Kalkulator Energi Kinetik
Hitung energi kinetik dari massa dan kecepatan, massa dari energi dan kecepatan, atau kecepatan dari energi dan massa (KE = ½mv²), dengan pemilih unit untuk J, kJ, MJ, kalori, kilokalori, Wh, kWh, eV, BTU, ft·lb, dan unit massa dan kecepatan umum.
Input
Setiap dua dari energi, massa, dan kecepatan menentukan yang ketiga.
Output
| Quantity | Value | Other units |
|---|---|---|
| No data yet | ||
Cara lain menggunakan alat ini
REST API
curl -X POST https://api.iotools.cloud/v1/tool/kinetic-energy-calculator \
-H "Authorization: Bearer YOUR_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"solveFor": "energy",
"energy": "9",
"energyUnit": "j",
"mass": "2",
"massUnit": "kg",
"velocity": "3",
"velocityUnit": "ms"
}'Ganti dengan kunci Anda sendiri dari akun Anda. Bidang alat menjadi isi permintaan — tanpa pembungkus.
Tanyakan ke agen AI
Use the IOTools `kinetic-energy-calculator` tool (Kinetic Energy Calculator) on this input:
YOUR_INPUT_HERETempelkan ini ke agen mana pun yang terhubung ke server MCP IOTools, lalu tambahkan input Anda.
Widget sematan
<iframe
src="https://iotools.cloud/embed/kinetic-energy-calculator/"
width="100%" height="520" frameborder="0" scrolling="no" loading="lazy"
title="Kalkulator Energi Kinetik — iotools.cloud"
sandbox="allow-scripts allow-forms allow-same-origin allow-downloads allow-popups allow-popups-to-escape-sandbox"
allow="clipboard-write"
style="width:100%;border:1px solid #e5e7eb;border-radius:12px;overflow:hidden"></iframe>
<script src="https://iotools.cloud/embed.js" async></script>Tempelkan ini di halaman Anda sendiri — gratis, tanpa kunci, cukup tautan balik.
| Biaya per panggilan API/MCP | Mulai dari 5 kredit |
|---|---|
| Butuh kredit lebih? | Lihat harga |
Juga tersedia melalui
Panduan
The Kinetic Energy Calculator solves KE = ½mv² — kinetic energy, mass, or velocity — pick the quantity you're missing, supply the other two, and it converts between J, kJ, MJ, cal, kcal, Wh, kWh, eV, BTU, ft·lb, and the common mass and velocity units along the way.
The formula
E = ½ × m × v²where E is kinetic energy, m is mass, and v is velocity. Rearranged for the other two quantities:
m = 2 × E ÷ v²
v = √(2 × E ÷ m)How to use it
- Pick what you want to Solve For — Kinetic Energy, Mass, or Velocity.
- Fill in the other two fields, each with its own unit picker: J, kJ, MJ, cal, kcal, Wh, kWh, eV, BTU, and ft·lb for energy; kg, g, mg, lb, oz, metric tons, and US (short) tons for mass; m/s, km/h, mph, ft/s, and knots for velocity.
- The result shows the solved value in every supported unit at once, so you don't need to run the calculator again just to see the same figure in kcal instead of joules.
Example
A 2 kg object moving at 3 m/s:
E = ½ × m × v² = ½ × 2 kg × (3 m/s)² = 9 JWhy does kinetic energy grow with the square of velocity?
Doubling an object's speed quadruples its kinetic energy, not just doubles it — that's why braking distance and crash severity rise so sharply with speed. A car going 60 mph carries four times the kinetic energy of the same car at 30 mph, not twice.
What's the difference between kinetic and potential energy?
Kinetic energy is the energy of motion (½mv²); potential energy is stored energy from position or state (like gravity or a stretched spring). A falling object trades potential energy for kinetic energy as it speeds up.
Privacy
All calculations run entirely in your browser. Your figures are never uploaded or stored.