Time converter
A day here is a fixed 24-hour duration. Calendar months, years and daylight-saving transitions do not have fixed durations and are not included.
Time
1 ms = 2.77777777778e-7 h
What are you measuring?
Time reference
A day here is a fixed 24-hour duration. Calendar months, years and daylight-saving transitions do not have fixed durations and are not included.
| Unit | Equivalent |
|---|---|
| Secondss | 0.001 |
| Millisecondsms | 1 |
| Minutesmin | 1.66666666667e-5 |
| Hoursh | 2.77777777778e-7 |
| Days (24 hours)d | 1.15740740741e-8 |
| Weeks (7 days)wk | 1.65343915344e-9 |
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Length, weight, temperature and more. Units must measure the same kind of quantity.
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See the whole picture
Read the result, check the working, or compare your value across the reference table.
How precise are the results?
We display up to 12 significant digits. Very small or large values use scientific notation. Floating-point arithmetic and rounded definitions can introduce small differences.
Does this work without JavaScript?
Yes. Enter your value, choose your units and press Convert. With JavaScript, the result and table update as you type.
Can I convert between different families?
Only units of the same quantity can be converted directly. For example, converting liters to kilograms requires the material's density.