🛰️ Space & Astronomy

Astronomical Mass Converter

Convert mass between kilograms, pounds, Earth masses, Jupiter masses and solar masses.

Free toolGlobal unitsMobile friendly

Enter values

Use the inputs below to calculate the result.

Result

Calculated value—
Uses standard astronomy constants; results are mathematical estimates and should not replace mission-grade ephemerides or navigation data.

How it works

Convert mass between kilograms, pounds, Earth masses, Jupiter masses and solar masses.

Mass conversion using standard reference masses

How to use this calculator

What to enter

Enter or select the following as requested: Mass (value); Input unit; Output unit. Follow the units, valid ranges, examples, and options displayed beside each field.

What the result means

The scientific result follows the physical or chemical relationship named by the calculator using the quantities and units entered. Check unit consistency, significant figures, sign conventions, and assumptions such as ideal conditions, constant acceleration, or a specified reaction model.

When to use it

Use this to solve or check a science problem or make an initial estimate. Confirm the formula and assumptions for the experiment or real-world system; calculated values do not replace measurement or safety procedures.