Convert Day to Minute (dmin)

The day equals 24 hours and is the fundamental unit of human routine, calendars, and Earth rotation.

1,440
1 d1,440 minNIST · BIPM accuracy

Day to Minute Conversion Table

10 common values
DayMinute
1 d1,440 min
5 d7,200 min
10 d14,400 min
30 d43,200 min
60 d86,400 min
120 d172,800 min
300 d432,000 min
600 d864,000 min
1,800 d2,592,000 min
3,600 d5,184,000 min

How to Convert Day to Minute Manually

Step by Step

Converting days to minutes is straightforward: multiply by the conversion factor. Follow these three steps to do it by hand or in your head.

  1. 1
    Take your value in days
    Start with the number of days (d) you want to convert.
  2. 2
    Multiply by 1,440
    The conversion factor from d to min is 1,440. Multiply your value by this number.
  3. 3
    Read the result in minutes
    The result is your value in minutes (min).
Practical Examples
1 d
equals
1,440 min
5 d
equals
7,200 min
10 d
equals
14,400 min
25 d
equals
36,000 min
100 d
equals
144,000 min

Formula

Multiply the value in days by 1,440. For the reverse direction, multiply by 0.000694.

Forwardmin = d × 1,440
Reversed = min × 0.000694
Example: 10 d × 1,440 = 14,400 min

Tips

Use these in everyday conversions
  • 1 day = 24 hours = 1440 minutes = 86,400 seconds.
  • Julian day count is used in astronomy from 4713 BC.
  • A sidereal day is 23 h 56 min 4 s — slightly shorter than a solar day.

Common Mistakes

Avoid these
  • Confusing sidereal and solar days in astronomy.
  • Assuming a day is always exactly 24 h — leap seconds (rare) and timezone shifts vary.
  • Mixing business days and calendar days in contracts.

About Day and Minute

What is the Day?

The day equals exactly 86,400 seconds (24 hours) — the mean time for Earth to complete one rotation relative to the Sun (the 'solar day'). The 'sidereal day' (relative to distant stars) is about 4 minutes shorter at 23 hours, 56 minutes, 4 seconds, but everyday usage refers to the solar day. Days are the fundamental unit of human routine: sleep cycles, work schedules, calendar appointments, and project timelines all measure in days. The day relates to the second (86,400 s = 1 day), the hour (24 h = 1 day), and the week (7 days = 1 week). Earth's rotation gradually slows due to tidal friction, lengthening the day by about 1.7 milliseconds per century — leap seconds are occasionally added to civil time to compensate, though this practice will end by 2035 by international agreement.

  • Calendar dates and scheduling
  • Shipping and delivery times
  • Medical dosing intervals (e.g. "once daily")
Real-world examples

International shipping: 2–7 days typical. Global work-week: 5 days in most countries. Human circadian rhythm: 24 h ± 30 min.

What is the Minute?

The minute equals exactly 60 seconds and is the universal unit for short durations in daily and professional life. Its base-60 origin traces to ancient Babylonian astronomy, where the sexagesimal (base 60) system was used for celestial calculations because 60 has many divisors (1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60), making fractions easy. The minute is the standard for cooking times, exercise durations, meeting lengths, train and flight schedules, and music tempos (BPM). The minute relates to the second (1 min = 60 s) and the hour (60 min = 1 h). Despite proposals to decimalize time during the French Revolution (10-hour days with 100-minute hours), the sexagesimal system endured. The minute also has subdivisions in geography (1° latitude = 60 minutes of arc) and astronomy.

  • Meeting, appointment and class durations
  • Cooking times (pasta 10 min, bread 30 min)
  • Exercise interval timing
Real-world examples

Standard meeting: 30 or 60 min. Pasta: 8–12 min. UK to Paris on Eurostar: 134 min.

Learn About Both Units

⏱️ Reference

What is the Day?

Read the unit page →
⏱️ Reference

What is the Minute?

Read the unit page →

Day to Minute FAQ

5 questions
How many minutes in a day?
One day equals 1,440 minutes.
How do I convert days to minutes?
Multiply the day value by 1,440 to get the equivalent in minutes.
What is 100 days in minutes?
100 days equals 144,000 minutes.
Is a day bigger than a minute?
Yes. 1 day equals 1,440 minutes, so one day is larger.
How to convert days to minutes without a calculator?
Multiply by 1,440 for a quick estimate; use a calculator for precise results.

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