Quettasteradians: conversions & definition
Quettasteradians (Qsr) represent solid angle. One unit equals 10^30 sr. A steradian is the solid angle that subtends an area equal to radius squared on a sphere.
Choose the unit you need
Each row converts one Qsr. Open a converter to enter any value and see its formula, worked example and reference table. Results below are rounded to 10 significant digits.
| Convert to | Equivalent value | Calculator |
|---|---|---|
| Steradians (sr) | ≈ 1e+30 | Convert Qsr to sr |
Keep the quantity consistent
Choose units that represent the same quantity and preserve the measurement conditions. A scale conversion changes the number and unit together; it does not change the physical amount or improve the accuracy of your measurement.
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