Convert 120 Millihertz (mHz) to Gigahertz (GHz).

120 Millihertz equals 1.200000e-10 Gigahertz. Multiply 120 by 1.000000e-12.

120 Millihertz = 1.200000e-10 Gigahertz

Worked example: converting Millihertz to Gigahertz

Step 1 — start with the formula. GHz = mHz × 1.000000e-12
Step 2 — substitute your figure. 120 mHz × 1.000000e-12
Step 3 — read the result. 120 mHz = 1.200000e-10 GHz
Step 4 — check it in reverse. mHz = GHz × 1.000000e+12 returns 120 mHz, which matches the figure you started with.

Frequency Converter

13 units available

Decimals:

From

To

1.200000e-10

120 mHz = 1.200000e-10 GHz

Formula:

GHz = mHz × 1.000000e-12

With your value: 120 mHz = 1.200000e-10 GHz

Other Millihertz to Gigahertz conversions

85 mHz to GHz 90 mHz to GHz 96 mHz to GHz 100 mHz to GHz 150 mHz to GHz 200 mHz to GHz 500 mHz to GHz Full Millihertz to Gigahertz converter

Millihertz to Gigahertz Conversion Table

Millihertz (mHz)	Gigahertz (GHz)
0.5	5.000000e-13
1	1.000000e-12
2	2.000000e-12
5	5.000000e-12
10	1.000000e-11
15	1.500000e-11
20	2.000000e-11
25	2.500000e-11
50	5.000000e-11
100	1.000000e-10
250	2.500000e-10
500	5.000000e-10
1000	1.000000e-9

Gigahertz to Millihertz Conversion Table

Gigahertz (GHz)	Millihertz (mHz)
0.5	500,000,000,000
1	1.000000e+12
2	2.000000e+12
5	5.000000e+12
10	1.000000e+13
15	1.500000e+13
20	2.000000e+13
25	2.500000e+13
50	5.000000e+13
100	1.000000e+14
250	2.500000e+14
500	5.000000e+14
1000	1.000000e+15

Where these values come from

Every factor on this page is traced to the document that defines it. See the full provenance dataset or our methodology.

Millihertz (mHz)

Frequency

SI definition

Derived from the hertz (1 Hz = 1 s⁻¹), traceable to the SI second.

Source: BIPM, The International System of Units (SI), 9th edition, 2019 (updated 2024)

Bureau International des Poids et Mesures · Reviewed 2026-07-01

Gigahertz (GHz)

Frequency

SI definition

Derived from the hertz (1 Hz = 1 s⁻¹), traceable to the SI second.

Source: BIPM, The International System of Units (SI), 9th edition, 2019 (updated 2024)

Bureau International des Poids et Mesures · Reviewed 2026-07-01

How to Convert Millihertz to Gigahertz

To convert from Millihertz (mHz) to Gigahertz (GHz), multiply the value by 1.000000e-12.

Formula: GHz = mHz × 1.000000e-12

Reverse: mHz = GHz × 1.000000e+12

Step-by-Step Example

Start with your value in Millihertz. For example: 5 mHz
Multiply by the conversion factor: 5 x 1.000000e-12
The result is: 5.000000e-12 GHz

About Millihertz

The millihertz (mHz) is a unit of frequency. One millihertz equals 0.001 hertzs. UnitConvertLab converts it against every other frequency unit using this exact definition, so results are reproducible to full double precision rather than rounded lookup tables.

Common uses: frequency calculations, engineering and science, education.

About Gigahertz

The gigahertz (GHz) is a unit of frequency. One gigahertz equals 1.000000 × 10^+9 hertzs. UnitConvertLab converts it against every other frequency unit using this exact definition, so results are reproducible to full double precision rather than rounded lookup tables.

Common uses: frequency calculations, engineering and science, education.

Frequently Asked Questions

What is 120 Millihertz in Gigahertz?

120 Millihertz equals 1.200000e-10 Gigahertz.

How many Gigahertz are in 1 Millihertz?

There are exactly 1.000000e-12 Gigahertz in 1 Millihertz. This means the conversion factor from Millihertz to Gigahertz is 1.000000e-12.

What is the formula to convert Millihertz to Gigahertz?

The formula to convert Millihertz to Gigahertz is: GHz = mHz × 1.000000e-12. For example, to convert 10 Millihertz to Gigahertz, you would multiply 10 by 1.000000e-12.

What is a Millihertz?