List of orders of magnitude for density
| Decade of Density
| Density using SI prefixes
| Density of Item
| Item
|
| 10-27 kg/m3
| 1 yoctogram (yg)/m3
| 1 × 10-27 kg/m3
| very approximate density of universe
|
| 10-24 kg/m3
| 1 zeptogram (zg)/m3
|
|
|
| 10-22 kg/m3
| 100 zg/m3
| 1 × 10-22 kg/m3
| probable lowest observed density of space in galactic spiral arm
|
| 10-21 kg/m3
| 1 attogram (ag)/m3
|
|
|
| 10-20 kg/m3
|
|
|
|
| 10-19 kg/m3
|
|
|
|
| 10-18 kg/m3
| 1 femtogram (fg)/m3
| 1 × 10-18 kg/m3
| observed density of space in core of galaxy
|
| 10-17 kg/m3
| 10 fg/m3
| 1 × 10-17 kg/m3
| density of best vacuum from a laboratory (1.3 nPa)
|
| 10-16 kg/m3
|
|
|
|
| 10-15 kg/m3
| 1 picogram (pg)/m3
|
|
|
| 10-14 kg/m3
|
|
|
|
| 10-13 kg/m3
|
|
|
|
| 10-12 kg/m3
| 1 nanogram (ng)/m3
|
|
|
| 10-11 kg/m3
|
|
|
|
| 10-10 kg/m3
|
|
|
|
| 10-9 kg/m3
| 1 microgram (μg)/m3
|
|
|
| 10-8 kg/m3
|
|
|
|
| 10-7 kg/m3
|
|
|
|
| 10-6 kg/m3
| 1 milligram (mg)/m3
|
|
|
| 10-5 kg/m3
|
| 1.34 × 10-5 kg/m3
| Earth atmosphere at 82 kilometre altitude
|
| 10-4 kg/m3
|
| 1.09 × 10-4 kg/m3
| Earth atmosphere at 68 kilometre altitude
|
| 10-3 kg/m3
| 1 gram (g)/m3
| 1 gram (g)/m3
| density of vacuum from a mechanical vacuum pump
|
| 10-2 kg/m3
| 10 gram (g)/m3
| 1.35 × 10-2 kg/m3
| Earth atmosphere at 32 kilometre altitude
|
| 10-1 kg/m3
|
| 1.66 × 10-2 kg/m3
| Earth atmosphere at 16 kilometre altitude
|
| 1 kg/m3
| 1 kilogram (kg)/m3
| 1.48 kg/m3
| Earth atmosphere at sea level
|
| 101 kg/m3
|
|
|
|
| 102 kg/m3
|
| 945 kg/m3
| average human body after inhalation
|
| 985 kg/m3
| average human body
|
| 103 kg/m3
| 1 megagram (Mg)/m3
1 tonne (t)/m3
| 1000 kg/m3
| liquid water at 4°C
|
| 1025 kg/m3
| average human body after exhalation
|
|
|
| 104 kg/m3
| 10000 kg/m3
| 10490 kg/m3
| density of silver
|
| 105 kg/m3
|
|
|
|
| 106 kg/m3
| 1 gigagram (Gg)/m3
|
|
|
| 107 kg/m3
|
|
|
|
| 108 kg/m3
|
|
|
|
| 109 kg/m3
| 1 teragram (Tg)/m3
|
| White dwarf
|
| 1010 kg/m3
|
|
|
|
| 1011 kg/m3
|
|
|
|
| 1012 kg/m3
| 1 petagram (Pg)/m3
|
|
|
| 1013 kg/m3
| 1 × 1013 kg/m3
| 2 × 1013 kg/m3
| Universe at end of Electroweak Epoch (approximately)
|
| 1014 kg/m3
|
|
|
|
| 1015 kg/m3
| 1 exagram (Eg)/m3
|
|
|
| 1016 kg/m3
|
|
|
|
| 1017 kg/m3
|
|
|
|
| 1018 kg/m3
| 1 zettagram (Zm)/m3
|
| neutron star (approximately)
|
| 1019 kg/m3
|
|
|
|
| 1020 kg/m3
|
|
|
|
| 1021 kg/m3
| 1 yottagram (Yg)/m3
|
|
|
External links
Last updated: 06-02-2005 05:00:41
