CalKit

Frequency/Wavelength Calculator

Calculate the relationship between frequency and wavelength.

m
주파수 (f) (전자기파)
1.0000GHz

전자기파 기준 (c = 3×10⁸ m/s)

상세 결과

전자기파 주파수1.0000 GHz
음파 주파수1143.3333 Hz
파장 (λ)0.3 m
빛의 속도 (c)3 × 10⁸ m/s
음속 (v)343 m/s
사용 공식f = v / λ

Overview

Calculate the relationship between frequency, period, wavelength, and wave speed. Applicable to electronics, acoustics, optics, telecommunications, and all fields involving wave phenomena.

Formula

Frequency = 1 ÷ Period  (f = 1 / T)
Period = 1 ÷ Frequency  (T = 1 / f)
Wave Speed = Frequency × Wavelength  (v = f × λ)
Wavelength = Wave Speed ÷ Frequency  (λ = v / f)

Units: Frequency (Hz), Period (s), Wavelength (m), Speed (m/s)

How to Use

  1. 1Enter the known value (frequency, period, or wavelength).
  2. 2If wave speed is needed, select the medium or enter the value directly.
  3. 3Click calculate to compute the remaining values.
  4. 4View the result in the appropriate unit (Hz, kHz, MHz, GHz).

Tips

  • ✔The audible frequency range is approximately 20 Hz to 20,000 Hz.
  • ✔The speed of light in a vacuum is approximately 3×10⁸ m/s.
  • ✔The speed of sound in air (20°C) is approximately 343 m/s.
  • ✔Wi-Fi operates on 2.4 GHz or 5 GHz bands.

FAQ

Q. What is the relationship between frequency and wavelength?

Frequency and wavelength are inversely proportional. From v = fλ, when wave speed is constant, higher frequency means shorter wavelength and vice versa.

Q. What do Hz, kHz, MHz, and GHz mean?

Hz (Hertz) is cycles per second. 1 kHz = 1,000 Hz, 1 MHz = 1,000,000 Hz, 1 GHz = 1,000,000,000 Hz. Radio uses MHz, while wireless communications commonly use GHz bands.

Q. What is the Doppler effect?

When a wave source approaches an observer, the observed frequency increases (wavelength shortens), and when it moves away, the frequency decreases (wavelength lengthens). An ambulance siren is a classic example.

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