Celsius / Fahrenheit / Kelvin / Rankine.
C: 25.0000 F: 77.0000 K: 298.1500 R: 536.6700
Yes.
No.
B/KB/MB SI and IEC binary units.
Degrees, radians, gradians, turns.
km/L ↔ L/100km ↔ MPG.
mm/cm/m/km, in/ft/yd/mi/nmi, 尺/寸/間.