Weight and Mass Converter
Convert between kilograms, pounds, ounces, grams, tons, and all other weight and mass units.
Why Use Our Weight and Mass Converter?
Instant Results
Type any value, pick a unit, and see all 14 units converted simultaneously in real time.
All Units at Once
See every weight and mass unit on one page. Click any row to use it as your new input.
One-Click Copy
Copy any converted value to your clipboard with a single click.
100% Private
All conversions happen entirely in your browser. Nothing is sent to a server or stored anywhere.
Works on Any Device
Fully responsive. Use it on your phone, tablet, or desktop with the same accuracy and speed.
14 Units Covered
This converter includes 14 weight and mass units, from the most common to the highly technical.
Frequently Asked Questions
How do I use the Weight and Mass Converter?
Enter a value in the input field and select your starting unit from the dropdown. All 14 units update instantly. Click any result row to convert from that unit instead.
What weight and mass units are supported?
This converter supports 14 units including Kilogram, Gram, Milligram, Microgram, Metric Ton, and more. All major and many specialized units are included.
Is this Weight and Mass Converter accurate?
Yes. All conversions use internationally accepted exact conversion factors. Results are accurate to at least 6 significant figures.
Can I copy a converted value?
Yes. Each row in the results table has a Copy button. Click it to copy the converted value to your clipboard instantly.
Does this work on mobile?
Yes. The converter is fully responsive and works on all devices including phones, tablets, and desktops.
Is my data stored or shared?
No. All conversions happen entirely in your browser using JavaScript. Nothing is uploaded, logged, or stored anywhere.