Daidaitaccen yanayin matakin teku
Daidaitaccen yanayin matakin teku ( SSL ),  wanda kuma aka sani da ma'aunin matakin teku ( SLS ), yana bayyana saitin yanayin yanayi don lissafin jiki. An yi amfani da kalmar "madaidaicin matakin teku " don nuna cewa za a ɗauki ƙimar kadarorin su kasance daidai da waɗanda suke a matakin teku, kuma ana yin su ne don ayyana ƙimar da za a yi amfani da su a cikin lissafin gabaɗaya.

Yanayin 
A SSL wasu kaddarorin yanayi sune: 

 Pressure, P = 101.325 kPa ⇔ 2116.2 lbf/ft2 ⇔ 14.696 lbf/in2 ⇔ 29.92 inHg
 Density,  = 1.225 kg/m3  ⇔ 0.002377  slug/ft3
 Temperature, T = 15 °C ⇔ 288.15 K ⇔ 518.67 °R
 Gas constant of air, Rair = 287.057 J/(kg·K) ⇔ 1716.59  ft·lb/sl·°R)
 Specific Weight,  = 12.014 N/m3 ⇔ 0.07647 lbf/ft3
 Dynamic viscosity,  = 1.789×10−5 Pa·s  ⇔ 3.737×10−7 slug/(s·ft)
 Acceleration of gravity, g0 = 9.807 m/s2 ⇔ 32.174 ft/s2

Duba kuma 

 Sea level
 Sea level rise
 Standard temperature and pressure

Manazarta