Převody jednotek SI 01
Tabulky uvádí převody jednotek SI veličin tlaku, energie a výkonu, například pascaly na bary, jouly na kilokalorie (kcal).
Reklama
TLAK | [Pa] | [kp/m2] | [kp/cm2] | [Torr] | [bar] |
---|---|---|---|---|---|
1 Pa = 1 N/m2 | 1 | 0,1019716 | 1,09716·10-5 | 7,50064·10-3 | 10-5 |
1 kp/m2 = 1 mm H2O | 10 | 1 | 10-4 | 0,0735559 | 9,80665·10-5 |
1 kp/cm2 = at | 98 066,5 | 104 | 1 | 735,559 | 0,980665 |
1 Torr = 1 mm Hg | 133,322 | 13,5951 | 1,35951·10-3 | 1 | 1,33322·10-3 |
1 bar | 105 | 10 197,16 | 1,019716 | 750,064 | 1 |
ENERGIE | [J] | [kcal] | [W·h] | [kp·m] | [kW·h] |
---|---|---|---|---|---|
1 J = 1 Ws | 1 | 2,38846·10-4 | 2,77778·10-4 | 0,1019716 | 2,77778·10-7 |
1 kcal | 4 168,80 | 1 | 1,163 | 426,935 | 1.163·10-3 |
1 Wh | 3 600 | 0,859845 | 1 | 367,098 | 10-3 |
1 kpm | 9,80665 | 2,34228·10-3 | 2,72407·10-3 | 1 | 2,72407·10-6 |
1 kWh | 3 600·103 | 859,845 | 103 | 3,67098·10-5 | 1 |
VÝKON | [W] | [cal/s] | [kcal/h] | [k] | [kp·m/s] |
---|---|---|---|---|---|
1 W = 1 J/s | 1 | 0,238846 | 0,859845 | 1,35962·10-3 | 0,1019716 |
1 cal/s | 4,1868 | 1 | 3,6 | 5,69246·10-3 | 0,426935 |
1 kcal/h | 1,163 | 0,277778 | 1 | 1,58124·10-3 | 0,118593 |
1 k | 735,499 | 175,671 | 632,415 | 1 | 75 |
1 kpm/s | 9,80665 | 2,34228 | 8,4322 | 1,333·10-2 | 1 |
Poznámky:
Normy:
Pomůcka k ČSN 01 1300, Praha 1975