Skip to main content
Convert Calc

Kilohertz (kHz) to Hertz (Hz) Converter

Enter a value to instantly convert between frequency units.

Precision4 dp

1 Kilohertz = 1000 Hertz

Key Formulas

Hertz → Kilohertz

kHz = Hz × 0.001

Kilohertz → Hertz

Hz = kHz × 1000

Megahertz → Gigahertz

GHz = MHz × 0.001

Gigahertz → Megahertz

MHz = GHz × 1000

Formula

Hz = kHz × 1000

When you're reading audio or radio specifications in kilohertz but need to work with equipment or formulas that expect hertz, you need this conversion. Knowing the exact frequency in Hz helps you understand oscillation rates, AC power characteristics, and audio sampling requirements.

Source: ISO 80000-3:2019 (Space and time)

Frequently Asked Questions

Real-World Examples

One kilohertz. 1 kHz = 1,000 Hz (cycles per second). Used as a baseline for frequency ranges.

1 kHz = 1000 Hz

Upper human hearing limit. 20 kHz = 20,000 Hz. Audio equipment targeting humans often specifies 20 Hz - 20 kHz range.

20 kHz = 20000 Hz

High-frequency ultrasonic. 100 kHz = 100,000 Hz. Used in ultrasound and medical imaging.

100 kHz = 100000 Hz

Bluetooth frequency. 2.4 GHz = 2,400 MHz = 2,400,000 kHz. WiFi and Bluetooth operate here.

2.4 kHz = 2400 Hz