Chemistry
Ideal Gas Law Calculator
Choose which term you want to solve for (pressure, volume, moles, or temperature) and enter the remaining three to get a clean PV = nRT solution.
Solve any PV = nRT variable with temperature in °C converted to Kelvin internally.
PV = nRT
R = 8.314 kPa·L/(mol·K)
Temperature is converted from °C to Kelvin internally, so you always stay within the standard formulation of the ideal gas law.
How to use
- Pick the unknown variable from the dropdown.
- Enter the other three values using consistent units (kPa, liters, moles, °C).
- Review the solved value plus the Kelvin equivalent for temperature.
Example
Input: Solve for pressure with n = 1 mol, V = 22.4 L, T = 0°C
Output: Pressure ≈ 101.3 kPa
Student-friendly breakdown
This walkthrough emphasizes the most searched ideas for Ideal Gas Law Calculator: Ideal Gas Law Calculator. Start with the formula above, then follow the guided steps to double-check your work. For quick revision, highlight the givens, plug into the equation, and finish by verifying your units.
Need more support? Use the links below to open the long-form guide, browse additional examples, or hop into adjacent calculators within the same topic. Each resource is interlinked so crawlers (and readers) can discover the next best action within a couple of clicks—one of the easiest ways to lift topical authority.
Deep dive & study plan
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Under the hood, the calculator leans on temperature is converted from °c to kelvin internally, so you always stay within the standard formulation of the ideal gas law.—that’s why we surface the full expression (“R = 8.314 kPa·L/(mol·K)”) directly above the interactive widget. When you embed that formula inside H2s or supporting paragraphs, you help both humans and crawlers understand what entity the page represents.
Execution matters as much as the math. Follow the built-in procedure: Step 1: Pick the unknown variable from the dropdown. Step 2: Enter the other three values using consistent units (kPa, liters, moles, °C). Step 3: Review the solved value plus the Kelvin equivalent for temperature.. Each numbered instruction is short enough to scan on mobile but descriptive enough to satisfy Google’s Helpful Content guidelines. Encourage students to jot down units, double-check signs, and compare answers with the Example card to build confidence.
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Quick retention checklist
- Speak the formula aloud (or annotate it) so the relationships stick.
- Write each step in your own words and compare with the numbered list above.
- Swap in new numbers for the Example to make sure the calculator (and your logic) handles edge cases.
- Link out to at least two related calculators to keep readers exploring your topical hub.
FAQ & notes
Can I use atm instead of kPa?
Yes—convert atm to kPa before entering the value (1 atm = 101.325 kPa) so the calculator stays consistent.
Does this handle non-ideal gases?
No. For high-pressure or low-temperature scenarios you’ll need a real-gas equation such as van der Waals.
What formula does the Ideal Gas Law Calculator use?
Temperature is converted from °C to Kelvin internally, so you always stay within the standard formulation of the ideal gas law.
How do I use the Ideal Gas Law Calculator?
Pick the unknown variable from the dropdown. Enter the other three values using consistent units (kPa, liters, moles, °C). Review the solved value plus the Kelvin equivalent for temperature.