 min 0.8833 0.88 hr 1.00 hr 0.9 hr
54 min 0.9000 0.90 hr 1.00 hr 0.9 hr
55 min 0.9167 0.92 hr 1.00 hr 0.9 hr
56 min 0.9333 0.93 hr 1.00 hr 0.9 hr
57 min 0.9500 0.95 hr 1.00 hr 1.0 hr
58 min 0.9667 0.97 hr 1.00 hr 1.0 hr
59 min 0.9833 0.98 hr 1.00 hr 1.0 hr
60 min 1.0000 1.00 hr 1.00 hr 1.0 hr

Frequently Asked Questions

Everything you need to know about timecard decimals, FLSA rounding rules, and payroll conversions.

How do you convert decimal hours into hours and minutes?

To convert decimal hours into hours and minutes, keep the integer part as whole hours. Then, multiply the decimal fraction by 60 to calculate the minutes. For example, for 8.75 hours: the whole hours are 8, and 0.75 × 60 = 45 minutes. The final result is 8 hours and 45 minutes.

What is the FLSA 7-minute rule for payroll?

Under the Fair Labor Standards Act (FLSA), employers are permitted to round employee time to 15-minute increments (0.25 hours). The 7-minute rule states that 1 to 7 minutes round down to the nearest 15-minute mark (or zero), while 8 to 14 minutes round up to the next 15-minute increment. This policy must remain neutral and never consistently favor the employer.

What is 0.75 hours in minutes?

0.75 hours equals exactly 45 minutes (calculated as 0.75 × 60 = 45). In a timesheet or payroll system, 45 minutes is recorded as 0.75.

How do I convert decimal hours to time in Excel?

In Microsoft Excel or Google Sheets, divide the decimal hours by 24 (since Excel represents days as 1) and format the cell as time: =TEXT(A1/24, "hh:mm:ss"). To go in reverse from standard time to decimal hours, use: =HOUR(A1) + (MINUTE(A1)/60) + (SECOND(A1)/3600).

Why do payroll software systems use decimal hours instead of minutes?

Payroll software and accounting formulas calculate wages by multiplying hours worked by the hourly pay rate ($/hr). Because base-60 clock minutes cannot be directly multiplied by a base-10 hourly dollar rate without distortion (e.g., 8:30 is not 8.3), timesheets must be converted into base-10 decimal fractions (8.5 hours).