Seconds Converters

Simplify your time calculations. Convert seconds to date, microseconds, milliseconds, minutes, hours, days and months — all in one place.

Seconds

s
Up to 20 digits. Values beyond JavaScript safe range may lose precision.

Output

To Date
—
To microseconds
—
To milliseconds
—
To minutes
—
To hours
—
To days
—
To months (≈ 30.44 d)
—
Months are approximated using 30.44 days.

About the seconds converter

One second (s) is the SI base unit for time. It’s fundamental in computing, networks, real-time systems, and everyday interactions.

Why it matters

Seconds are the backbone for timestamps, scheduling, and synchronization. They also bridge human-readable time and machine precision.

Typical conversions

  • s → Date: get a human-readable timestamp from a UNIX-like seconds value
  • s → μs / ms / min / h / d: scale time to smaller or larger units
  • s → months: approximate monthly intervals (≈ 30.44 days per month)
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