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Decimal to Time

Convert decimal hours to hours:minutes

Time Converter

Converts decimal hours (e.g., 2.75 hours) to hours and minutes (2h 45m), or vice versa. Decimal hours are used in payroll systems and billing; hours:minutes is what clocks display. Mixing them up is a common payroll error.

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Tip: Never use "8:50 hours" to mean "8 hours 50 minutes" in decimal math — 8:50 hours written as a decimal is 8.833, not 8.50. The colon notation and decimal notation require different arithmetic.

  1. 1Decimal to h:mm: integer = hours, decimal × 60 = minutes
  2. 2h:mm to decimal: hours + minutes/60
  3. 32.75 hours = 2h + (0.75 × 60)m = 2h 45m
  4. 42h 45m = 2 + 45/60 = 2 + 0.75 = 2.75 hours
Decimal fractionMinutes
.08335 min
.166710 min
.2515 min
.33320 min
.530 min
.66740 min
.7545 min
.83350 min
.91755 min

Fun Fact

GPS and mapping systems internally store all times in decimal seconds or decimal hours. When your navigation app says "14 minutes," it's typically converting from a decimal like 0.2333 hours to the more intuitive 14 minutes display.

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