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Hertz to Megahertz Converter

Enter the value that you want to convert hertz (Hz) to megahertz (MHz) or megahertz to hertz.Also written as HZ to MHZ conversion.

1 hertz = 0.0000010 megahertz

Formula: megahertz = hertz value × 0.0000010

HZ to MHZhertz to megahertz

Hz
0.00001MHz

10 hertz = 0.00001 megahertz

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Hertz to Megahertz: The Essentials

What is Hertz?

Hertz (Hz) is a unit of frequency measurement. 1 hertz is equal to 0.0000010 megahertz.

About the Megahertz

Megahertz (MHz) is a unit of frequency measurement. 1 megahertz is equal to 1000000.0000000 hertz.

Frequency Conversion Applications

Frequency units span from hertz (cycles per second) through kilohertz (AM radio), megahertz (FM radio, processors), to gigahertz (Wi-Fi, 5G, microprocessors) and terahertz (scientific imaging). RPM to hertz conversion connects mechanical rotation to electrical frequency in generators and motors. Musicians convert between frequency (Hz) and musical pitch.

hertz to megahertz metric conversion table

0.01 Hz=0.00000 MHz
0.1 Hz=0.00000 MHz
1 Hz=0.00000 MHz
2 Hz=0.00000 MHz
3 Hz=0.00000 MHz
4 Hz=0.00000 MHz
5 Hz=0.00001 MHz
6 Hz=0.00001 MHz
7 Hz=0.00001 MHz
8 Hz=0.00001 MHz
9 Hz=0.00001 MHz
10 Hz=0.00001 MHz
11 Hz=0.00001 MHz
12 Hz=0.00001 MHz
13 Hz=0.00001 MHz
14 Hz=0.00001 MHz
15 Hz=0.00002 MHz
16 Hz=0.00002 MHz
17 Hz=0.00002 MHz
18 Hz=0.00002 MHz
19 Hz=0.00002 MHz
20 Hz=0.00002 MHz
30 Hz=0.00003 MHz
40 Hz=0.00004 MHz
50 Hz=0.00005 MHz
60 Hz=0.00006 MHz
70 Hz=0.00007 MHz
80 Hz=0.00008 MHz
90 Hz=0.00009 MHz
100 Hz=0.00010 MHz
200 Hz=0.00020 MHz
300 Hz=0.00030 MHz
400 Hz=0.00040 MHz
500 Hz=0.00050 MHz
600 Hz=0.00060 MHz
700 Hz=0.00070 MHz
800 Hz=0.00080 MHz
900 Hz=0.00090 MHz
1000 Hz=0.00100 MHz

How to Convert HZ to MHZ (Hertz to Megahertz)?

We can convert hertz to megahertz by using an example.

Example:

Convert 20 Hertz to Megahertz?

We know 1 Hertz = 0.0000010 megahertz; 1 Megahertz = 1000000.0000000 hertz.

20 hertz = ___MHz

20 × 0.0000010 = 0.00002 MHz (we know 1 hertz = 0.0000010 megahertz)

Answer:

20 hertz = 0.00002 megahertz

Converting Hertz to Megahertz for Electronics and RF Design

Megahertz (MHz) is the standard unit for radio frequencies, CPU clocks in older systems, and crystal oscillators. Since 1 MHz = 1,000,000 Hz, converting Hz to MHz requires dividing by one million. This conversion bridges the gap between low-frequency specifications and the MHz notation used in datasheets and FCC filings.

  1. Start with the frequency in Hz.
  2. Divide by 1,000,000 (one million).
  3. The result is the frequency in MHz.
  4. Example: 27,000,000 Hz ÷ 1,000,000 = 27 MHz.
💡 Tip: Move the decimal six places to the left. Alternatively, divide by 1,000 twice (Hz → kHz → MHz).

Hz to MHz Common Conversions

Frequencies from various domains expressed in both Hz and MHz:

HertzMegahertz
1,000,000 Hz1 MHz
3,579,545 Hz3.58 MHz
8,000,000 Hz8 MHz
13,560,000 Hz13.56 MHz
16,000,000 Hz16 MHz
27,120,000 Hz27.12 MHz
100,000,000 Hz100 MHz
433,920,000 Hz433.92 MHz

Solved Examples: Hz to MHz

Question 1: An NFC tag operates at 13,560,000 Hz. Express in MHz.

Solution:

MHz = Hz ÷ 1,000,000

= 13,560,000 ÷ 1,000,000

= 13.56 MHz

Answer: 13,560,000 Hz = 13.56 MHz — the global NFC/RFID standard frequency.

Question 2: A microcontroller crystal runs at 48,000,000 Hz. Convert to MHz.

Solution:

MHz = Hz ÷ 1,000,000

= 48,000,000 ÷ 1,000,000

= 48 MHz

Answer: 48,000,000 Hz = 48 MHz — common for ARM Cortex-M microcontrollers.

Question 3: A VHF marine radio channel is at 156,800,000 Hz. What is this in MHz?

Solution:

MHz = Hz ÷ 1,000,000

= 156,800,000 ÷ 1,000,000

= 156.8 MHz

Answer: 156,800,000 Hz = 156.8 MHz — VHF Channel 16, the international maritime distress frequency.

Practice: Hz to MHz

Try solving these on your own to test your understanding:

  1. Convert 72,000,000 Hz to MHz. (Answer: 72 MHz)
  2. A GPS signal is at 1,575,420,000 Hz. Express in MHz. (Answer: 1575.42 MHz)
  3. Convert 315,000,000 Hz to MHz. (Answer: 315 MHz)
  4. An oscillator runs at 25,000,000 Hz. What is this in MHz? (Answer: 25 MHz)
  5. Convert 2,400,000 Hz to MHz. (Answer: 2.4 MHz)

Why MHz Dominates in RF Engineering

Radio frequency engineers use MHz because most practical RF work falls in the 1–3,000 MHz range (1 MHz to 3 GHz). This encompasses AM/FM radio, TV broadcasting, cellular bands, Wi-Fi, Bluetooth, GPS, and most satellite communications. Writing these in Hz would require 6–9 digit numbers, while kHz would still need 3–6 digits. MHz keeps numbers in the manageable 1–3,000 range.

Crystal Oscillator Frequencies: Common MHz Values

Electronics designers choose specific crystal frequencies for practical reasons: 3.579545 MHz (NTSC color burst, widely available), 8 MHz and 16 MHz (convenient for microcontrollers), 11.0592 MHz (generates exact UART baud rates), 12 MHz (USB full-speed), 14.318 MHz (PC graphics), 25 MHz (Ethernet PHY), and 48 MHz (USB full-speed clock). Each serves a specific protocol requirement.

Key Takeaways

  • 1 Hz = 0.000001 MHz (divide Hz by 1,000,000).
  • Move the decimal six places left to convert Hz to MHz.
  • MHz is the standard notation for radio frequencies and crystal oscillators.
  • Common microcontroller clocks range from 8 MHz to 200+ MHz.
  • The FM radio band spans approximately 87.5–108 MHz.

Hertz to Megahertz Conversion Formula

megahertz = hertz × 0.0000010

1 hertz = 0.0000010 megahertz

1 megahertz = 1000000.0000000 hertz

Reverse: hertz = megahertz × 1000000.0000000

Frequently Asked Questions

How many megahertz are in 1 hertz?

There are 0.0000010 megahertz in 1 hertz. To convert hertz to megahertz, multiply the value by 0.0000010.

How do I convert hertz to megahertz?

Multiply your hertz value by 0.0000010 to get the equivalent in megahertz. For example, 5 hertz = 5 × 0.0000010 = 0.00001 megahertz.

How do I convert megahertz to hertz?

Multiply your megahertz value by 1000000.0000000 to get the equivalent in hertz. Alternatively, divide by 0.0000010.

What is 10 hertz in megahertz?

10 hertz is equal to 0.00001 megahertz.

What is 100 hertz in megahertz?

100 hertz is equal to 0.00010 megahertz.