Astronomy Tools

Browse astronomy tools and related tools on Calculator 360.

Find the Moon phase for a date and view the official principal phase calendar in UTC or Paris time from 2020 through 2040.

Convert between light-years, parsecs, astronomical units, metric distances, and light-time units, with theoretical travel times.

Calculate magnification, focal ratio, exit pupil, field of view, and optional sensor geometry from telescope specifications.

Choose the right calculator

Moon phases, astronomical distances, and telescope calculations.

Find the Moon phase for a date and view the official principal phase calendar in UTC or Paris time from 2020 through 2040.

Convert between light-years, parsecs, astronomical units, metric distances, and light-time units, with theoretical travel times.

Calculate magnification, focal ratio, exit pupil, field of view, and optional sensor geometry from telescope specifications.

Which tools are available?

Only the calculators listed on this page are available in English.

Do I need an account?

No. The available tools work without an account.