nanogram | 1 ng | 2 ng | 3 ng | 4 ng | 5 ng | 6 ng | 7 ng | 8 ng | 9 ng | 10 ng | 11 ng | 12 ng | 13 ng | 14 ng | 15 ng | 16 ng | 17 ng | 18 ng | 19 ng | 20 ng | 21 ng | 22 ng | 23 ng | 24 ng | 25 ng | 26 ng | 27 ng | 28 ng | 29 ng | 30 ng | 31 ng | 32 ng | 33 ng | 34 ng | 35 ng | 36 ng | 37 ng | 38 ng | 39 ng | 40 ng | 41 ng | 42 ng | 43 ng | 44 ng | 45 ng | 46 ng | 47 ng | 48 ng | 49 ng | 50 ng | 51 ng | 52 ng | 53 ng | 54 ng | 55 ng | 56 ng | 57 ng | 58 ng | 59 ng | 60 ng | 61 ng | 62 ng | 63 ng | 64 ng | 65 ng | 66 ng | 67 ng | 68 ng | 69 ng | 70 ng | 71 ng | 72 ng | 73 ng | 74 ng | 75 ng | 76 ng | 77 ng | 78 ng | 79 ng | 80 ng | 81 ng | 82 ng | 83 ng | 84 ng | 85 ng | 86 ng | 87 ng | 88 ng | 89 ng | 90 ng | 91 ng | 92 ng | 93 ng | 94 ng | 95 ng | 96 ng | 97 ng | 98 ng | 99 ng | 100 ng |
carat | 5.0 × 10-9 ct | 1.0 × 10-8 ct | 1.5 × 10-8 ct | 2.0 × 10-8 ct | 2.5 × 10-8 ct | 3.0 × 10-8 ct | 3.5 × 10-8 ct | 4.0 × 10-8 ct | 4.5 × 10-8 ct | 5.0 × 10-8 ct | 5.5 × 10-8 ct | 6.0 × 10-8 ct | 6.5 × 10-8 ct | 7.0 × 10-8 ct | 7.5 × 10-8 ct | 8.0 × 10-8 ct | 8.5 × 10-8 ct | 9.0 × 10-8 ct | 9.5 × 10-8 ct | 1.0 × 10-7 ct | 1.05 × 10-7 ct | 1.1 × 10-7 ct | 1.15 × 10-7 ct | 1.2 × 10-7 ct | 1.25 × 10-7 ct | 1.3 × 10-7 ct | 1.35 × 10-7 ct | 1.4 × 10-7 ct | 1.45 × 10-7 ct | 1.5 × 10-7 ct | 1.55 × 10-7 ct | 1.6 × 10-7 ct | 1.65 × 10-7 ct | 1.7 × 10-7 ct | 1.75 × 10-7 ct | 1.8 × 10-7 ct | 1.85 × 10-7 ct | 1.9 × 10-7 ct | 1.95 × 10-7 ct | 2.0 × 10-7 ct | 2.05 × 10-7 ct | 2.1 × 10-7 ct | 2.15 × 10-7 ct | 2.2 × 10-7 ct | 2.25 × 10-7 ct | 2.3 × 10-7 ct | 2.35 × 10-7 ct | 2.4 × 10-7 ct | 2.45 × 10-7 ct | 2.5 × 10-7 ct | 2.55 × 10-7 ct | 2.6 × 10-7 ct | 2.65 × 10-7 ct | 2.7 × 10-7 ct | 2.75 × 10-7 ct | 2.8 × 10-7 ct | 2.85 × 10-7 ct | 2.9 × 10-7 ct | 2.95 × 10-7 ct | 3.0 × 10-7 ct | 3.05 × 10-7 ct | 3.1 × 10-7 ct | 3.15 × 10-7 ct | 3.2 × 10-7 ct | 3.25 × 10-7 ct | 3.3 × 10-7 ct | 3.35 × 10-7 ct | 3.4 × 10-7 ct | 3.45 × 10-7 ct | 3.5 × 10-7 ct | 3.55 × 10-7 ct | 3.6 × 10-7 ct | 3.65 × 10-7 ct | 3.7 × 10-7 ct | 3.75 × 10-7 ct | 3.8 × 10-7 ct | 3.85 × 10-7 ct | 3.9 × 10-7 ct | 3.95 × 10-7 ct | 4.0 × 10-7 ct | 4.05 × 10-7 ct | 4.1 × 10-7 ct | 4.15 × 10-7 ct | 4.2 × 10-7 ct | 4.25 × 10-7 ct | 4.3 × 10-7 ct | 4.35 × 10-7 ct | 4.4 × 10-7 ct | 4.45 × 10-7 ct | 4.5 × 10-7 ct | 4.55 × 10-7 ct | 4.6 × 10-7 ct | 4.65 × 10-7 ct | 4.7 × 10-7 ct | 4.75 × 10-7 ct | 4.8 × 10-7 ct | 4.85 × 10-7 ct | 4.9 × 10-7 ct | 4.95 × 10-7 ct | 5.0 × 10-7 ct |
nanogram or nanogramme is equal to 10-9 gram (unit of mass), comes from a combination of the metric prefix nano (n) with the gram (g). Plural name is nanograms.
Name of unit | Symbol | Definition | Relation to SI units | Unit System |
---|---|---|---|---|
nanogram | ng | ≡ 10-9 g | ≡ 10-12 kg | Metric system SI |
nanograms | carats | nanograms | carats |
---|---|---|---|
1 | ≈ 5.0E-9 | 11 | ≈ 5.5E-8 |
2.5 | ≈ 1.25E-8 | 12.5 | ≈ 6.25E-8 |
4 | ≈ 2.0E-8 | 14 | ≈ 7.0E-8 |
5.5 | ≈ 2.75E-8 | 15.5 | ≈ 7.75E-8 |
7 | ≈ 3.5E-8 | 17 | ≈ 8.5E-8 |
8.5 | ≈ 4.25E-8 | 18.5 | ≈ 9.25E-8 |
10 | ≈ 5.0E-8 | 20 | ≈ 1.0E-7 |
The carat (ct) is a unit of mass equal to 200 mg (0.2 g; 0.007055 oz) and is used for measuring gemstones and pearls.
Name of unit | Symbol | Definition | Relation to SI units | Unit System |
---|---|---|---|---|
carat | ct | ≡ 200 mg | ≡ 200 mg | Imperial/US |
carats | nanograms | carats | nanograms |
---|---|---|---|
1 | ≈ 200000000 | 11 | ≈ 2200000000 |
2.5 | ≈ 500000000 | 12.5 | ≈ 2500000000 |
4 | ≈ 800000000 | 14 | ≈ 2800000000 |
5.5 | ≈ 1100000000 | 15.5 | ≈ 3100000000 |
7 | ≈ 1400000000 | 17 | ≈ 3400000000 |
8.5 | ≈ 1700000000 | 18.5 | ≈ 3700000000 |
10 | ≈ 2000000000 | 20 | ≈ 4000000000 |
nanograms | carats |
---|---|
1 | ≈ 5.0 × 10-9 |
200 000 000 | ≈ 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 …) |