⚡
무료 Ohm's Law Calculator
Enter any two of voltage, current, resistance, and power — the other two are solved instantly using Ohm's law (V=IR) and the power equation (P=VI).
Runs in your browserNo sign-up, no pop-ups로그인 불필요영원히 무료
V
A
Ω
W
Enter any two values and the other two are solved automatically
💡 Ohm's law: V = I × R. Power adds P = V × I. Knowing any two lets you derive the rest — handy for sizing resistors, checking LED current, or working out heat dissipation.
Optimize for your platform
사용 방법
1
입력
텍스트나 데이터를 입력하세요.
2
처리
브라우저에서 즉시 처리됩니다. 서버 없음, 대기 없음.
3
다운로드
결과를 저장하세요. 아무것도 저장되지 않습니다.
왜 저희 도구인가요?
✓Completely free — no hidden costs, ever
✓No account, email, or login required
✓Runs entirely in your browser — no uploads
✓Works on any device — phone, tablet, desktop
✓Open and ad-supported, with no tracking
✓Loads fast, with no installation needed
관련 도구
이 도구가 도움이 되었나요?