MHz to Hz – Megahertz to Hertz Converter

📏 Megahertz to Hertz Converter

Convert megahertz (MHz) to hertz (Hz) instantly, with the formula, a worked example and a conversion table.

Quick answer: 1 megahertz (MHz) = 1,000,000 hertz (Hz). Formula: Hz = MHz × 1,000,000.

Updated October 2026 · Free · No sign-up · Works on any device

Value

From

1 MHz =

1,000,000 Hz

Hz = MHz × 1,000,000

1 megahertz = 1,000,000 Hz · Hz to MHz

Megahertz to Hertz conversion table

Megahertz (MHz)	Hertz (Hz)
0.1 MHz	100,000 Hz
0.5 MHz	500,000 Hz
1 MHz	1,000,000 Hz
2 MHz	2,000,000 Hz
3 MHz	3,000,000 Hz
5 MHz	5,000,000 Hz
10 MHz	10,000,000 Hz
20 MHz	20,000,000 Hz
25 MHz	25,000,000 Hz
50 MHz	50,000,000 Hz
100 MHz	100,000,000 Hz
1,000 MHz	1,000,000,000 Hz

Other frequency conversions

MHz to Hz MHz to kHz MHz to GHz MHz to rpm

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How to convert megahertz to hertz

Multiply the number of megahertz by 1,000,000 to get hertz: Hz = MHz × 1,000,000.

Example: 5 MHz = 5,000,000 Hz.

The megahertz (MHz) and the hertz (Hz) are both units of frequency. Need the opposite direction? Use the Hz to MHz converter.

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Metric and imperial units

The metric system (SI) is used by almost every country and by science worldwide. Its units scale by powers of ten – 1 kilometer is 1,000 meters, 1 meter is 100 centimeters – which makes conversions inside the system easy. The imperial and US customary systems (inches, feet, pounds, gallons) are still used daily in the United States and partly in the UK.

Since 1959 the inch has been defined as exactly 2.54 centimeters and the pound as exactly 0.45359237 kilograms, so conversions between the two systems are exact. Note that a US gallon (3.785 L) and an imperial gallon (4.546 L) are different – choose the right one above.

This converter covers 18 categories and 106 units: length, weight, temperature, volume, area, speed, time, data, energy, pressure, power, angle, force, torque, frequency, flow rate, illuminance, density.

Frequently asked questions

How many hertz are in a megahertz?

1 megahertz = 1,000,000 hertz.

How do I convert megahertz to hertz?

Use the formula Hz = MHz × 1,000,000. For example, 5 MHz = 5,000,000 Hz.

How do I convert hertz back to megahertz?

1 hertz = 0.000001 megahertz. Use the Hz to MHz converter linked on this page.

Are these conversions exact?

Yes – all factors use the internationally defined values (for example 1 inch = 2.54 cm exactly, 1 pound = 0.45359237 kg exactly). Results are rounded to 8 significant digits for display.