Mass Converter - Free Online Weight Conversion Tool

How to Use the Mass Converter

1. Enter value — type the number you want to convert
2. Select from unit — choose the source unit
3. Select to unit — choose the target unit
4. Get result — instant conversion

Perfect for cooking, fitness, shipping, and science.

Features

• 10+ units — mg, g, kg, t, lb, oz, st, and more
• Real-time — updates as you type
• Two-way — swap units for reverse conversion
• No data sent — everything runs locally