โฑ๏ธ Time

Convert between seconds, minutes, hours, days, weeks, and years.

About Time tools

This Time category lets you convert between 35 units using verified ratios. Conversions run locally in your browser and display up to 8 decimals for quick verification.

Many converters are anchored to a base unit (here: Second), then derived through stable multipliers. Each converter page includes the formula and reference tables for transparency.

Professional verification
Validate results with clear formulas, reference tables, and consistent unit symbols.
Fast exploration
Search tools instantly, open a dedicated page, and share deep-links.
Repeatable workflow
Keep results consistent across projects by using the same definitions and rounding.

Featured tools

hour โ†’ minuteminute โ†’ secondday โ†’ hourweek โ†’ daymonth โ†’ dayyear โ†’ day

Top conversions people use

People often convert hour โ†’ minute, minute โ†’ second, day โ†’ hour.

hour โ†’ minuteminute โ†’ secondday โ†’ hourweek โ†’ daymonth โ†’ dayyear โ†’ daysecond โ†’ millisecondsecond โ†’ microsecondsecond โ†’ nanosecondsecond โ†’ minute

FAQ

What is Time used for?
Time tools help you convert and verify values when unit systems differ. They are commonly used in engineering calculations, academic work, product specs, and data normalization.
Why can results differ between websites?
Different standards, rounding rules, and unit definitions can change results. Use the formula and reference tables on each tool page to confirm what definition is being applied.
Are the results accurate?
Yes. Calculations run locally in your browser using verified ratios and display up to 8 decimals. For professional work, keep unit symbols and round at the end.

Available Tools

All Time Tools

Second
Symbol: s
Millisecond
Symbol: ms
Microsecond
Symbol: ยตs
Nanosecond
Symbol: ns
Minute
Symbol: min
Hour
Symbol: h
Day
Symbol: d
Week
Symbol: wk
Month
Symbol: mo
Quarter
Symbol: qtr
Season
Symbol: season
Year
Symbol: yr
Decade
Symbol: decade
Century
Symbol: century
Millennium
Symbol: millennium
Picosecond
Symbol: ps
Femtosecond
Symbol: fs
Attosecond
Symbol: as
Shake
Symbol: shake
Month (Synodic)
Symbol: synodic mo
Year (Julian)
Symbol: Julian yr
Year (Leap)
Symbol: leap yr
Year (Tropical)
Symbol: tropical yr
Year (Sidereal)
Symbol: sidereal yr
Day (Sidereal)
Symbol: sidereal d
Hour (Sidereal)
Symbol: sidereal h
Minute (Sidereal)
Symbol: sidereal min
Second (Sidereal)
Symbol: sidereal s
Fortnight
Symbol: fortnight
Septennial
Symbol: septennial
View All Time Tools

Second to Millisecond

Professional s to ms conversion.

Millisecond to Second

Professional ms to s conversion.

Second to Microsecond

Professional s to ยตs conversion.

Microsecond to Second

Professional ยตs to s conversion.

Second to Nanosecond

Professional s to ns conversion.

Nanosecond to Second

Professional ns to s conversion.

Second to Minute

Professional s to min conversion.

Minute to Second

Professional min to s conversion.

Second to Hour

Professional s to h conversion.

Hour to Second

Professional h to s conversion.

Second to Day

Professional s to d conversion.

Day to Second

Professional d to s conversion.

Second to Week

Professional s to wk conversion.

Week to Second

Professional wk to s conversion.

Second to Month

Professional s to mo conversion.

Month to Second

Professional mo to s conversion.

Second to Quarter

Professional s to qtr conversion.

Quarter to Second

Professional qtr to s conversion.

Second to Season

Professional s to season conversion.

Season to Second

Professional season to s conversion.

Second to Year

Professional s to yr conversion.

Year to Second

Professional yr to s conversion.

Second to Decade

Professional s to decade conversion.

Decade to Second

Professional decade to s conversion.

Second to Century

Professional s to century conversion.

Century to Second

Professional century to s conversion.

Second to Millennium

Professional s to millennium conversion.

Millennium to Second

Professional millennium to s conversion.

Second to Picosecond

Professional s to ps conversion.

Picosecond to Second

Professional ps to s conversion.

Second to Femtosecond

Professional s to fs conversion.

Femtosecond to Second

Professional fs to s conversion.

Second to Attosecond

Professional s to as conversion.

Attosecond to Second

Professional as to s conversion.

Second to Shake

Professional s to shake conversion.

Shake to Second

Professional shake to s conversion.

Second to Month (Synodic)

Professional s to synodic mo conversion.

Month (Synodic) to Second

Professional synodic mo to s conversion.

Second to Year (Julian)

Professional s to Julian yr conversion.

Year (Julian) to Second

Professional Julian yr to s conversion.

Second to Year (Leap)

Professional s to leap yr conversion.

Year (Leap) to Second

Professional leap yr to s conversion.

Second to Year (Tropical)

Professional s to tropical yr conversion.

Year (Tropical) to Second

Professional tropical yr to s conversion.

Second to Year (Sidereal)

Professional s to sidereal yr conversion.

Year (Sidereal) to Second

Professional sidereal yr to s conversion.

Second to Day (Sidereal)

Professional s to sidereal d conversion.

Day (Sidereal) to Second

Professional sidereal d to s conversion.

Second to Hour (Sidereal)

Professional s to sidereal h conversion.

Hour (Sidereal) to Second

Professional sidereal h to s conversion.

Second to Minute (Sidereal)

Professional s to sidereal min conversion.

Minute (Sidereal) to Second

Professional sidereal min to s conversion.

Second to Second (Sidereal)

Professional s to sidereal s conversion.

Second (Sidereal) to Second

Professional sidereal s to s conversion.

Second to Fortnight

Professional s to fortnight conversion.

Fortnight to Second

Professional fortnight to s conversion.

Second to Septennial

Professional s to septennial conversion.

Septennial to Second

Professional septennial to s conversion.

Second to Octennial

Professional s to octennial conversion.

Octennial to Second

Professional octennial to s conversion.

Second to Novennial

Professional s to novennial conversion.

Novennial to Second

Professional novennial to s conversion.

Second to Quinquennial

Professional s to quinquennial conversion.

Quinquennial to Second

Professional quinquennial to s conversion.

Second to Quindecennial

Professional s to quindecennial conversion.

Quindecennial to Second

Professional quindecennial to s conversion.

Second to Planck Time

Professional s to tP conversion.

Planck Time to Second

Professional tP to s conversion.