Mass per volume density.
Kilograms per Liter to Picograms per Liter Converter — kg/L to pg/L
Convert Kilogram per Liter (kg/L) to Picogram per Liter (pg/L) using the exact conversion factor (1 kilogram per liter = 1e+15 picogram per liter). See the formula, worked examples, conversion table, and common uses.
Kilograms per Liter to Picograms per Liter converter
Converter
Density Converter
Convert thousands of mass-per-volume density combinations for science, engineering, agriculture, and fluids.
Mass per volume density.
Result = input x 1000 / 1e-12.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Kilograms per Liter to Picograms per Liter
Kilogram per Liter and Picogram per Liter both measure density — mass per unit volume — a property used to identify materials, check manufacturing quality, and predict whether something floats or sinks. As a fixed reference point, water has a density of exactly 1000 kg/m³ (1 g/cm³, 1 g/mL) at its temperature of maximum density, which is why many density figures in science and engineering are quoted relative to water. Kilogram per Liter is most often used for fuel and petroleum density specifications (diesel is roughly 0.85 kg/l, gasoline roughly 0.74 kg/l).
Formula
picograms per liter = kilograms per liter × 1e+15
This factor comes from each unit's defined relationship to the category's base unit: 1 kilogram per liter equals 1000 base units, and 1 picogram per liter equals 1e-12 base units, so dividing one by the other gives the direct kilogram per liter-to-picogram per liter factor of 1e+15.
Simple example
1 kg/L × 1e+15 = 1e+15 pg/L
1 kilogram per liter = 1e+15 picograms per liter.
Real-world example
1,000 kg/L × 1e+15 = 1e+18 pg/L
1,000 kilograms per liter = 1e+18 picograms per liter.
Conversion table
| Kilogram per Liter (kg/L) | Picogram per Liter (pg/L) |
|---|---|
| 0.1 kg/L | 1e+14 pg/L |
| 1 kg/L | 1e+15 pg/L |
| 10 kg/L | 1e+16 pg/L |
| 100 kg/L | 1e+17 pg/L |
| 1,000 kg/L | 1e+18 pg/L |
| 10,000 kg/L | 1e+19 pg/L |
Reverse conversion: Picogram per Liter to Kilogram per Liter
1e+15 pg/L × 1e-15 = 1 kg/L
1e+15 picograms per liter = 1 kilogram per liter.
kilograms per liter = picograms per liter × 1e-15
For a page dedicated to this direction, see Picogram per Liter to Kilogram per Liter.
Understanding the Kilogram per Liter
Kilogram per Liter (kg/L) measures density. Numerically identical to grams per milliliter and to specific gravity for water-based substances, since water has a density of very nearly 1 kg/L. It is classified as a metric derived density unit.
Where it's used: Widely used internationally for fuel, oil, and food-industry density specifications
Uses of the Kilogram per Liter today
- Fuel and petroleum density specifications (diesel is roughly 0.85 kg/L, gasoline roughly 0.74 kg/L)
- Food and beverage industry quality control
- Quick density comparisons against water, since water is almost exactly 1 kg/L
Understanding the Picogram per Liter (pg/L)
Mass per volume density.
Kilogram per Liter — sources
- BIPM SI Brochure — Litre and kilogram as accepted SI and SI-derived units.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many picograms per liter are in 1 kilogram per liter?
1 kilogram per liter equals 1e+15 picograms per liter, using the exact defined conversion factor rather than an estimate.
How do I convert kilogram per liter to picogram per liter?
Multiply the kilogram per liter value by 1e+15. The converter above does this instantly to whatever precision you set.
How do I convert picogram per liter back to kilogram per liter?
Use the reverse factor: 1 picogram per liter equals 1e-15 kilograms per liter. You can also use the swap control in the converter above to flip the direction instantly.
What is a kilogram per liter?
Kilogram per Liter (kg/L) measures density. Numerically identical to grams per milliliter and to specific gravity for water-based substances, since water has a density of very nearly 1 kg/L. It is classified as a metric derived density unit.
What is a picogram per liter?
Picogram per Liter (pg/L) is a unit of density.
Is the kilogram per liter to picogram per liter conversion exact?
Yes. Both kilogram per liter and picogram per liter are defined by fixed standards rather than physical artifacts, so the factor of 1e+15 used above is exact to as many digits as you choose to display.
Where is the kilogram per liter still used today?
Widely used internationally for fuel, oil, and food-industry density specifications
What's the difference between density and mass concentration?
Density is the mass of a pure substance or material per unit volume. Mass concentration is the mass of one component — like a dissolved solute — within a mixture's total volume. The two use the same kind of units but describe different physical situations.