Convert hours, minutes, and seconds into decimal hours and vice-versa for payroll, invoicing, and FLSA 7-minute compliance.
Select "Time to Decimal" (e.g. 7h 45m → 7.75) or "Decimal to Time" (e.g. 8.4 → 8h 24m).
Enter hours and minutes, or type a decimal value into the numeric field.
Instantly view exact decimal hours, payroll hundredths (.00), tenths (.0), and FLSA 7-minute rounding.
Decimal Hours = Hours + (Minutes / 60) + (Seconds / 3600) Hours = Whole hour valueMinutes = Minutes to be divided by 60Seconds = Optional seconds divided by 3600Hours = floor(Decimal), Minutes = round((Decimal − Hours) × 60) floor(Decimal) = Integer portion as whole hoursDecimal − Hours = Fractional remainder converted to minutesStep-by-step breakdown of common real-world time scenarios, work shifts, and duration math.
Converting an employee shift of 7 hours and 30 minutes into payroll decimal hours.
7 + (30 / 60) = 7 + 0.50 A billable project logged as 7 hours and 45 minutes.
7 + (45 / 60) = 7 + 0.75 Converting 90 standalone minutes into decimal hours.
90 / 60 = 1.50 Interpreting a 8.40 hour digital payroll punch back into clock time.
8 hours + (0.40 × 60) = 8 hours 24 mins How professionals and individuals apply this calculation across various industries.
Convert shift durations into decimal hours before multiplying by hourly pay rates to prevent wage truncation.
Format billable deep work into hundredths (e.g. 2.25 hours) for invoicing platforms and retainers.
Track engine runtime and aviation block hours in standard decimal hour increments.
Official 1–60 minute payroll conversion table with exact decimals and FLSA 7-minute quarter-hour rules.
| Minutes | Exact Decimal | Payroll (.00) | Tenths (.0) |
|---|---|---|---|
| 1 min | 0.0167 | 0.02 | 0.0 |
| 2 mins | 0.0333 | 0.03 | 0.0 |
| 3 mins | 0.0500 | 0.05 | 0.1 |
| 4 mins | 0.0667 | 0.07 | 0.1 |
| 5 mins | 0.0833 | 0.08 | 0.1 |
| 6 mins | 0.1000 | 0.10 | 0.1 |
| 7 mins | 0.1167 | 0.12 | 0.1 |
| 8 mins | 0.1333 | 0.13 | 0.1 |
| 9 mins | 0.1500 | 0.15 | 0.1 |
| 10 mins | 0.1667 | 0.17 | 0.2 |
| 11 mins | 0.1833 | 0.18 | 0.2 |
| 12 mins | 0.2000 | 0.20 | 0.2 |
| 13 mins | 0.2167 | 0.22 | 0.2 |
| 14 mins | 0.2333 | 0.23 | 0.2 |
| 15 mins | 0.2500 | 0.25 | 0.3 |
| 16 mins | 0.2667 | 0.27 | 0.3 |
| 17 mins | 0.2833 | 0.28 | 0.3 |
| 18 mins | 0.3000 | 0.30 | 0.3 |
| 19 mins | 0.3167 | 0.32 | 0.3 |
| 20 mins | 0.3333 | 0.33 | 0.3 |
| 21 mins | 0.3500 | 0.35 | 0.3 |
| 22 mins | 0.3667 | 0.37 | 0.4 |
| 23 mins | 0.3833 | 0.38 | 0.4 |
| 24 mins | 0.4000 | 0.40 | 0.4 |
| 25 mins | 0.4167 | 0.42 | 0.4 |
| 26 mins | 0.4333 | 0.43 | 0.4 |
| 27 mins | 0.4500 | 0.45 | 0.5 |
| 28 mins | 0.4667 | 0.47 | 0.5 |
| 29 mins | 0.4833 | 0.48 | 0.5 |
| 30 mins | 0.5000 | 0.50 | 0.5 |
In modern accounting and payroll management, employee compensation is calculated by multiplying billable hours by an hourly pay rate. To calculate your raw elapsed duration before converting, use our flagship Time Duration Calculator or compute net shift hours on the Work Hours Calculator. Because traditional clocks operate in base-60 (sexagesimal) and computers operate in base-10 (decimal), failure to convert minutes into decimal fractions results in wage miscalculations.
To convert any minute value into decimal hours, divide the minutes by 60 (for quick single-minute lookups, see our Minutes to Decimal Chart):
15 minutes = 15 ÷ 60 = 0.25 decimal hours30 minutes = 30 ÷ 60 = 0.50 decimal hours45 minutes = 45 ÷ 60 = 0.75 decimal hoursUnder the Fair Labor Standards Act (FLSA), employers may round employee clock punches to the nearest quarter-hour (15-minute interval). Review our complete FLSA 7-Minute Payroll Guide to understand the statutory rounding brackets:
Divide the number of minutes by 60 and add the result to the hours. Formula: Decimal Hours = Hours + (Minutes / 60).
7 hours and 30 minutes equals 7.50 decimal hours (since 30 / 60 = 0.50).
7 hours and 45 minutes equals 7.75 decimal hours (since 45 / 60 = 0.75).
All calculations on this tool are deterministic and rigorously tested against base-60 modulo arithmetic and US Fair Labor Standards Act (FLSA 29 CFR § 785.48) payroll rounding guidelines.