Unit converter

AU, light-years, parsec, km/s, g and common aerospace units.

SIDUS educational calculator. Category utilities. Tags: analysis, reference, units, utilities. Pure SI. Not flight software.

Formula

x_SI = x · s · AU, ly, pc, g, km/s ↔ SI

Aerospace unit conversion

Primary sources

SIDUS pure-SI implementation (sidus.tools): Local pure-function implementations in src/lib/physics (educational, independent reimplementation).
SI Brochure (BIPM) (BIPM): SI base units for converter categories.
IAU / planetary constants practice (IAU): Astronomical constant conventions used alongside JPL body data.

How do AI agents use this tool?

Read /llms.txt or call https://sidus.tools/api/mcp. Open the interactive page for live SI inputs.

Open interactive tool · SIDUS