Skip to main content
Calkulon

Vitendo

Ohm's Law Calculator

Maelezo ya kigezo

V= voltage (volts)I= current (amperes)R= resistance (ohms Ω)P= power (watts)

Ohm's law

The fundamental relationship.

Solve for any variable

Current
Resistance

Power formulas

Three equivalent forms of the power equation.

From V and I
From I and R
From V and R

Mwongozo wa kina unakuja hivi karibuni

Tunafanya kazi kwenye mwongozo wa kielimu wa kina wa Ohm's Law Calculator. Rudi hivi karibuni kwa maelezo ya hatua kwa hatua, fomula, mifano halisi, na vidokezo vya wataalamu.

💡

Kidokezo cha Pro

Most household circuits are 15A (US) or 20A. A 15A/120V circuit can handle up to 1,800W. Running appliances above this trips the circuit breaker.

Ugumu:Mwanzo

Je, ulijua?

Georg Ohm published his law in 1827. It was initially rejected by scientists — the Royal Society awarded him the Copley Medal 14 years later once it was proven experimentally valid.

Mathematically verified
Reviewed May 2026
Used 44K+ times
Our methodology
🔒
100% Bure
Hakuna usajili
Sahihi
Mifumo iliyothibitishwa
Papo Hapo
Matokeo unapoandika
📱
Tayari kwa Simu
Vifaa vyote

Mipangilio

FaraghaMashartiKuhusu© 2026 Calkulon