千卡
大卡即为千卡（kilocalorie，简写为kcal），是国际热量单位。1千卡等于1000卡，是1千克的水温度升高1℃所需的热量。
千焦
千焦是国际单位的热量和做功的单位，千焦指一千焦耳。现在常用千焦衡量食物所含的的热量和某种运动单位时间消耗的热量。
千卡转千焦换算表
千卡 (kcal)千焦 (kJ)
0.1 kcal0.418585 kJ
0.5 kcal2.092926 kJ
1 kcal4.185852 kJ
1.5 kcal6.278778 kJ
2 kcal8.371704 kJ
3 kcal12.557555 kJ
4 kcal16.743407 kJ
5 kcal20.929259 kJ
6 kcal25.115111 kJ
7 kcal29.300963 kJ
8 kcal33.486815 kJ
9 kcal37.672666 kJ
10 kcal41.858518 kJ
11 kcal46.04437 kJ
12 kcal50.230222 kJ
13 kcal54.416074 kJ
14 kcal58.601925 kJ
15 kcal62.787777 kJ
16 kcal66.973629 kJ
17 kcal71.159481 kJ
18 kcal75.345333 kJ
19 kcal79.531185 kJ
20 kcal83.717036 kJ
25 kcal104.646296 kJ
30 kcal125.575555 kJ
35 kcal146.504814 kJ
40 kcal167.434073 kJ
45 kcal188.363332 kJ
50 kcal209.292591 kJ
千卡 (kcal)千焦 (kJ)
55 kcal230.22185 kJ
60 kcal251.151109 kJ
65 kcal272.080368 kJ
70 kcal293.009627 kJ
75 kcal313.938887 kJ
80 kcal334.868146 kJ
85 kcal355.797405 kJ
90 kcal376.726664 kJ
95 kcal397.655923 kJ
100 kcal418.585182 kJ
150 kcal627.877773 kJ
200 kcal837.170364 kJ
250 kcal1046.462955 kJ
300 kcal1255.755546 kJ
350 kcal1465.048137 kJ
400 kcal1674.340728 kJ
450 kcal1883.633319 kJ
500 kcal2092.92591 kJ
550 kcal2302.218501 kJ
600 kcal2511.511093 kJ
650 kcal2720.803684 kJ
700 kcal2930.096275 kJ
750 kcal3139.388866 kJ
800 kcal3348.681457 kJ
850 kcal3557.974048 kJ
900 kcal3767.266639 kJ
950 kcal3976.55923 kJ
1000 kcal4185.851821 kJ
5000 kcal20929.259104 kJ