# Convert Hartrees to Calories (20 °c)

### Kyle's Converter > Energy, Work, And Heat > Hartrees > Hartrees to Calories (20 °c)

 Hartrees (Eh) Calories (20 °c) (cal20 °C) Precision: 0 1 2 3 4 5 6 7 8 9 12 15 18
Reverse conversion?
Calories (20 °c) to Hartrees
(or just enter a value in the "to" field)

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Unit Descriptions
1 Hartree (atomic unit of energy):
= 2 Ry. Approximately 4.359744 x 10-18 Joules (SI).
1 Calorie (20 °C):
Approximately 4.1819 Joules (SI). The amount of energy required to raise the temperature of 1 gram (g) of water (without air) from 19.5 °C to 20.5 °C.

Conversions Table
1 Hartrees to Calories (20 °c) = 070 Hartrees to Calories (20 °c) = 0
2 Hartrees to Calories (20 °c) = 080 Hartrees to Calories (20 °c) = 0
3 Hartrees to Calories (20 °c) = 090 Hartrees to Calories (20 °c) = 0
4 Hartrees to Calories (20 °c) = 0100 Hartrees to Calories (20 °c) = 0
5 Hartrees to Calories (20 °c) = 0200 Hartrees to Calories (20 °c) = 0
6 Hartrees to Calories (20 °c) = 0300 Hartrees to Calories (20 °c) = 0
7 Hartrees to Calories (20 °c) = 0400 Hartrees to Calories (20 °c) = 0
8 Hartrees to Calories (20 °c) = 0500 Hartrees to Calories (20 °c) = 0
9 Hartrees to Calories (20 °c) = 0600 Hartrees to Calories (20 °c) = 0
10 Hartrees to Calories (20 °c) = 0800 Hartrees to Calories (20 °c) = 0
20 Hartrees to Calories (20 °c) = 0900 Hartrees to Calories (20 °c) = 0
30 Hartrees to Calories (20 °c) = 01,000 Hartrees to Calories (20 °c) = 0
40 Hartrees to Calories (20 °c) = 010,000 Hartrees to Calories (20 °c) = 0
50 Hartrees to Calories (20 °c) = 0100,000 Hartrees to Calories (20 °c) = 0
60 Hartrees to Calories (20 °c) = 01,000,000 Hartrees to Calories (20 °c) = 0