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Conversionsmeasurement

Time Unit Converter

Time across milliseconds to years, with the two units that are approximations flagged: a month here is thirty days and a year is 365, because neither has a fixed length.

Also called: seconds to hours, minutes to days.

Result
60

1 Hour is 60 Minute. The factor is 60, and the inverse is 0.0166666667. The table below gives the same value in every time unit at once.

Conversion factor
60
Inverse factor
0.0166666667
Value in second
3,600
Converting from
Hour
Converting to
Minute
Dimension
time
How this is calculated

The same value in every time unit

UnitValue
Millisecond3,600,000
Second3,600
Minute60
Hour1
Day0.04
Week0.01
Month (30 days)0
Year (365 days)0
Method and background

How this is calculated

Everything up to a week is exact. A month is not a fixed quantity at all, and a year is 365 days except when it is 366, so both are conventions rather than definitions. For anything where the difference matters, subtracting two real dates is the right tool rather than multiplying by an average.

result = value * factor_from / factor_to
k
Each unit's size in second

Worked examples

Each of these is asserted on every build. If a change to the engine ever moved one of these answers, the build would fail before the page could print it.

a day in seconds

Value
1
From
Day
To
Second

Result86,400

arithmetic identity

Open this example

a year at the 365-day convention

Value
1
From
Year (365 days)
To
Day

Result365

boundary: the approximation this page names explicitly

Open this example