What is millisecond?

A millisecond is a unit of time equal to one thousandth of a second. It is used in computing, networking, audio and video processing, and measuring reaction times and signal latencies.

What is day?

A day is a unit of time equal to 24 hours, corresponding to one full rotation of the Earth. It is the primary unit for calendars, deadlines, event scheduling, and date-based calculations.

Worked examples

1 millisecond = 1.157407e-08 day

1 day = 86,400 second

More Time conversions

• Convert millisecond to second
• Convert millisecond to minute
• Convert millisecond to hour
• Convert millisecond to day
• Convert millisecond to week
• Convert millisecond to year (365 d)
• Convert millisecond to microsecond
• Convert millisecond to nanosecond
• Convert millisecond to century (100 yr)

Assumption: year is defined as 365 days and century values are approximate.