Convert 21 Joules to Calories

How much energy is 21 joules? How many nutritional calories are in 21 joules? 21 J to kcal conversion.
Amount
From
To
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21 Joules ≈
0.0050191205 Nutritional Calories
result rounded
Decimal places
Result in Plain English
21 joules is equal to about 5.02 thousandths of a Calorie.
To a Percentage
21 joules ≈ 0.502% of a Calorie.
Result as a Fraction
21 joules
= 214,184 Calories
In Scientific Notation
21 joules
= 2.1 x 101 joules
≈ 5.01912 x 10-3 Calories
Joules
A joule is the standard unit of energy. On the surface of the Earth, it takes about 9.8 joules to lift a 1 kilogram object by 1 meter.
Calories
A nutritional Calorie, or kilocalorie, is commonly used in food labeling. It is equal to 4.184 kilojoules. The average American consumes about 2,700 kilocalories per day.
Joules to Calories Conversions
results may be rounded
J kcal
21.00 0.0050191
21.01 0.0050215
21.02 0.0050239
21.03 0.0050263
21.04 0.0050287
21.05 0.0050311
21.06 0.0050335
21.07 0.0050359
21.08 0.0050382
21.09 0.0050406
21.10 0.0050430
21.11 0.0050454
21.12 0.0050478
21.13 0.0050502
21.14 0.0050526
21.15 0.0050550
21.16 0.0050574
21.17 0.0050598
21.18 0.0050621
21.19 0.0050645
21.20 0.0050669
21.21 0.0050693
21.22 0.0050717
21.23 0.0050741
21.24 0.0050765
21.25 0.0050789
21.26 0.0050813
21.27 0.0050837
21.28 0.0050860
21.29 0.0050884
21.30 0.0050908
21.31 0.0050932
21.32 0.0050956
21.33 0.0050980
J kcal
21.34 0.0051004
21.35 0.0051028
21.36 0.0051052
21.37 0.0051076
21.38 0.0051099
21.39 0.0051123
21.40 0.0051147
21.41 0.0051171
21.42 0.0051195
21.43 0.0051219
21.44 0.0051243
21.45 0.0051267
21.46 0.0051291
21.47 0.0051315
21.48 0.0051338
21.49 0.0051362
21.50 0.0051386
21.51 0.0051410
21.52 0.0051434
21.53 0.0051458
21.54 0.0051482
21.55 0.0051506
21.56 0.0051530
21.57 0.0051554
21.58 0.0051577
21.59 0.0051601
21.60 0.0051625
21.61 0.0051649
21.62 0.0051673
21.63 0.0051697
21.64 0.0051721
21.65 0.0051745
21.66 0.0051769
21.67 0.0051793
J kcal
21.68 0.0051816
21.69 0.0051840
21.70 0.0051864
21.71 0.0051888
21.72 0.0051912
21.73 0.0051936
21.74 0.0051960
21.75 0.0051984
21.76 0.0052008
21.77 0.0052032
21.78 0.0052055
21.79 0.0052079
21.80 0.0052103
21.81 0.0052127
21.82 0.0052151
21.83 0.0052175
21.84 0.0052199
21.85 0.0052223
21.86 0.0052247
21.87 0.0052271
21.88 0.0052294
21.89 0.0052318
21.90 0.0052342
21.91 0.0052366
21.92 0.0052390
21.93 0.0052414
21.94 0.0052438
21.95 0.0052462
21.96 0.0052486
21.97 0.0052510
21.98 0.0052533
21.99 0.0052557