megajoule | 1 MJ | 2 MJ | 3 MJ | 4 MJ | 5 MJ | 6 MJ | 7 MJ | 8 MJ | 9 MJ | 10 MJ | 11 MJ | 12 MJ | 13 MJ | 14 MJ | 15 MJ | 16 MJ | 17 MJ | 18 MJ | 19 MJ | 20 MJ | 21 MJ | 22 MJ | 23 MJ | 24 MJ | 25 MJ | 26 MJ | 27 MJ | 28 MJ | 29 MJ | 30 MJ | 31 MJ | 32 MJ | 33 MJ | 34 MJ | 35 MJ | 36 MJ | 37 MJ | 38 MJ | 39 MJ | 40 MJ | 41 MJ | 42 MJ | 43 MJ | 44 MJ | 45 MJ | 46 MJ | 47 MJ | 48 MJ | 49 MJ | 50 MJ | 51 MJ | 52 MJ | 53 MJ | 54 MJ | 55 MJ | 56 MJ | 57 MJ | 58 MJ | 59 MJ | 60 MJ | 61 MJ | 62 MJ | 63 MJ | 64 MJ | 65 MJ | 66 MJ | 67 MJ | 68 MJ | 69 MJ | 70 MJ | 71 MJ | 72 MJ | 73 MJ | 74 MJ | 75 MJ | 76 MJ | 77 MJ | 78 MJ | 79 MJ | 80 MJ | 81 MJ | 82 MJ | 83 MJ | 84 MJ | 85 MJ | 86 MJ | 87 MJ | 88 MJ | 89 MJ | 90 MJ | 91 MJ | 92 MJ | 93 MJ | 94 MJ | 95 MJ | 96 MJ | 97 MJ | 98 MJ | 99 MJ | 100 MJ |
yottajoule | 1.0 × 10-18 YJ | 2.0 × 10-18 YJ | 3.0 × 10-18 YJ | 4.0 × 10-18 YJ | 5.0 × 10-18 YJ | 6.0 × 10-18 YJ | 7.0 × 10-18 YJ | 8.0 × 10-18 YJ | 9.0 × 10-18 YJ | 1.0 × 10-17 YJ | 1.1 × 10-17 YJ | 1.2 × 10-17 YJ | 1.3 × 10-17 YJ | 1.4 × 10-17 YJ | 1.5 × 10-17 YJ | 1.6 × 10-17 YJ | 1.7 × 10-17 YJ | 1.8 × 10-17 YJ | 1.9 × 10-17 YJ | 2.0 × 10-17 YJ | 2.1 × 10-17 YJ | 2.2 × 10-17 YJ | 2.3 × 10-17 YJ | 2.4 × 10-17 YJ | 2.5 × 10-17 YJ | 2.6 × 10-17 YJ | 2.7 × 10-17 YJ | 2.8 × 10-17 YJ | 2.9 × 10-17 YJ | 3.0 × 10-17 YJ | 3.1 × 10-17 YJ | 3.2 × 10-17 YJ | 3.3 × 10-17 YJ | 3.4 × 10-17 YJ | 3.5 × 10-17 YJ | 3.6 × 10-17 YJ | 3.7 × 10-17 YJ | 3.8 × 10-17 YJ | 3.9 × 10-17 YJ | 4.0 × 10-17 YJ | 4.1 × 10-17 YJ | 4.2 × 10-17 YJ | 4.3 × 10-17 YJ | 4.4 × 10-17 YJ | 4.5 × 10-17 YJ | 4.6 × 10-17 YJ | 4.7 × 10-17 YJ | 4.8 × 10-17 YJ | 4.9 × 10-17 YJ | 5.0 × 10-17 YJ | 5.1 × 10-17 YJ | 5.2 × 10-17 YJ | 5.3 × 10-17 YJ | 5.4 × 10-17 YJ | 5.5 × 10-17 YJ | 5.6 × 10-17 YJ | 5.7 × 10-17 YJ | 5.8 × 10-17 YJ | 5.9 × 10-17 YJ | 6.0 × 10-17 YJ | 6.1 × 10-17 YJ | 6.2 × 10-17 YJ | 6.3 × 10-17 YJ | 6.4 × 10-17 YJ | 6.5 × 10-17 YJ | 6.6 × 10-17 YJ | 6.7 × 10-17 YJ | 6.8 × 10-17 YJ | 6.9 × 10-17 YJ | 7.0 × 10-17 YJ | 7.1 × 10-17 YJ | 7.2 × 10-17 YJ | 7.3 × 10-17 YJ | 7.4 × 10-17 YJ | 7.5 × 10-17 YJ | 7.6 × 10-17 YJ | 7.7 × 10-17 YJ | 7.8 × 10-17 YJ | 7.9 × 10-17 YJ | 8.0 × 10-17 YJ | 8.1 × 10-17 YJ | 8.2 × 10-17 YJ | 8.3 × 10-17 YJ | 8.4 × 10-17 YJ | 8.5 × 10-17 YJ | 8.6 × 10-17 YJ | 8.7 × 10-17 YJ | 8.8 × 10-17 YJ | 8.9 × 10-17 YJ | 9.0 × 10-17 YJ | 9.1 × 10-17 YJ | 9.2 × 10-17 YJ | 9.3 × 10-17 YJ | 9.4 × 10-17 YJ | 9.5 × 10-17 YJ | 9.6 × 10-17 YJ | 9.7 × 10-17 YJ | 9.8 × 10-17 YJ | 9.9 × 10-17 YJ | 1.0 × 10-16 YJ |
The megajoule (MJ) is equal to one million (106) joules, or approximately the kinetic energy of a one megagram (tonne) vehicle moving at 161 km/h.
Name of unit | Symbol | Definition | Relation to SI units | Unit System |
---|---|---|---|---|
megajoule | MJ | = 106 joule | = 106 joule | Metric system SI |
megajoules | yottajoules | megajoules | yottajoules |
---|---|---|---|
1 | = 1.0E-18 | 6 | = 6.0E-18 |
2 | = 2.0E-18 | 7 | = 7.0E-18 |
3 | = 3.0E-18 | 8 | = 8.0E-18 |
4 | = 4.0E-18 | 9 | = 9.0E-18 |
5 | = 5.0E-18 | 10 | = 1.0E-17 |
The yottajoule (YJ) is equal to one septillion (1024) joules. This is approximately the amount of energy required to heat all the water on Earth by 1 °C. The thermal output of the Sun is approximately 400 YJ per second.
Name of unit | Symbol | Definition | Relation to SI units | Unit System |
---|---|---|---|---|
yottajoule | YJ | = 1024 joule | = 1024 joule | Metric system SI |
yottajoules | megajoules | yottajoules | megajoules |
---|---|---|---|
1 | = 1.0E+18 | 6 | = 6.0E+18 |
2 | = 2.0E+18 | 7 | = 7.0E+18 |
3 | = 3.0E+18 | 8 | = 8.0E+18 |
4 | = 4.0E+18 | 9 | = 9.0E+18 |
5 | = 5.0E+18 | 10 | = 1.0E+19 |
megajoules | yottajoules |
---|---|
1 | = 1.0 × 10-18 |
1.0 × 1018 | = 1 |
Symbol | Definition |
---|---|
≡ | exactly equal |
≈ | approximately equal to |
= | equal to |
digits | indicates that digits repeat infinitely (e.g. 8.294 369 corresponds to 8.294 369 369 369 369 …) |