⏱️ Attoseconds to Nanoseconds Converter

5.0 out of 5 (1 rating)

Enter details

1 attosecond =
1 × 10⁻⁹ nanoseconds
1 nanosecond =
1,000,000,000 attoseconds
Formula
ns = as × 1 × 10⁻⁹
Handy values
100 as = 1 × 10⁻⁷ ns · 1,000 as = 1 × 10⁻⁶ ns · 10,000 as = 1 × 10⁻⁵ ns

Rate this calculator

Was it useful? A quick star rating helps others — and you can leave a comment too.
Rate it: ★ ★ ★ ★ ★

⚡ Attoseconds to Nanoseconds: the quick answer

1 as = 1 × 10⁻⁹ ns 1 attosecond equals 1 × 10⁻⁹ nanoseconds

To convert attoseconds to nanoseconds, multiply the value by 1 × 10⁻⁹. To go the other way, multiply nanoseconds by 1,000,000,000 to get attoseconds.

↔ Convert nanoseconds to attoseconds instead

🧮 Formula

Attoseconds to Nanoseconds
ns = as × 1 × 10⁻⁹
Nanoseconds to Attoseconds
as = ns × 1,000,000,000

Where

  • as = the time in attoseconds
  • ns = the time in nanoseconds
Every unit here is defined by its time in seconds, so the conversion factor is (seconds per attosecond) ÷ (seconds per nanosecond).

📊 Attoseconds to Nanoseconds conversion table

Attoseconds (as)Nanoseconds (ns)
1 as1 × 10⁻⁹ ns
5 as5 × 10⁻⁹ ns
10 as1 × 10⁻⁸ ns
25 as2.5 × 10⁻⁸ ns
50 as5 × 10⁻⁸ ns
100 as1 × 10⁻⁷ ns
250 as2.5 × 10⁻⁷ ns
500 as5 × 10⁻⁷ ns
1,000 as1 × 10⁻⁶ ns
2,500 as2.5 × 10⁻⁶ ns
5,000 as5 × 10⁻⁶ ns
10,000 as1 × 10⁻⁵ ns
100,000 as0.0001 ns
1,000,000 as0.001 ns

✏️ Worked examples

Convert 25 attoseconds to nanoseconds

25 as × 1 × 10⁻⁹ = 2.5 × 10⁻⁸ ns

Try this example →

Convert 250 attoseconds to nanoseconds

250 as × 1 × 10⁻⁹ = 2.5 × 10⁻⁷ ns

Try this example →

📘 About these units

Attosecond (as). An attosecond is 10⁻¹⁸ of a second, the scale of electron motion in atoms.

Nanosecond (ns). A nanosecond is one billionth of a second — light travels about 30 cm in that time.

❓ Frequently asked questions

How many nanoseconds are in one attosecond?

There are 1 × 10⁻⁹ nanoseconds in one attosecond.

How do I convert attoseconds to nanoseconds?

Multiply the number of attoseconds by 1 × 10⁻⁹. For example, 10 attoseconds equal 1 × 10⁻⁸ nanoseconds.

How many attoseconds are in one nanosecond?

One nanosecond equals 1,000,000,000 attoseconds.

How many nanoseconds is 1,000 attoseconds?

1 × 10⁻⁶ nanoseconds. Other common values: 100 attoseconds = 1 × 10⁻⁷ nanoseconds and 10,000 attoseconds = 1 × 10⁻⁵ nanoseconds.

What people are saying
★★★★★
Anonymous · 22 Oct 2026