关于本计算器
Solve PV = nRT for pressure, volume, moles or temperature in SI units.
理想气体
由PV=nRT求未知数。
所求值: P101.3825491 kPa
体积 (L)22.4 L
物质的量 (n)1 mol
温度 (K)273.15 K
RR = 8.314
常见问题
R value?
8.314 kPa·L/(mol·K) for these units.
Kelvin only?
Yes — use absolute temperature, never °C directly.
STP check?
1 mol at 273.15 K and 101.325 kPa ≈ 22.4 L verifies the tool.