Энциклопедический словарь (2009)
ЕДИНИЦЫ, ДОПУСКАЕМЫЕ К ПРИМЕНЕНИЮ НАРАВНЕ С ЕДИНИЦАМИ СИ

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ЕДИНИЦЫ, ДОПУСКАЕМЫЕ К ПРИМЕНЕНИЮ НАРАВНЕ С ЕДИНИЦАМИ СИ

Единицы, допускаемые к применению наравне с единицами СИ - Таблица

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|                                           | Единица                                                              |                                                   |

|                                           |-----------------------------------------------------------------------------| Значение в единицах СИ,           |

| Наименование величины     |                            | Обозначение                           | кратных и дольных от них          |

|                                           | Наименование     |------------------------------------------------|                                                   |

|                                           |                            | международное  | русское      |                                                   |

|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

|                                           | астрономическая | ua                      | а. е.            | ≈1,49598·1011 м                          |

|                                           | единица              |                           |                    |                                                   |

| Длина                                 |---------------------------------------------------------------------------------------------------------------------------------|

|                                           | световой год       | ly                       | св. год        | ≈9,4605·1015 м                            |

|                                           |---------------------------------------------------------------------------------------------------------------------------------|

|                                           | парсек                 | pc                      | пк               | ≈3,0857·1016 м                            |

|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

|                                           | тонна                  | t                         | т                 | 103 кг                                         |

| Масса                                |---------------------------------------------------------------------------------------------------------------------------------|

|                                           | атомная единица | u                        | а. е. м.        | ≈1,66054·10-27 кг                         |

|                                           | массы                 |                           |                    |                                                   |

|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

|                                           | минута                | min                    | мин             | 60 с                                            |

|                                           |---------------------------------------------------------------------------------------------------------------------------------|

| Время*                               | час                      | h                        | ч                 | 3600 с                                        |

|                                           |---------------------------------------------------------------------------------------------------------------------------------|

|                                           | сутки                   | d                        | сут              | 86400 с                                      |

|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

|                                           | градус                 | ...°                     | ...°              | π/180 рад≈1,745329·10-2 рад       |

|                                           |---------------------------------------------------------------------------------------------------------------------------------|

|                                           | минута                | ...'                      | ...'               | π/10800 рад≈2,908882·10-4 рад   |

| Плоский угол                      |---------------------------------------------------------------------------------------------------------------------------------|

|                                           | секунда               | ..."                     | ..."              | π/648000 рад≈4,848137·10-6 рад  |

|                                           |---------------------------------------------------------------------------------------------------------------------------------|

|                                           | град (гон)            | ...g(gon)              | град            | π/200) рад                                  |

|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

| Площадь                            | гектар                 | ha                      | га                | 104 м2                                        |

|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

| Объём, вместимость          | литр                    | l, L                     | л                 | 10-3 м3                                        |

|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

| Энергия                              | электронвольт     | eV                      | эВ               | 1,60218·10-19 Дж                         |

|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

| Оптическая сила                | диоптрия             | -                         | дптр            | 1 м-1                                           |

|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

|                                           | ньютон на           |                           |                    |                                                   |

| Механическое напряжение  | квадратный         | N/mm2                | Н/мм2          | 1 МПа                                        |

|                                           | миллиметр          |                           |                    |                                                   |

|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

| Полная мощность (в           | вольт-ампер        | V·A                    | В·А             | -                                                 |

| электротехнике)                  |                            |                           |                    |                                                   |

|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

| Реактивная мощность (в     | вар                      | var                     | вар             | -                                                 |

| электротехнике)                  |                            |                           |                    |                                                   |

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* Допускается применять также неделю (нед), месяц (мес), год, век, тысячелетие.

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