Standard atmospheres to Hectopascals
1 atm ≈ 1,013 hPa. Edit either value to convert instantly.
Conversion formula
hPa = atm × (101,325) × (0.01)1 atm = 1,013.25 hPa
standard atmosphere (atm)
Standard atmosphere is a unit of pressure: 1 atm = 101,325 Pa.
Source: NIST SP 811, Appendix B.9: conversion factors by quantity
hectopascal (hPa)
Hectopascal is a unit of pressure: 1 hPa = 100 Pa.
Source: BIPM, The International System of Units (SI), 9th edition
Conversion table
| atm | hPa |
|---|---|
| = 1,013.25 | |
| = 2,026.5 | |
| = 5,066.25 | |
| = 10,132.5 | |
| ≈ 15,198.8 | |
| = 20,265 | |
| ≈ 25,331.3 | |
| = 30,397.5 | |
| = 40,530 | |
| ≈ 45,596.3 |
| atm | hPa |
|---|---|
| = 50,662.5 | |
| = 60,795 | |
| = 70,927.5 | |
| = 81,060 | |
| = 91,192.5 | |
| = 101,325 | |
| ≈ 151,988 | |
| = 162,120 | |
| ≈ 172,253 | |
| = 182,385 |
Frequently asked questions
How many hectopascals are in 1 standard atmosphere?
1 atm ≈ 1,013 hPa. hPa = atm × (101,325) × (0.01)
How do I convert atm to hPa?
hPa = atm × (101,325) × (0.01)
Is 1 standard atmosphere bigger than 1 hectopascal?
1 atm ≈ 1,013 hPa.
Related conversions
All quantities
LengthMass / weightVolumeTemperatureAreaSpeedTimeEnergyPowerData storageFuel economyAngleFrequencyForceTorqueDensityData transfer rateAccelerationElectric chargeElectric currentVoltageCapacitanceAbsorbed doseDynamic viscosityElectrical resistanceIlluminanceKinematic viscosityLuminanceMagnetic flux densityMass flow rateRadioactivityVolumetric flow rateElectrical conductanceEquivalent doseInductanceMagnetic fluxMolar concentrationSolution mass concentrationAmount of substanceAngular velocityCountLuminous fluxLuminous intensityMagnetic field strengthMagnetomotive forceAbsorbed dose rateRadiation exposureThermal conductivity