Second to Nanosecond Converter

Time Converter

21 units available

Decimals:

From

To

1,000,000,000

1 s = 1,000,000,000 ns

Formula:

ns = s × 1.000000e+9

With your value: 1 s = 1,000,000,000 ns

How big is that?

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

Blink of an eye (1/3.3 your value)0.300 s

Your value1.00 s

Minute (60× your value)60.0 s

Working day (2.9e+4× your value)2.88e+4 s

Day (8.6e+4× your value)8.64e+4 s

Week (6.0e+5× your value)6.05e+5 s

Other Second to Nanosecond conversions

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

Second to Nanosecond Conversion Table

Second (s)	Nanosecond (ns)
0.5	500,000,000
1	1,000,000,000
2	2,000,000,000
5	5,000,000,000
10	10,000,000,000
15	15,000,000,000
20	20,000,000,000
25	25,000,000,000
50	50,000,000,000
100	100,000,000,000
250	250,000,000,000
500	500,000,000,000
1000	1.000000e+12

Nanosecond to Second Conversion Table

Nanosecond (ns)	Second (s)
0.5	5.000000e-10
1	1.000000e-9
2	2.000000e-9
5	5.000000e-9
10	1.000000e-8
15	1.500000e-8
20	2.000000e-8
25	2.500000e-8
50	5.000000e-8
100	1.000000e-7
250	2.500000e-7
500	5.000000e-7
1000	1.000000e-6

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.

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

Nanosecond (ns)

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

How to Convert Second to Nanosecond

To convert from Second (s) to Nanosecond (ns), multiply the value by 1,000,000,000.

Formula: ns = s × 1.000000e+9

Reverse: s = ns × 1.000000e-9

Step-by-Step Example

Start with your value in Second. For example: 5 s
Multiply by the conversion factor: 5 x 1,000,000,000
The result is: 5,000,000,000 ns

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.

About Nanosecond

The nanosecond (ns) is a unit of time. One nanosecond equals 1.000000 × 10^-9 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.

Frequently Asked Questions

How many Nanosecond are in 1 Second?

There are exactly 1,000,000,000 Nanosecond in 1 Second. This means the conversion factor from Second to Nanosecond is 1,000,000,000.

What is the formula to convert Second to Nanosecond?

The formula to convert Second to Nanosecond is: ns = s × 1.000000e+9. For example, to convert 10 Second to Nanosecond, you would multiply 10 by 1,000,000,000.

What is a Second?