Femtogram to Petagram
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How to Convert Femtogram to Petagram
To convert fg to kg: multiply by 10⁻¹⁸. To convert fg to pg: divide by 1,000.
1 fg = 10⁻¹⁵ g = 10⁻¹⁸ kg = 1,000 ag.
For example, 1 Femtogram (fg) = 1.000000e-30 Petagram (Pg).
Femtogram to Petagram — Common Values
| Femtogram (fg) | Petagram (Pg) |
|---|---|
| 0.1 | 1.000000e-31 |
| 0.5 | 5.000000e-31 |
| 1 | 1.000000e-30 |
| 2 | 2.000000e-30 |
| 5 | 5.000000e-30 |
| 10 | 1.000000e-29 |
| 25 | 2.500000e-29 |
| 50 | 5.000000e-29 |
| 100 | 1.000000e-28 |
| 500 | 5.000000e-28 |
| 1000 | 1.000000e-27 |
About Femtogram (fg)
The femtogram is a unit of mass equal to 10⁻¹⁵ grams or 10⁻¹⁸ kilograms — one quadrillionth of a gram.
1 fg = 10⁻¹⁵ g = 10⁻¹⁸ kg = 1,000 ag.
To convert fg to kg: multiply by 10⁻¹⁸. To convert fg to pg: divide by 1,000.
Expressing the mass of individual bacterial cells (~100 fg for E. coli) and subcellular components.
A single E. coli bacterium has a mass of about 600–700 fg. A single mitochondrion is roughly 1 fg.
Mixing up fg (femtogram) with fm (femtometer) — one is mass, the other is length.
A bacterium weighs ~500 fg — this gives you a tangible anchor for the femtogram scale.
