Charles's Law

Calculate Charles's Law instantly. Free online calculator with the exact formula, a worked example, and metric units. No signup required.

Charles's Law

V₁L
T₁K
T₂K
V₂
2.7326L
V₁/T₁ = V₂/T₂Calculate Charles's Law instantly. Free online calculator with the exact formula, a worked example, and metric units. No signup required.

More about: Charles's Law

What it calculates

The “Charles's Law” calculator computes V₂ in L from 3 parameters: v₁ (L), t₁ (K), t₂ (K).

A standard physics formula used in educational and engineering tasks.

Example calculation

With parameters V₁ = 2 L, T₁ = 273 K, T₂ = 373 K the result is 2.73 L (V₁/T₁ = V₂/T₂).

How to use

  1. Enter v₁, t₁ and t₂ — each field above is adjustable with a slider.
  2. V₂ (L) is calculated automatically as you type.
  3. Check the worked example below to see the formula applied to real numbers.
  4. Copy the result or bookmark this calculator.

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FAQ

How is Charles's Law calculated?
The Charles's Law calculator computes V₂ (in L) from v₁, t₁, t₂. Enter your values above and the exact formula is applied instantly; a worked example with real numbers is shown below.
Is the Charles's Law calculator free?
Yes. It is completely free, needs no signup, runs entirely in your browser, and sends no data to any server.

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