660 Calories to BTU

Convert 660 calories (cal) to btu (BTU) with formulas, examples, and conversion tables.

cal
BTU
660 calories (cal) = 2.61732982011 btu (BTU)
Round to:
Step-by-Step Solution
1Write the conversion factor:
1 british thermal unit = 252.165391969 calories
2Divide the value by the conversion factor:
660 ÷ 252.165391969 = 2.61732982011
3Result:
660 calories (cal) = 2.61732982011 btu (BTU)
↔ BTU to Calories

Calories to BTU Conversion Table

CaloriesBTU
1 cal0.00396565 BTU
2 cal0.0079313 BTU
3 cal0.011897 BTU
4 cal0.0158626 BTU
5 cal0.0198283 BTU
10 cal0.0396565 BTU
20 cal0.079313 BTU
50 cal0.198283 BTU
100 cal0.396565 BTU
660 cal2.61733 BTU

660 Calories in Other Units

Unit660 cal =
Calories to Joules2761.44 J
Calories to Kilojoules2.76144 kJ
Calories to Megajoules0.00276144 MJ
Calories to Gigajoules2.76144e-6 GJ
Calories to Watt-hours0.767066666667 Wh
Calories to Kilowatt-hours0.000767066666667 kWh
Calories to Megawatt-hours7.67066666667e-7 MWh
Calories to Kilocalories0.66 kcal
Calories to BTU2.61732982011 BTU
Calories to Therms2.61734010877e-5 therm
Calories to Foot-pounds2036.73053945 ft·lb
Calories to Electronvolts1.72355166086e22 eV
Calories to Ergs2.76144e10 erg

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