Joule to Watt-hour Conversion Chart
This chart converts Joule (J) to Watt-hour (Wh) using the factor 0.00027777778. One J equals 0.00027777778 Wh; one Wh equals 3,600 J.
Wh = J × 2.7778e-4
| J | Wh |
|---|---|
| 100 | 0.027778 |
| 200 | 0.055556 |
| 300 | 0.083333 |
| 400 | 0.111111 |
| 500 | 0.138889 |
| 600 | 0.166667 |
| 700 | 0.194444 |
| 800 | 0.222222 |
| 900 | 0.25 |
| 1,000 | 0.277778 |
| 1,100 | 0.305556 |
| 1,200 | 0.333333 |
| 1,300 | 0.361111 |
| 1,400 | 0.388889 |
| 1,500 | 0.416667 |
| 1,600 | 0.444444 |
| 1,700 | 0.472222 |
| 1,800 | 0.5 |
| 1,900 | 0.527778 |
| 2,000 | 0.555556 |
| 2,100 | 0.583333 |
| 2,200 | 0.611111 |
| 2,300 | 0.638889 |
| 2,400 | 0.666667 |
| 2,500 | 0.694444 |
| 2,600 | 0.722222 |
| 2,700 | 0.75 |
| 2,800 | 0.777778 |
| 2,900 | 0.805556 |
| 3,000 | 0.833333 |
| 3,100 | 0.861111 |
| 3,200 | 0.888889 |
| 3,300 | 0.916667 |
| 3,400 | 0.944444 |
| 3,500 | 0.972222 |
| 3,600 | 1 |
| 3,700 | 1.027778 |
| 3,800 | 1.055556 |
| 3,900 | 1.083333 |
| 4,000 | 1.111111 |
| 4,100 | 1.138889 |
| 4,200 | 1.166667 |
| 4,300 | 1.194444 |
| 4,400 | 1.222222 |
| 4,500 | 1.25 |
| 4,600 | 1.277778 |
| 4,700 | 1.305556 |
| 4,800 | 1.333333 |
| 4,900 | 1.361111 |
| 5,000 | 1.388889 |
| J | Wh |
|---|---|
| 5,100 | 1.416667 |
| 5,200 | 1.444444 |
| 5,300 | 1.472222 |
| 5,400 | 1.5 |
| 5,500 | 1.527778 |
| 5,600 | 1.555556 |
| 5,700 | 1.583333 |
| 5,800 | 1.611111 |
| 5,900 | 1.638889 |
| 6,000 | 1.666667 |
| 6,100 | 1.694444 |
| 6,200 | 1.722222 |
| 6,300 | 1.75 |
| 6,400 | 1.777778 |
| 6,500 | 1.805556 |
| 6,600 | 1.833333 |
| 6,700 | 1.861111 |
| 6,800 | 1.888889 |
| 6,900 | 1.916667 |
| 7,000 | 1.944444 |
| 7,100 | 1.972222 |
| 7,200 | 2 |
| 7,300 | 2.027778 |
| 7,400 | 2.055556 |
| 7,500 | 2.083333 |
| 7,600 | 2.111111 |
| 7,700 | 2.138889 |
| 7,800 | 2.166667 |
| 7,900 | 2.194444 |
| 8,000 | 2.222222 |
| 8,100 | 2.25 |
| 8,200 | 2.277778 |
| 8,300 | 2.305556 |
| 8,400 | 2.333333 |
| 8,500 | 2.361111 |
| 8,600 | 2.388889 |
| 8,700 | 2.416667 |
| 8,800 | 2.444444 |
| 8,900 | 2.472222 |
| 9,000 | 2.5 |
| 9,100 | 2.527778 |
| 9,200 | 2.555556 |
| 9,300 | 2.583333 |
| 9,400 | 2.611111 |
| 9,500 | 2.638889 |
| 9,600 | 2.666667 |
| 9,700 | 2.694444 |
| 9,800 | 2.722222 |
| 9,900 | 2.75 |
| 10,000 | 2.777778 |
How to use this chart
Find the J value in the left column and read its Wh equivalent on the right. Every row uses the same conversion factor, so the printable table is suitable for quick reference without recalculating each value.
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