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Calculadora da Lei de Ohm — Ferramenta online grátis

V = I vezes R — resolva qualquer uma das três

Resolva Lei de Ohm: Tensão, Corrente, Resistência, Potência. Insira 2 valores, receba os outros. Para eletrônica.

Enter any 2 values — the others compute automatically

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Ohms Law calculator

V = I × R. Enter any 2 values, solve for the other 2.

How to use this tool

  1. 1

    Enter any 2 values

    Voltage (V), Current (I), Resistance (R), or Power (P).

  2. 2

    See the other 2

    Computed instantly using Ohms Law.

  3. 3

    Verify formulas

    Shows calculation steps.

Frequently Asked Questions

What is Ohms Law?
V = I × R. Voltage equals current times resistance. Power adds: P = V × I = I² × R = V²/R.
When to use it
Electronics design, PCB layout, LED current limiting, speaker impedance, battery life estimation.

Pontos-chave

  • Ohms Law Calculadora is a free, browser-based calculator tool — v = i times r — solve for any of the three.
  • Não signup, no downloads, no file uploads — your data stays on your device.
  • Works on desktop, tablet, and mobile. Install as a PWA for offline access.

How to Use Ohms Law Calculadora

  1. Open the tool: Launch Ohms Law Calculadora on Ferramentaolis — no account or download needed.
  2. Enter your data: Paste text, enter values, or select a file directly in your browser.
  3. Get instant results: Everything is processed locally — results appear immediately.
  4. Copy or download: Save your output or share it. Bookmark for quick access next time.

Ohms Law Calculadora — Quick Facts

Preço
Grátis — sem limites, sem marca d’água, sem paywall
Privacidade
100% no navegador — nenhum dado é enviado a servidores
Plataforma
Qualquer navegador moderno — desktop, tablet ou celular
Categoria
Calculadora Ferramentas on Ferramentaolis
Offline
Works offline after first visit (Progressive Web App)
RecursoDetalhes
FerramentaOhms Law Calculadora
CategoriaCalculadora
Cadastro necessárioNão
Upload de arquivoNenhum — processado no navegador
Suporte mobileTotalmente responsivo
CustoGrátis para sempre

Why Use Ohms Law Calculadora?

You should try Ohms Law Calculadora for a quick, private way to v = i times r — solve for any of the three. All processing happens in your browser. Your files and data never leave your device. According to web.dev, client-side processing is the gold standard for privacy.

On the other hand, dedicated APIs or desktop tools suit batch processing better. They also handle server-side automation. For everyday tasks, browser tools offer the best speed, privacy, and convenience.

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100% Privacidade. Esta ferramenta funciona inteiramente no seu navegador. Seus dados nunca são enviados a nenhum servidor.