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压力与压强 换算器
转换帕斯卡、巴、PSI、标准大气压 (atm)、托以及毫米汞柱。
ui.popularConversions - 压力与压强
磅/平方英寸 (psi) 到 巴 (bar) → 巴 (bar) 到 磅/平方英寸 (psi) → 千帕斯卡 (kPa) 到 磅/平方英寸 (psi) → 磅/平方英寸 (psi) 到 千帕斯卡 (kPa) → 标准大气压 (atm) 到 磅/平方英寸 (psi) → 巴 (bar) 到 标准大气压 (atm) → 毫米汞柱 (mmHg / 托) 到 托 (Torr) → 英寸汞柱 (inHg) 到 磅/平方英寸 (psi) → 英寸水柱 (inH2O) 到 磅/平方英寸 (psi) → 毫米水柱 (mmH2O) 到 帕斯卡 (Pa) → 兆帕斯卡 (MPa) 到 磅/平方英寸 (psi) → 千克力/平方厘米 (kgf/cm²) 到 巴 (bar) → 磅/平方英寸 (psi) 到 磅/平方英尺 (psf) → 毫托 (mTorr) 到 托 (Torr) →
参考与转换系数
压力与压强 参考与转换系数
基础基准单位： 帕斯卡 (Pa) (Pa)
| 单位名称 | 符号 | 分类 | 等值于 帕斯卡 (Pa) | 描述 |
|---|---|---|---|---|
| 吉帕斯卡 (GPa) | GPa | 🔹 SI / Metric Units | 1 GPa = 1,000,000,000 Pa | 1 gigapascal = 1,000,000,000 Pa = 1,000 MPa (used in geophysics & materials) |
| 兆帕斯卡 (MPa) | MPa | 🔹 SI / Metric Units | 1 MPa = 1,000,000 Pa | 1 megapascal = 1,000,000 Pa = 1 N/mm² (structural & material strength) |
| 千帕斯卡 (kPa) | kPa | 🔹 SI / Metric Units | 1 kPa = 1,000 Pa | 1 kilopascal = 1,000 Pa = 10 hPa (common metric pressure unit) |
| 百帕斯卡 (hPa) | hPa | 🔹 SI / Metric Units | 1 hPa = 100 Pa | 1 hectopascal = 100 Pa = 1 mbar (meteorology / atmospheric pressure) |
| 帕斯卡 (Pa) | Pa | 🔹 SI / Metric Units | 1 Pa = 1 Pa | SI base derived unit of pressure (1 Newton per square meter: 1 N/m²) |
| 毫帕斯卡 (mPa) | mPa | 🔹 SI / Metric Units | 1 mPa = 0.001 Pa | 1 millipascal = 0.001 Pa = 10⁻³ Pa (low-pressure acoustics & sensors) |
| 巴 (bar) | bar | 📊 Bar-Based Units | 1 bar = 100,000 Pa | 1 bar = 100,000 Pa = 100 kPa = 0.1 MPa ≈ 0.9869 atm |
| 毫巴 (mbar) | mbar | 📊 Bar-Based Units | 1 mbar = 100 Pa | 1 millibar = 100 Pa = 1 hPa = 0.001 bar (meteorological barometers) |
| 微巴 (μbar) | µbar | 📊 Bar-Based Units | 1 µbar = 0.1 Pa | 1 microbar = 0.1 Pa = 10⁻⁶ bar = 1 dyne/cm² = 1 Ba |
| 标准大气压 (atm) | atm | 🌐 Atmosphere Units | 1 atm = 101,325 Pa | 1 standard atmosphere = 101,325 Pa = 1.01325 bar = 760 Torr |
| 工程大气压 (at) | at | 🌐 Atmosphere Units | 1 at = 98,066.5 Pa | 1 technical atmosphere = 1 kgf/cm² = 98,066.5 Pa ≈ 0.9678 atm |
| 厘米汞柱 (cmHg) | cmHg | 🧪 Mercury-Column Units | 1 cmHg = 1,333.22387415 Pa | 1 cmHg = 10 mmHg ≈ 1,333.224 Pa |
| 毫米汞柱 (mmHg / 托) | mmHg | 🧪 Mercury-Column Units | 1 mmHg = 133.32238742 Pa | 1 mmHg = pressure of 1 mm column of mercury ≈ 133.322 Pa (blood pressure) |
| 英寸汞柱 (inHg) | inHg | 🧪 Mercury-Column Units | 1 inHg = 3,386.38866667 Pa | 1 inHg (at 0°C) = 25.4 mmHg ≈ 3,386.389 Pa (aviation altimeters & weather) |
| 米水柱 (mH2O) | mH₂O | 💧 Water-Column Units (HVAC & Fluids) | 1 mH₂O = 9,806.65 Pa | 1 mH₂O (at 4°C) = 1,000 mmH₂O = 9,806.65 Pa ≈ 0.09807 bar (pump head) |
| 厘米水柱 (cmH2O) | cmH₂O | 💧 Water-Column Units (HVAC & Fluids) | 1 cmH₂O = 98.0665 Pa | 1 cmH₂O = 10 mmH₂O = 98.0665 Pa (medical ventilation & CPAP) |
| 毫米水柱 (mmH2O) | mmH₂O | 💧 Water-Column Units (HVAC & Fluids) | 1 mmH₂O = 9.80665 Pa | 1 mmH₂O (at 4°C) = 9.80665 Pa = 1 kgf/m² (low differential pressure) |
| 英尺水柱 (ftH2O) | ftH₂O | 💧 Water-Column Units (HVAC & Fluids) | 1 ftH₂O = 2,989.06692 Pa | 1 ftH₂O (at 4°C) = 12 inH₂O = 2,989.067 Pa ≈ 0.4335 psi (water column head) |
| 英寸水柱 (inH2O) | inH₂O | 💧 Water-Column Units (HVAC & Fluids) | 1 inH₂O = 249.08891 Pa | 1 inH₂O (at 4°C) = 25.4 mmH₂O ≈ 249.089 Pa (HVAC duct pressure & draft) |
| 千磅/平方英寸 (ksi) | ksi | 🏛️ Imperial & US Customary | 1 ksi = 6,894,757.293168 Pa | 1 ksi = 1,000 psi = 6,894.757 kPa ≈ 6.895 MPa (materials & tensile strength) |
| 磅/平方英寸 (psi) | psi | 🏛️ Imperial & US Customary | 1 psi = 6,894.75729317 Pa | 1 psi = 1 lbf/in² = 144 psf ≈ 6,894.757 Pa (tire pressure, hydraulics) |
| 磅/平方英尺 (psf) | psf | 🏛️ Imperial & US Customary | 1 psf = 47.88025898 Pa | 1 psf = 1/144 psi ≈ 47.880 Pa (structural building roof & floor loads) |
| 托 (Torr) | Torr | 🔬 Torr & Vacuum Units | 1 Torr = 133.32236842 Pa | 1 Torr = 1/760 standard atmosphere = 101,325/760 Pa ≈ 133.322 Pa |
| 毫托 (mTorr) | mTorr | 🔬 Torr & Vacuum Units | 1 mTorr = 0.13332237 Pa | 1 mTorr = 0.001 Torr = 1 micron of Hg ≈ 0.13332 Pa (high-vacuum systems) |
| 巴里 (CGS单位 Ba) | Ba | ⚡ Dyne & CGS Units | 1 Ba = 0.1 Pa | CGS base pressure unit: 1 Ba = 1 dyn/cm² = 0.1 Pa = 1 µbar |
| 达因/平方厘米 | dyn/cm² | ⚡ Dyne & CGS Units | 1 dyn/cm² = 0.1 Pa | 1 dyn/cm² = 1 Barye = 0.1 Pa = 10⁻⁶ bar = 1 µbar |
| 千克力/平方厘米 (kgf/cm²) | kgf/cm² | ⚙️ Other Engineering Units | 1 kgf/cm² = 98,066.5 Pa | 1 kgf/cm² = 98,066.5 Pa = 0.980665 bar = 1 technical atmosphere (at) |
| 千克力/平方米 (kgf/m²) | kgf/m² | ⚙️ Other Engineering Units | 1 kgf/m² = 9.80665 Pa | 1 kgf/m² = 9.80665 Pa = 1 mmH₂O |
| 磅力/平方英寸 (lbf/in²) | lbf/in² | ⚙️ Other Engineering Units | 1 lbf/in² = 6,894.75729317 Pa | 1 lbf/in² = 1 psi ≈ 6,894.757 Pa |
| 磅力/平方英尺 (lbf/ft²) | lbf/ft² | ⚙️ Other Engineering Units | 1 lbf/ft² = 47.88025898 Pa | 1 lbf/ft² = 1 psf ≈ 47.880 Pa |