The conversion of 20 kHz to milliseconds results in 0.05 ms.
This is because frequency in kilohertz (kHz) relates inversely to the period in milliseconds (ms). Specifically, 1 kHz corresponds to a period of 1 millisecond divided by 1,000. For 20 kHz, the period is 1 divided by 20,000 seconds, which equals 0.00005 seconds, or 0.05 ms.
What is the period of 20 kHz in milliseconds?
Conversion Tool
Result in ms:
Conversion Formula
The formula to convert khz to ms is: period in ms = 1 / (frequency in khz * 1000). This works because frequency is the number of cycles per second, so to find the duration of one cycle in seconds, you take its reciprocal. Since 1 second equals 1000 milliseconds, the formula adjusts accordingly.
For example, for 20 kHz: period = 1 / (20 * 1000) = 1 / 20000 = 0.00005 seconds, which is 0.05 milliseconds. This calculation shows how the frequency directly determines how short each cycle lasts.
Conversion Example
- Convert 10 kHz:
- Step 1: Multiply 10 by 1000 = 10000
- Step 2: Take reciprocal: 1 / 10000 = 0.0001 seconds
- Step 3: Convert seconds to ms: 0.0001 * 1000 = 0.1 ms
- Convert 50 kHz:
- Step 1: Multiply 50 by 1000 = 50000
- Step 2: Reciprocal: 1 / 50000 = 0.00002 seconds
- Step 3: Convert to ms: 0.00002 * 1000 = 0.02 ms
- Convert 5 kHz:
- Step 1: Multiply 5 by 1000 = 5000
- Step 2: Reciprocal: 1 / 5000 = 0.0002 seconds
- Step 3: Convert to ms: 0.0002 * 1000 = 0.2 ms
Conversion Chart
| Frequency (kHz) | Period (ms) |
|---|---|
| -5.0 | -0.2 |
| 0.0 | — |
| 5.0 | 0.2 |
| 10.0 | 0.1 |
| 15.0 | 0.0667 |
| 20.0 | 0.05 |
| 25.0 | 0.04 |
| 30.0 | 0.0333 |
| 35.0 | 0.0286 |
| 40.0 | 0.025 |
| 45.0 | 0.0222 |
This chart shows the relationship between frequency in kHz and period in milliseconds. To use, find the frequency in the first column, then read across to see the period in ms.
Related Conversion Questions
- How do I convert 20 kHz to seconds or milliseconds?
- What is the period in ms for a 20 kHz signal?
- How many milliseconds is 20 kHz frequency?
- Can I convert 20 kHz to microseconds?
- What is the cycle duration of 20 kHz in milliseconds?
- How does frequency in kHz relate to the cycle time in ms?
- What is the time for one cycle at 20 kHz?
Conversion Definitions
khz
Khz stands for kilohertz, a unit measuring frequency equal to 1,000 cycles per second. It indicates how many oscillations or vibrations occur each second in a waveform or signal, commonly used in electronics, audio, and communication systems.
ms
Ms or milliseconds are units of time equal to one-thousandth of a second. It is used to measure very short durations like the period of high-frequency signals, event timings, and response times in electronics and other technical fields.
Conversion FAQs
What does it mean when a signal has a frequency of 20 kHz?
A 20 kHz signal completes 20,000 cycles every second, meaning each cycle lasts 0.05 milliseconds, which is very rapid, often seen in high-frequency audio and communication applications.
Why is the period of 20 kHz so short?
Because frequency is inversely related to period, higher frequencies like 20 kHz mean each cycle is very brief, just 0.05 ms, allowing rapid oscillations essential for fast data transmission or high-frequency sounds.
Can I use this conversion for frequencies above 100 kHz?
Yes, the same formula applies for higher frequencies, but at very high levels, special considerations for measurement accuracy and equipment limitations are needed.
How does changing the frequency affect the period in milliseconds?
As frequency increases, the period decreases proportionally, making each cycle shorter. Conversely, lowering the frequency results in longer cycle durations.
Last Updated : 17 June, 2025
I’ve put so much effort writing this blog post to provide value to you. It’ll be very helpful for me, if you consider sharing it on social media or with your friends/family. SHARING IS ♥️
Sandeep Bhandari holds a Bachelor of Engineering in Computers from Thapar University (2006). He has 20 years of experience in the technology field. He has a keen interest in various technical fields, including database systems, computer networks, and programming. You can read more about him on his bio page.