Planck Time to Second Converter

Time Converter

21 units available

Decimals:

From

To

5.391160e-44

1 tP = 5.391160e-44 s

Formula:

s = tP × 5.391160e-44

With your value: 1 tP = 5.391160e-44 s

How big is that?

Everyday references on a logarithmic scale, all expressed in planck time so you can sanity-check the result.

Your value1.00 tP

Blink of an eye (5.6e+42× your value)5.56e+42 tP

Minute (1.1e+45× your value)1.11e+45 tP

Working day (5.3e+47× your value)5.34e+47 tP

Day (1.6e+48× your value)1.60e+48 tP

Week (1.1e+49× your value)1.12e+49 tP

Other Planck Time to Second conversions

2 tP to s 3 tP to s 4 tP to s 5 tP to s 6 tP to s 7 tP to s 8 tP to s

Planck Time to Second Conversion Table

Planck Time (tP)	Second (s)
0.5	2.695580e-44
1	5.391160e-44
2	1.078232e-43
5	2.695580e-43
10	5.391160e-43
15	8.086740e-43
20	1.078232e-42
25	1.347790e-42
50	2.695580e-42
100	5.391160e-42
250	1.347790e-41
500	2.695580e-41
1000	5.391160e-41

Second to Planck Time Conversion Table

Second (s)	Planck Time (tP)
0.5	9.274442e+42
1	1.854888e+43
2	3.709777e+43
5	9.274442e+43
10	1.854888e+44
15	2.782333e+44
20	3.709777e+44
25	4.637221e+44
50	9.274442e+44
100	1.854888e+45
250	4.637221e+45
500	9.274442e+45
1000	1.854888e+46

Where these values come from

Every factor on this page is traced to the document that defines it. See the full provenance dataset or our methodology.

Planck Time (tP)

Time

SI definition

Traceable to the second, defined by fixing the caesium-133 hyperfine transition frequency at 9 192 631 770 Hz.

Source: BIPM, The International System of Units (SI), 9th edition, 2019 (updated 2024)

Bureau International des Poids et Mesures · Reviewed 2026-07-01

Second (s)

Time

SI definition

The second is defined by taking the caesium-133 ground-state hyperfine transition frequency to be exactly 9 192 631 770 Hz.

Source: BIPM, The International System of Units (SI), 9th edition, 2019 (updated 2024)

Bureau International des Poids et Mesures · Reviewed 2026-07-01

How to Convert Planck Time to Second

To convert from Planck Time (tP) to Second (s), multiply the value by 5.391160e-44.

Formula: s = tP × 5.391160e-44

Reverse: tP = s × 1.854888e+43

Step-by-Step Example

Start with your value in Planck Time. For example: 5 tP
Multiply by the conversion factor: 5 x 5.391160e-44
The result is: 2.695580e-43 s

About Planck Time

The planck time (tP) is a unit of time. One planck time equals 5.391160 × 10^-44 seconds. UnitConvertLab converts it against every other time unit using this exact definition, so results are reproducible to full double precision rather than rounded lookup tables.

Common uses: time calculations, engineering and science, education.

About Second

The second (s) is a unit of time. One second equals 1 second. UnitConvertLab converts it against every other time unit using this exact definition, so results are reproducible to full double precision rather than rounded lookup tables.

Common uses: time calculations, engineering and science, education.

Frequently Asked Questions

How many Second are in 1 Planck Time?

There are exactly 5.391160e-44 Second in 1 Planck Time. This means the conversion factor from Planck Time to Second is 5.391160e-44.

What is the formula to convert Planck Time to Second?

The formula to convert Planck Time to Second is: s = tP × 5.391160e-44. For example, to convert 10 Planck Time to Second, you would multiply 10 by 5.391160e-44.

What is a Planck Time?