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Time converters

Time conversions look simple but hide a definition problem: the calendar year is not exactly 365 days. We use the Julian year (365.25 days), which is also the IAU definition behind the light year, so all our derived units are internally consistent. For everyday use this difference matters only at the multi-year scale.

Popular time conversions

Seconds to Minutes
s → min
Seconds to Hours
s → h
Seconds to Days
s → d
Seconds to Weeks
s → wk
Seconds to Years
s → yr
Minutes to Seconds
min → s
Minutes to Hours
min → h
Minutes to Days
min → d
Minutes to Weeks
min → wk
Minutes to Years
min → yr
Hours to Seconds
h → s
Hours to Minutes
h → min
Hours to Days
h → d
Hours to Weeks
h → wk
Hours to Years
h → yr
Days to Seconds
d → s
Days to Minutes
d → min
Days to Hours
d → h
Days to Weeks
d → wk
Days to Years
d → yr
Weeks to Seconds
wk → s
Weeks to Minutes
wk → min
Weeks to Hours
wk → h
Weeks to Days
wk → d
Weeks to Years
wk → yr
Years to Seconds
yr → s
Years to Minutes
yr → min
Years to Hours
yr → h
Years to Days
yr → d
Years to Weeks
yr → wk

All time units

The 6 units below can be selected as source or target inside any time converter.

Time units in terms of the second

Every time unit on Convertitive is defined as an exact ratio of the second (s), the reference unit for this category. The table below shows what one of each unit equals in seconds — the constant every converter on this page is built from.

Time units expressed in seconds
UnitSymbol1 unit in seconds
Secondssbase unit
Minutesmin60 s
Hoursh3600 s
Daysd86400 s
Weekswk604800 s
Yearsyr31557600 s

To convert between any two units, Convertitive scales the input to seconds using these factors and then back out to the target unit — so every result on this page traces to a single, exact definition rather than a chained approximation. Pick any pair above to see the formula, a 50-row reference table, and worked examples.