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Days to Hours Converter

1 d = 24 h. Type any value to convert days to hours.

1 d = 24 h

Formula: h = d × 24

Common values
Decimals
In every unit 12 units
Nanosecond (ns) 86,400,000,000,000 ns
Microsecond (µs) 86,400,000,000 µs
Millisecond (ms) 86,400,000 ms
Second (s) 86,400 s
Minute (min) 1,440 min
Hour (h) 24 h
Day (d) 1 d
Week (wk) 0.1428571429 wk
Month (mo) 0.03285488408 mo
Year (yr) 0.002737907007 yr
Decade (dec) 0.0002737907007 dec
Century (c.) 0.00002737907007 c.

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If you continue, the file is uploaded over an encrypted connection and converted on our server. You can keep using the site meanwhile. The original is deleted as soon as it is converted; the result is kept for 6 hours so you can download it, and you can delete it at any time. Files are never shared or used for anything else.

Calculated in your browser – nothing you type is sent anywhere. Privacy details

Days to hours table

Formula: h = d × 24

Day (d)Hour (h)
0.1 d2.4 h
0.25 d6 h
0.5 d12 h
1 d24 h
2 d48 h
3 d72 h
4 d96 h
5 d120 h
6 d144 h
7 d168 h
8 d192 h
9 d216 h
10 d240 h
12 d288 h
15 d360 h
20 d480 h
25 d600 h
30 d720 h
40 d960 h
50 d1,200 h
60 d1,440 h
75 d1,800 h
100 d2,400 h
150 d3,600 h
200 d4,800 h
250 d6,000 h
500 d12,000 h
1,000 d24,000 h

How to use: Days to Hours

  1. 1 Type the value in days.
  2. 2 The result in hours appears at once – or type in the hours field to convert back.
  3. 3 Pick a common value, round to fewer decimals or swap the units with one click.
  4. 4 Copy the result, or open “In every unit” to see the value in all units of time.

About this tool

Day (d) is a unit of time (metric, accepted for use with the SI); 1 d = 86,400 s. Hour (h) is a unit of time (metric, accepted for use with the SI); 1 h = 3,600 s.

To convert days to hours, multiply the value by 24 (h = d × 24). Example: 24 d = 576 h.

Calculated in your browser – nothing you type is sent anywhere.

Frequently asked questions

How do I convert days to hours?

To convert days to hours, multiply the value by 24: h = d × 24. For example 24 d = 576 h.

What is 1 d in hours?

1 d = 24 h. The other way round, 1 h = 0.04166666667 d.

How exact is the result?

The converter uses the official definitions of both units and shows up to 10 significant digits; choose 0–6 decimals to round. Both units are defined exactly in terms of each other, so the factor itself is exact.

Can I convert other units of time here?

Yes – choose any of the 12 units of time in the From and To lists, or switch to another measurement at the top.

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