Seconds to Planck Times Converter
Enter the time in seconds below to convert it to planck times.
Convert Seconds to Planck Times
Enter a value in seconds (s) to convert to planck times (tₚ).
Second to Planck Time Conversion Table
Table showing various second measurements converted to planck times. Click any preset value or arrow to load it into the converter.
| Seconds (s) | Planck Times (tₚ) |
|---|---|
| 0.0000001 s | 1.854858e+36 tₚ |
| 0.0000002 s | 3.709717e+36 tₚ |
| 0.0000003 s | 5.564575e+36 tₚ |
| 0.0000004 s | 7.419434e+36 tₚ |
| 0.0000005 s | 9.274292e+36 tₚ |
| 0.0000006 s | 1.112915e+37 tₚ |
| 0.0000007 s | 1.298401e+37 tₚ |
| 0.0000008 s | 1.483887e+37 tₚ |
| 0.0000009 s | 1.669373e+37 tₚ |
| 0.00000001 s | 1.854858e+35 tₚ |
How to Convert Seconds to Planck Times
To convert seconds to planck times, multiply the time by the following conversion ratio: 1.854858e+43 planck times/second.
Since one second is equal to 1.854858e+43 planck times, you can use this simple formula to convert:
The time in planck times is equal to the time in seconds multiplied by 1.854858e+43.
For example, here's how to convert 5 seconds to planck times using the formula above.
How Many Planck Times Are in a Second?
There are 1.854858e+43 planck times in a second, which is why we use this value in the formula above.
Our second to planck time calculator automatically converts your time measurements with full decimal and scientific precision across US customary, imperial, and SI metric standards.
Seconds and planck times are both units used to measure time. Keep reading to learn more about each unit.
What Is a Second?
Base SI unit of time. It serves as a primary reference unit for measuring time across scientific and practical applications. [1]
The second is classified as an International System of Units (SI) unit of time. Seconds can be abbreviated as s; for example, 1 second can be written as 1 s.
As the primary coherent reference unit for time in this category, all other time units are mathematically anchored to the second (s).
In practice, seconds (s) are widely used across standard time applications within International System of Units (SI) workflows, engineering documentation, and technical data sheets.
What Is a Planck Time?
A planck time is a unit of time equal to 1/18,548,584,399,861,480,000,000,000,000,000,000,000,000,000 of a second (5.391247e-44 s). Time required for light to travel 1 Planck length in vacuum (~5.39×10⁻⁴⁴ s). [2]
The planck time is classified as a standard unit of time. Planck Times can be abbreviated as tₚ; for example, 1 planck time can be written as 1 tₚ.
When working with planck times (tₚ) in formulas or technical specifications, always verify whether your target system uses SI metric, US customary, or British imperial standards.
In practice, planck times (tₚ) are widely used across fine-tolerance laboratory, analytical, and micro-scale time measurements within international standard workflows, engineering documentation, and technical data sheets.
When converting time between seconds (s) and planck times (tₚ), keep full floating-point precision (1 s = 1.854858e+43 tₚ; 1 tₚ = 5.391247e-44 s) during intermediate calculations and round only the final planck time figure to match your instrument tolerance.
More Second & Planck Time Conversions
Need to calculate in the opposite direction? Use our planck times to seconds calculator to switch your starting unit immediately. You can also explore related tools such as converting planck times to seconds, converting seconds to minutes, or converting seconds to milliseconds.
Convert from Seconds
Frequently Asked Questions
References
- [1]NIST OWM StandardNIST OWM (SI Units — Time)·Time Metrology Standard — Seconds (s) to Planck Times (tₚ)
- [2]BIPM SpecificationBIPM (SI Base Unit: Second (s))·Unit Specifications: Second (s) & Planck Time (tₚ)
- [3]NIST CUU ReferenceNIST CUU (Non-SI Units Accepted for Use (min, h, d))·Conversion Factors & Mathematical Basis (s to tₚ)