Bilangan Mach
Embed This Widget
Add the script tag and a data attribute to embed this widget.
Embed via iframe for maximum compatibility.
<iframe src="https://unitfyi.com/iframe/glossary/mach-number/" width="420" height="400" frameborder="0" style="border:0;border-radius:10px;max-width:100%" loading="lazy"></iframe>
Paste this URL in WordPress, Medium, or any oEmbed-compatible platform.
https://unitfyi.com/glossary/mach-number/
Add a dynamic SVG badge to your README or docs.
[](https://unitfyi.com/glossary/mach-number/)
Use the native HTML custom element.
Definisi
Rasio kecepatan suatu benda terhadap kecepatan suara di medium sekitarnya.
Penjelasan
Mach 1 is the speed of sound (~343 m/s in air at 20°C). Mach 2 is twice the speed of sound. The exact speed varies with temperature and altitude.
RELATED ARTICLES
A complete guide to the four temperature scales in scientific and everyday use—Celsius, Fahrenheit, Kelvin, and Rankine—including their history, conversion formulas, and where they intersect.
Speed Units Guide: MPH, KM/H, Knots, and MachA complete reference for speed units used around the world — from everyday driving speeds to the velocity of light.
Energy Units Guide: Joules, Calories, BTU, and Kilowatt-HoursA complete reference for energy units across physics, food science, electrical engineering, and fuel — with key conversions and real-world examples.
RELATED TERMS
Nol Mutlak
Suhu terendah yang mungkin ada: 0 K, -273,15°C, atau -459,67°F.
Kalori
Satuan energi; kalori kecil (kal) memanaskan 1 g air sebesar 1°C, sedangkan Kalori makanan (kkal) sama dengan 1.000 kalori kecil.
Tahun Cahaya
Jarak yang ditempuh cahaya dalam satu tahun di ruang hampa: sekitar 9,461 triliun kilometer.
Elektronvolt
Satuan energi sama dengan energi kinetik yang diperoleh elektron yang dipercepat melalui beda potensial 1 volt.
Satuan Astronomi
Jarak rata-rata dari Bumi ke Matahari: 149.597.870.700 meter.