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Gigahertz to Hertz Converter

Free Frequency Converter, Convert Hz, kHz, MHz, GHz, THz & RPM Instantly

1Gigahertz=1000000000Hertz
1 Hertz = 1.000000e-9 Gigahertz

Gigahertz

Symbol
GHz
System
Metric/Imperial
Dimension
Various

Hertz

Symbol
Hz
System
Metric/Imperial
Dimension
Various

Quick Reference Table

GigahertzHertzHertzGigahertz
1100000000011.000000e-9
22.000000e+922.000000e-9
33.000000e+933.000000e-9
55.000000e+955.000000e-9
101.000000e+10101.000000e-8
252.500000e+10252.500000e-8
505.000000e+10505.000000e-8
1001.000000e+111001.000000e-7
5005.000000e+115005.000000e-7
10001.000000e+1210000.000001

Conversion Formula

Hertz = Gigahertz × 1000000000

Gigahertz = Hertz × 1.000000e-9

Factors are from BIPM SI brochure and NIST SP 811, stored unrounded and computed via a base unit. Reverse factor is 1 ÷ 1000000000.

How to convert Gigahertz to Hertz

Multiply the value in gigahertz by 1000000000 to get hertz. For example, 5 Gigahertz = 5.000000e+9 Hertz. All results in the frequency converter update instantly as you type, so you can see every unit at once without manual math.

Common mistakes

Do not round the factor to 1000 too early — keep full precision until the final display. For frequency, always verify critical calculations (medicine, engineering) with a second source.

FAQ

How many Hertz in 1 Gigahertz?
1 Gigahertz = 1000000000 Hertz.
How many Gigahertz in 1 Hertz?
1 Hertz = 1.000000e-9 Gigahertz.
What is the source?
BIPM/NIST via OmniConverter base-unit engine. Source table and formula above are exact.

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