How do I convert hertz to kilohertz?

Multiply the hertz value by 0.001. So x Hz × 0.001 = the equivalent in kHz.

What is 5 hertz in kilohertz?

5 hertz equals 0.005 kilohertz.

What is 10 hertz in kilohertz?

10 hertz equals 0.01 kilohertz.

What is 100 hertz in kilohertz?

100 hertz equals 0.1 kilohertz.

How do I convert back from kilohertz to hertz?

Multiply the kilohertz value by 1000. For example, 1 kHz = 1000 Hz.

Is the hertz bigger than the kilohertz?

No. 1 hertz is smaller than 1 kilohertz. It takes 1000 hertz to equal 1 kilohertz.

Are these conversion factors exact?

The factor is derived directly from the SI definitions of hertz and kilohertz; the displayed value is rounded for readability, and the browser computes using IEEE 754 double-precision arithmetic.

Hertz to Kilohertz Converter

1 Hz = 0.001 kHz (hertz → kilohertz)

1 Hz = 0.001 kHz

1 hertz equals 0.001 kilohertz. To convert hertz to kilohertz, multiply the hertz value by 0.001. For quick reference: 1 Hz = 0.001 kHz, 5 Hz = 0.005 kHz, 10 Hz = 0.01 kHz, 100 Hz = 0.1 kHz.

From

0.001

FormulaKilohertz = Hertz × 0.001

Quick

How to convert hertz to kilohertz

Take your value
Start with your value in hertz.
Multiply by 0.001
Multiply the hertz value by 0.001. This is the exact conversion factor from hertz to kilohertz.
Read the result
The product is your value in kilohertz. For example, 5 Hz × 0.001 = 0.005 kHz.

Conversion formula

The exact factor from hertz to kilohertz is 0.001.

Kilohertz = Hertz × 0.001

Hertz to Kilohertz conversion table

Fifty common reference values, hand-picked for skim utility. Use the calculator above for any value not listed.

Conversion table from hertz to kilohertz
Hertz (Hz)	Kilohertz (kHz)
0.1 Hz	0.0001 kHz
0.25 Hz	0.00025 kHz
0.5 Hz	0.0005 kHz
1 Hz	0.001 kHz
2 Hz	0.002 kHz
3 Hz	0.003 kHz
4 Hz	0.004 kHz
5 Hz	0.005 kHz
6 Hz	0.006 kHz
7 Hz	0.007 kHz
8 Hz	0.008 kHz
9 Hz	0.009 kHz
10 Hz	0.01 kHz
11 Hz	0.011 kHz
12 Hz	0.012 kHz
13 Hz	0.013 kHz
14 Hz	0.014 kHz
15 Hz	0.015 kHz
16 Hz	0.016 kHz
18 Hz	0.018 kHz
20 Hz	0.02 kHz
22 Hz	0.022 kHz
24 Hz	0.024 kHz
25 Hz	0.025 kHz
28 Hz	0.028 kHz
30 Hz	0.03 kHz
32 Hz	0.032 kHz
36 Hz	0.036 kHz
40 Hz	0.04 kHz
45 Hz	0.045 kHz
48 Hz	0.048 kHz
50 Hz	0.05 kHz
60 Hz	0.06 kHz
70 Hz	0.07 kHz
75 Hz	0.075 kHz
80 Hz	0.08 kHz
90 Hz	0.09 kHz
100 Hz	0.1 kHz
125 Hz	0.125 kHz
150 Hz	0.15 kHz
200 Hz	0.2 kHz
250 Hz	0.25 kHz
300 Hz	0.3 kHz
400 Hz	0.4 kHz
500 Hz	0.5 kHz
600 Hz	0.6 kHz
750 Hz	0.75 kHz
800 Hz	0.8 kHz
900 Hz	0.9 kHz
1000 Hz	1 kHz

Real-world reference

Standard mains electricity in most of the world is 50 or 60 Hz. Human hearing spans roughly 20 Hz to 20,000 Hz.

Frequently asked questions

How many kilohertz are in 1 hertz?: 1 hertz equals 0.001 kilohertz.
How do I convert hertz to kilohertz?: Multiply the hertz value by 0.001. So x Hz × 0.001 = the equivalent in kHz.
What is 5 hertz in kilohertz?: 5 hertz equals 0.005 kilohertz.
What is 10 hertz in kilohertz?: 10 hertz equals 0.01 kilohertz.
What is 100 hertz in kilohertz?: 100 hertz equals 0.1 kilohertz.
How do I convert back from kilohertz to hertz?: Multiply the kilohertz value by 1000. For example, 1 kHz = 1000 Hz.
Is the hertz bigger than the kilohertz?: No. 1 hertz is smaller than 1 kilohertz. It takes 1000 hertz to equal 1 kilohertz.
Are these conversion factors exact?: The factor is derived directly from the SI definitions of hertz and kilohertz; the displayed value is rounded for readability, and the browser computes using IEEE 754 double-precision arithmetic.

About the hertz and the kilohertz

The hertz

The hertz (Hz) is the SI derived unit of frequency, equal to one cycle per second. It is the universal unit for sound pitch, electrical AC frequency, processor clock speed (in multiples), and radio and wireless signal frequencies.