Btu (th)からcal (th):
ご存知のように、1Btu (th)は251.99569789cal (th)に等しい (1 Btu (th) = 251.99569789 cal (th)).
国際英熱単位 (th)をカロリー (th)に変換するには、Btu (th)の数値に251.99569789を掛けます。
例: 25Btu (th)をcal (th)に変換する:
25 Btu (th) = 25 × 251.99569789 cal (th) = cal (th)
カロリー (th)を国際英熱単位 (th)に変換するには、cal (th)の数値を251.99569789で割ります。
例: 25cal (th)をBtu (th)に変換する:
25 cal (th) = 25 ÷ 251.99569789 Btu (th) = Btu (th)
ご存知のように、1cal (th)は0.0039683217Btu (th)に等しい（1 cal (th) = 0.0039683217 Btu (th)）。
カロリー (th)を国際英熱単位 (th)に変換するには、cal (th)の数値に0.0039683217を掛けます。
例: 45cal (th)をBtu (th)に変換する:
45 cal (th) = 45 × 0.0039683217 Btu (th) = Btu (th)
国際英熱単位 (th)をカロリー (th)に変換するには、Btu (th)の数値を0.0039683217で割ります。
例: 45Btu (th)をcal (th)に変換する:
45 Btu (th) = 45 ÷ 0.0039683217 cal (th) = cal (th)
| Btu (th)からJ | 1 Btu (th) = 1054.35 J |
| Btu (th)からkJ | 1 Btu (th) = 1.05435 kJ |
| Btu (th)からkW·h | 1 Btu (th) = 0.000292875 kW·h |
| Btu (th)からW·h | 1 Btu (th) = 0.292875 W·h |
| Btu (th)からcalorie (nutritional) | 1 Btu (th) = 0.2518271711 calorie (nutritional) |
| Btu (th)からhp·h (metric) | 1 Btu (th) = 0.0003981992 hp·h (metric) |
| Btu (th)からBtu | 1 Btu (th) = 0.9993309808 Btu |
| Btu (th)からGJ | 1 Btu (th) = 0.0000010543 GJ |
| Btu (th)からMJ | 1 Btu (th) = 0.00105435 MJ |
| Btu (th)からmJ | 1 Btu (th) = 1054350 mJ |
| Btu (th)からuJ | 1 Btu (th) = 1054350000 uJ |
| Btu (th)からnJ | 1 Btu (th) = 1054349999974 nJ |
| Btu (th)からaJ | 1 Btu (th) = 1.054349999E+21 aJ |
| Btu (th)からMeV | 1 Btu (th) = 6580735092498406 MeV |
| Btu (th)からkeV | 1 Btu (th) = 6580735092498405000 keV |
| Btu (th)からeV | 1 Btu (th) = 6.580735092E+21 eV |
| Btu (th)からerg | 1 Btu (th) = 10543500000 erg |
| Btu (th)からGW·h | 1 Btu (th) = 2.928749999E-10 GW·h |
| Btu (th)からMW·h | 1 Btu (th) = 2.928749999E-7 MW·h |
| Btu (th)からkW·s | 1 Btu (th) = 1.05435 kW·s |
| Btu (th)からW·s | 1 Btu (th) = 1054.35 W·s |
| Btu (th)からN·m | 1 Btu (th) = 1054.35 N·m |
| Btu (th)からhp·h | 1 Btu (th) = 0.0003927518 hp·h |
| Btu (th)からkcal (IT) | 1 Btu (th) = 0.2518271711 kcal (IT) |
| Btu (th)からkcal (th) | 1 Btu (th) = 0.2519956979 kcal (th) |
| Btu (th)からcal (IT) | 1 Btu (th) = 251.8271711 cal (IT) |
| Btu (th)からcal (th) | 1 Btu (th) = 251.99569789 cal (th) |
| Btu (th)からMBtu (IT) | 1 Btu (th) = 9.993309807E-7 MBtu (IT) |
| Btu (th)からTR·h | 1 Btu (th) = 0.0000832776 TR·h |
| Btu (th)からfuel oil equivalent @kiloliter | 1 Btu (th) = 2.62291596E-8 fuel oil equivalent @kiloliter |
| Btu (th)からfuel oil equivalent @barrel | 1 Btu (th) = 1.651786745E-7 fuel oil equivalent @barrel |
| Btu (th)からGton | 1 Btu (th) = 2.519956978E-16 Gton |
| Btu (th)からMton | 1 Btu (th) = 2.519956978E-13 Mton |
| Btu (th)からkton | 1 Btu (th) = 2.519956978E-10 kton |
| Btu (th)からton (explosives) | 1 Btu (th) = 2.519956978E-7 ton (explosives) |
| Btu (th)からdyn·cm | 1 Btu (th) = 10543500000 dyn·cm |
| Btu (th)からgf·m | 1 Btu (th) = 107513.77892 gf·m |
| Btu (th)からgf·cm | 1 Btu (th) = 10751377.892 gf·cm |
| Btu (th)からkgf·cm | 1 Btu (th) = 10751.377892 kgf·cm |
| Btu (th)からkgf·m | 1 Btu (th) = 107.51377892 kgf·m |
| Btu (th)からkp·m | 1 Btu (th) = 107.51377892 kp·m |
| Btu (th)からlbf·ft | 1 Btu (th) = 777.6486521 lbf·ft |
| Btu (th)からlbf·in | 1 Btu (th) = 9331.7838251 lbf·in |
| Btu (th)からozf·in | 1 Btu (th) = 149308.5412 ozf·in |
| Btu (th)からft·lbf | 1 Btu (th) = 777.6486521 ft·lbf |
| Btu (th)からin·lbf | 1 Btu (th) = 9331.7838251 in·lbf |
| Btu (th)からin·ozf | 1 Btu (th) = 149308.5412 in·ozf |
| Btu (th)からpdl·ft | 1 Btu (th) = 25020.105547 pdl·ft |
| Btu (th)からtherm | 1 Btu (th) = 0.0000099933 therm |
| Btu (th)からtherm (EC) | 1 Btu (th) = 0.0000099933 therm (EC) |
| Btu (th)からtherm (US) | 1 Btu (th) = 0.0000099957 therm (US) |
| Btu (th)からHartree energy | 1 Btu (th) = 241837361151830030000 Hartree energy |
| Btu (th)からRydberg constant | 1 Btu (th) = 483674722303660060000 Rydberg constant |
cal (th). 1Btu (th)は251.99569789 cal (th)に相当するので、cal (th)の9Btu (th)はcal (th)になります。
1Btu (th)の中に251.99569789cal (th)があります。それどころか、1cal (th)は0.0039683217Btu (th)に相当します。
1cal (th)は0.0039683217Btu (th)にほぼ等しいです。
8cal (th)の国際英熱単位 (th)値は、 Btu (th). (すなわち、) 8 x 0.0039683217 = Btu (th).
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