SERVICE DATEN / SERVICE DATA
52 801 850.00 de/us
Kraft-, Energie- und Leistungsgr»o˚ en
Quantities of force, energy and power
Gr»o˚ e Formel Einheit Umrechnung Erl»auterungen
zeichen Unit Conversion und
Bemerkungen
Quantity Symbol alt old neu new F»ur genaue f»ur »uber- Explanations
Rechnungen schl»agige and
Rechnungen Remarks
SI-Einheit Auswahl (2 % Unge-
SI-Units weitere naugikeit)
Einheiten
Selection of for exact for rough
additional calculation calculation
units appr. 2 %
inexact
Kraft F (dyn, p) N (Newton) MN, kN, 1 kp = 1 kg x 1 kp = 10 N 1 N = 1 kg x
Force (njuten) mN 9,81m/s
2
= 1 m/s
2
=
9,81 N 1 kg m/s
2
Druck (von Fluiden) P, Pi, (kp/cm
2
,at,atm,) N/m
2
, bar, mbar 1 kp/cm
2
= 1 kp/cm
2
=1 bar 1 N/m
2
=1 Pa
Pressure (of fluids) 0,981 bar
P
e
, (mWS, Torr,) Pa (Pascal) 1 atm = 1 mWS = 1Pa = 10
-5
bar
1,013 bar 0,1 bar
P
»u
,P
u
(mmHg) 1 mWS = 1 bar =
0,098 bar 10
5
N/m
2
Mechanische Spannung (kp/cm
2
,N/m
2
,pa N/mm
2
1kp/mm
2
= 1 kp/mm
2
=1N/m
2
=1Pa
Mechanical stress kp/mm
2
) 9,81 N/mm
2
10 N/mm
2
1kp/cm
2
= 1 kp/cm
2
=
9,81 N/mm
2
10 N/cm
2
Energie, Arbeit W (kpm) J (Joule) MJ, kJ, 1 kpm = 9,81 J 1 kpm = 10 J 3,6 MJ =
Energy (dschul) kW h 1 kWh
1J=1NM=1
Ws
W»armemenge Q (cal, erg) J (Joule) MJ, kJ, 1 kcal = 3,6 MJ =
Heat capacity (dschul) kW h 4,19 kJ 1 kW h
1J=1Nm=1
Ws
Leistung P (PS), W W kW, MW 1 PS = 1 PS = 1 W =1 J/s =
Power 0,735499 kW 0,74 kW 1 Nm/s
1kW= 1kW=1,36PS
1,359622 PS
Dreh-Biegemoment M (kp m) Nm N cm 1 kp m = 1 kp m =
Torque, bending moment 9,81 N m 10 N m