Femtosecond is 1e-15 second units.
Femtoseconds to Centiseconds Converter — fs to cs
Convert Femtosecond (fs) to Centisecond (cs) using the exact conversion factor (1 femtosecond = 1e-13 centisecond). See the formula, worked examples, and conversion table.
Femtoseconds to Centiseconds converter
Converter
Time Converter
Convert SI time, civil time, historical durations, months, and years.
Context values
Some unit families need one extra value for a physically accurate result.
Centisecond is 0.01 second units.
Result = input x 1e-15 / 0.01.
Months and years use the average Gregorian year.
Reserved above the conversion cards and below the converter.
About Converting Femtoseconds to Centiseconds
Femtosecond and Centisecond are both everyday units of duration, and converting between them is one of the most routine calculations there is — scheduling, project planning, and billing all depend on it. Specifically: Femtosecond is 1e-15 second units, and centisecond is 0.01 second units.
Formula
centiseconds = femtoseconds × 1e-13
This factor comes from each unit's defined relationship to the category's base unit: 1 femtosecond equals 1e-15 base units, and 1 centisecond equals 0.01 base units, so dividing one by the other gives the direct femtosecond-to-centisecond factor of 1e-13.
Simple example
1 fs × 1e-13 = 1e-13 cs
1 femtosecond = 1e-13 centiseconds.
Real-world example
24 fs × 1e-13 = 2.4e-12 cs
24 femtoseconds = 2.4e-12 centiseconds.
Conversion table
| Femtosecond (fs) | Centisecond (cs) |
|---|---|
| 1 fs | 1e-13 cs |
| 7 fs | 7e-13 cs |
| 24 fs | 2.4e-12 cs |
| 30 fs | 3e-12 cs |
| 100 fs | 1e-11 cs |
| 365 fs | 3.65e-11 cs |
Reverse conversion: Centisecond to Femtosecond
1e-13 cs × 1e+13 = 1 fs
1e-13 centiseconds = 1 femtosecond.
femtoseconds = centiseconds × 1e+13
For a page dedicated to this direction, see Centisecond to Femtosecond.
Understanding the Femtosecond (fs)
Femtosecond is 1e-15 second units.
Understanding the Centisecond (cs)
Centisecond is 0.01 second units.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many centiseconds are in 1 femtosecond?
1 femtosecond equals 1e-13 centiseconds, using the exact defined conversion factor rather than an estimate.
How do I convert femtosecond to centisecond?
Multiply the femtosecond value by 1e-13. The converter above does this instantly to whatever precision you set.
How do I convert centisecond back to femtosecond?
Use the reverse factor: 1 centisecond equals 1e+13 femtoseconds. You can also use the swap control in the converter above to flip the direction instantly.
What is a femtosecond?
Femtosecond (fs) is a unit of time.
What is a centisecond?
Centisecond (cs) is a unit of time.
Is the femtosecond to centisecond conversion exact?
Yes. Both femtosecond and centisecond are defined by fixed standards rather than physical artifacts, so the factor of 1e-13 used above is exact to as many digits as you choose to display.