Recognised as Decimal number
0.42
- Positive
- Decimal
- 2 d.p.
- Exact fraction
- 2 s.f.
0.42 is a decimal number equal to 21⁄50. It lies between 0 and 1, and as a percentage it is 42%.
Number properties
Fractions & ratios
Arithmetic
Representations
Decimal0.42
Scientific notation4.2 × 10^-1
Exponential4.2e-1
IEEE 754 binary64 (hex)0x3FDAE147AE147AE1the exact 64-bit pattern stored
IEEE 754 binary32 (hex)0x3ED70A3D32-bit single precision, may lose accuracy
Stored as0.42the nearest binary64 value to what you typed
Rounding & precision
Significant figures as written2counted from the digits as typed, not from the value
To 0 decimal places0
To 1 decimal place0.4
To 2 decimal places0.42
To 3 decimal places0.420
To 4 decimal places0.4200
To 1 significant figure0.4
To 2 significant figures0.42
To 3 significant figures0.420
To 4 significant figures0.4200
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Also reads as
00:42 (time of day)
- 00:42
- 12:42 am
- 2,520 s
- 2.9% of the day
00:42 is 2,520 seconds after midnight, 2.9167% of the way through the day, with 23 hours and 18 minutes remaining. In twelve-hour form it is 12:42 am, and the hour and minute hands sit 129° apart.
The time
24-hour00:42
12-hour12:42 am
Hours, minutes, seconds0 h 42 m 0 s
Seconds since midnight2,520
Minutes since midnight42
Decimal hours0.7the form payroll and timesheets use
Milliseconds since midnight2,520,000
Position in the day
Through the day2.916667%
Remaining until midnight83,880 seconds23 hours and 18 minutes
Elapsed42 minutes
Half of the day passedNobefore noon
Through the hour70%
Quarter of the day1six-hour quarters
Clock hands
Hour hand21° from twelvemoving continuously, so it sits between the hour marks
Minute hand252° from twelve
Second hand0° from twelve
Angle between hour and minute129°
Hands alignedNo
As a frame count
At 24 fps60,480film
At 25 fps63,000PAL
At 30 fps75,600
At 60 fps151,200
At 29.97 fps75,524.48≈NTSC is exactly 30000/1001 frames per second, not 29.97
Timecode at 25 fps00:42:00:00
Relative to now
These values depend on today’s date and change daily.
Now (UTC)03:12:39
Next occurrencein 21 hours, 29 minutes and 21 seconds
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