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Length Converter

📏 Ångström ? Å

📏 Picometer ? pm

📏 Nanometer ? nm

📏 Micrometer ? µm

µm

📏 Millimeter ? mm

📏 Centimeter ? cm

📏 Decimeter ? dm

📏 Meter ? m

📏 Meters + Centimeters ? m + cm

m + cm

📏 Kilometer ? km

📏 Thou / Mil ? mil

mil

📏 Inch ? in

📏 Foot ? ft

📏 Feet + Inches ? ft + in

ft + in

📏 Yard ? yd

📏 Mile ? mi

🧭 Nautical mile ? nmi

nmi

☀️ Solar radius ? R☉

R☉

✨ Light-year ? ly

🪐 Astronomical unit ? au

🌌 Parsec ? pc

Quick view

Unit	Value

Show step-by-step derivation

References:

International foot & inch exact relationships (0.3048 m; 0.0254 m) — NIST HB 44, Appendix C.
Astronomical unit exact length — IAU 2012 definition.
Nominal solar radius — IAU nominal value.
Light-year (Julian year × c); Parsec — standard astronomical definitions.

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