Days to Planck Times Converter
Enter the time in days below to convert it to planck times.
Convert Days to Planck Times
Enter a value in days (d) to convert to planck times (tₚ).
Day to Planck Time Conversion Table
Table showing various day measurements converted to planck times. Click any preset value or arrow to load it into the converter.
| Days (d) | Planck Times (tₚ) |
|---|---|
| 0.0000001 d | 1.602598e+41 tₚ |
| 0.0000002 d | 3.205195e+41 tₚ |
| 0.0000003 d | 4.807793e+41 tₚ |
| 0.0000004 d | 6.410391e+41 tₚ |
| 0.0000005 d | 8.012988e+41 tₚ |
| 0.0000006 d | 9.615586e+41 tₚ |
| 0.0000007 d | 1.121818e+42 tₚ |
| 0.0000008 d | 1.282078e+42 tₚ |
| 0.0000009 d | 1.442338e+42 tₚ |
| 0.00000001 d | 1.602598e+40 tₚ |
How to Convert Days to Planck Times
To convert days to planck times, multiply the time by the following conversion ratio: 1.602598e+48 planck times/day.
Since one day is equal to 1.602598e+48 planck times, you can use this simple formula to convert:
The time in planck times is equal to the time in days multiplied by 1.602598e+48.
For example, here's how to convert 5 days to planck times using the formula above.
How Many Planck Times Are in a Day?
There are 1.602598e+48 planck times in a day, which is why we use this value in the formula above.
Our day to planck time calculator automatically converts your time measurements with full decimal and scientific precision across US customary, imperial, and SI metric standards.
Days and planck times are both units used to measure time. Keep reading to learn more about each unit.
What Is a Day?
A day is a unit of time equal to 86,400 seconds (s), the base unit for time. Civil day equal to 24 hours or 86,400 seconds. [1]
The day is classified as a standard unit of time. Days can be abbreviated as d; for example, 1 day can be written as 1 d.
When working with days (d) in formulas or technical specifications, always verify whether your target system uses SI metric, US customary, or British imperial standards.
In practice, days (d) are widely used across large-scale industrial, bulk, and macro-level time specifications within international standard 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 days (d) and planck times (tₚ), keep full floating-point precision (1 d = 1.602598e+48 tₚ; 1 tₚ = 6.239869e-49 d) during intermediate calculations and round only the final planck time figure to match your instrument tolerance.
More Day & Planck Time Conversions
Need to calculate in the opposite direction? Use our planck times to days calculator to switch your starting unit immediately. You can also explore related tools such as converting planck times to days, converting days to hours, or converting days to weeks.
Convert from Days
Frequently Asked Questions
References
- [1]NIST OWM StandardNIST OWM (SI Units — Time)·Time Metrology Standard — Days (d) to Planck Times (tₚ)
- [2]BIPM SpecificationBIPM (SI Base Unit: Second (s))·Unit Specifications: Day (d) & Planck Time (tₚ)
- [3]NIST CUU ReferenceNIST CUU (Non-SI Units Accepted for Use (min, h, d))·Conversion Factors & Mathematical Basis (d to tₚ)