// multi-utility computation suite · offline · instant · precise
┌──────────────────────────┐
│ [c] calcalyst_ │
│ computation suite │
└──────────────────────────┘
// select a module to initialize
/ search↵ open firstesc close
// adsenseEMPTY_LEADER_SLOT728×90
// keyboard shortcuts
/focus search
Escclear search · close calc
Enteropen first result
↑↓navigate list
?toggle this panel
// adsenseMOBILE_ANCHOR_SLOT320×50
// keyboard_shortcuts
/focus search
↑↓navigate module list
Enter
open first result from search
open highlighted
compute when module is open
compute when focused in a field
Escclose module · clear selection
⌫
sci.astronomy-light-year Calculator
Calculates distances in light-years from metres or parsecs and estimates travel times at fractional speeds of light. One light-year = 9.461 × 10¹⁵ m — the nearest star, Proxima Centauri, is 4.24 light-years away.
Inputs
Ly
Reference formula or conversion factor shown for context.
Results
light years
Reference formula or conversion factor shown for context.
parsecs
Reference formula or conversion factor shown for context.
AU
Reference formula or conversion factor shown for context.
km
Reference formula or conversion factor shown for context.