Table Of Contents
Picosecond to femtosecond Conversion
1 picosecond (psec) is equal to 1000 femtosecond (fsec).
1 psec = 1000 fsec
or
1 fsec = 0.001 psec
Formula
To convert a time from picosecond (psec) to femtosecond (fsec), multiply the time in picosecond by 1000
t(fsec) = t(psec) × 1000
Examples:
Convert 90 picosecond to femtosecond:
t(fsec) = 90psec × 1000 = 90000 fsec
Conversion table
| Picosecond (psec) | Femtosecond (fsec) |
|---|---|
| 1 psec | 1000 fsec |
| 2 psec | 2000 fsec |
| 3 psec | 3000 fsec |
| 5 psec | 5000 fsec |
| 10 psec | 10000 fsec |
| 15 psec | 15000 fsec |
| 20 psec | 20000 fsec |
| 25 psec | 25000 fsec |
| 30 psec | 30000 fsec |
| 50 psec | 50000 fsec |
| 60 psec | 60000 fsec |
| 90 psec | 90000 fsec |
| 100 psec | 100000 fsec |
| 120 psec | 120000 fsec |
| 250 psec | 250000 fsec |
| Femtosecond (fsec) | Picosecond (psec) |
|---|---|
| 1 fsec | 0.001 psec |
| 2 fsec | 0.002 psec |
| 3 fsec | 0.003 psec |
| 5 fsec | 0.005 psec |
| 10 fsec | 0.01 psec |
| 15 fsec | 0.015 psec |
| 20 fsec | 0.02 psec |
| 25 fsec | 0.025 psec |
| 30 fsec | 0.03 psec |
| 50 fsec | 0.05 psec |
| 60 fsec | 0.06 psec |
| 90 fsec | 0.09 psec |
| 100 fsec | 0.1 psec |
| 120 fsec | 0.12 psec |
| 250 fsec | 0.25 psec |
Frequently asked questions
How do I convert picosecond to femtosecond?
Multiply the value in picosecond by 1000 to get the result in femtosecond. For example, 5 psec × 1000 = 5000 fsec.
How many femtosecond are in 1 picosecond?
1 picosecond (psec) is equal to 1000 femtosecond (fsec).
How do I convert femtosecond back to picosecond?
Use the inverse operation: divide the value in femtosecond by 1000 to get the result in picosecond.
How accurate is the picosecond to femtosecond conversion?
The converter multiplies by the conversion factor 1000 and rounds the result to 9 decimal places by default. You can increase or reduce the precision with the digits option on this page.
Sources
Conversion factors are based on internationally recognised standards:
- BIPM — The International System of Units (SI Brochure, 9th edition)
- The Unified Code for Units of Measure (UCUM), Version 2.2 (2024-06-17)
- ISO 80000-3:2019 — Quantities and units — Part 3: Space and time
- NIST Guide to the SI (SP 811), Chapter 6: Rules and Style Conventions for Printing and Using Units
- CLDR Unit Conversions chart (supplemental data, latest release) - convertibility classes and conversion factors only