Cubic metric volume unit.
Cubic Gigameters to Cubic Petameters Converter — Gm3 to Pm3
Convert Cubic Gigameter (Gm3) to Cubic Petameter (Pm3) using the exact conversion factor (1 cubic gigameter = 1e-18 cubic petameter). See the formula, worked examples, and conversion table.
Cubic Gigameters to Cubic Petameters converter
Converter
Volume Converter
Convert metric, US customary, imperial, cooking, dry, and industrial volume units.
Context values
Some unit families need one extra value for a physically accurate result.
Cubic metric volume unit.
Result = input x 1e+27 / 1e+45.
Volume uses the cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Cubic Gigameters to Cubic Petameters
Cubic Gigameter and Cubic Petameter appear side by side at fuel pumps and on beverage labels, since the US measures liquids in gallons while most of the world uses liters. Both are cubic metric volume unit units.
Formula
cubic petameters = cubic gigameters × 1e-18
This factor comes from each unit's defined relationship to the category's base unit: 1 cubic gigameter equals 1e+27 base units, and 1 cubic petameter equals 1e+45 base units, so dividing one by the other gives the direct cubic gigameter-to-cubic petameter factor of 1e-18.
Simple example
1 Gm3 × 1e-18 = 1e-18 Pm3
1 cubic gigameter = 1e-18 cubic petameters.
Real-world example
10 Gm3 × 1e-18 = 1e-17 Pm3
10 cubic gigameters = 1e-17 cubic petameters.
Conversion table
| Cubic Gigameter (Gm3) | Cubic Petameter (Pm3) |
|---|---|
| 1 Gm3 | 1e-18 Pm3 |
| 5 Gm3 | 5e-18 Pm3 |
| 10 Gm3 | 1e-17 Pm3 |
| 25 Gm3 | 2.5e-17 Pm3 |
| 50 Gm3 | 5e-17 Pm3 |
| 100 Gm3 | 1e-16 Pm3 |
Reverse conversion: Cubic Petameter to Cubic Gigameter
1e-18 Pm3 × 1e+18 = 1 Gm3
1e-18 cubic petameters = 1 cubic gigameter.
cubic gigameters = cubic petameters × 1e+18
For a page dedicated to this direction, see Cubic Petameter to Cubic Gigameter.
Understanding the Cubic Gigameter (Gm3)
Cubic metric volume unit.
Understanding the Cubic Petameter (Pm3)
Cubic metric volume unit.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many cubic petameters are in 1 cubic gigameter?
1 cubic gigameter equals 1e-18 cubic petameters, using the exact defined conversion factor rather than an estimate.
How do I convert cubic gigameter to cubic petameter?
Multiply the cubic gigameter value by 1e-18. The converter above does this instantly to whatever precision you set.
How do I convert cubic petameter back to cubic gigameter?
Use the reverse factor: 1 cubic petameter equals 1e+18 cubic gigameters. You can also use the swap control in the converter above to flip the direction instantly.
What is a cubic gigameter?
Cubic Gigameter (Gm3) is a unit of volume.
What is a cubic petameter?
Cubic Petameter (Pm3) is a unit of volume.
Is the cubic gigameter to cubic petameter conversion exact?
Yes. Both cubic gigameter and cubic petameter are defined by fixed standards rather than physical artifacts, so the factor of 1e-18 used above is exact to as many digits as you choose to display.