BTU to Kilocalories Conversion (BTU to kcal)

Published: 6/9/2021 Last updated: 6/9/2021

Warning: The energy needed to increase the temperature of 1 g of water by 1 °C varies depending on the starting temperature. and is in any case difficult to measure precisely. In this page we use the Thermochemical calorie = 4.184 joules. This value is used to calculate the Thermochemical Btu

Btu (Th)	Kilocalories (Th)
1	0.251995761
2	0.503991522
3	0.755987283
4	1.007983044
5	1.259978805
6	1.511974566
7	1.763970327
8	2.015966088
9	2.267961849
10	2.51995761
15	3.779936415
20	5.03991522
25	6.299894025
30	7.55987283
35	8.819851635
40	10.07983044
45	11.339809245
50	12.59978805
60	15.11974566
70	17.63970327
80	20.15966088
90	22.67961849
100	25.1995761
150	37.79936415
200	50.3991522
250	62.99894025
500	125.9978805
1000	251.995761

Kilocalories (Th)	Btu (Th)
1	3.96832072107753
2	7.93664144215505
3	11.9049621632326
4	15.8732828843101
5	19.8416036053876
6	23.8099243264652
7	27.7782450475427
8	31.7465657686202
9	35.7148864896977
10	39.6832072107753
15	59.5248108161629
20	79.3664144215505
25	99.2080180269382
30	119.049621632326
35	138.891225237713
40	158.732828843101
45	178.574432448489
50	198.416036053876
60	238.099243264652
70	277.782450475427
80	317.465657686202
90	357.148864896977
100	396.832072107753
150	595.248108161629
200	793.664144215505
250	992.080180269382
500	1984.16036053876
1000	3968.32072107753