Weight Converter
A free, browser-based converter. Runs entirely in your browser — no sign up, nothing stored.
100% FreeRuns in your browserBasic
Convert weight
Amount to convert
From (the unit you have)
To (the unit you want)
Result
0.001
1 Milligrams (mg) = 0.001 Grams (g)
All units
- Milligrams (mg)
- 1
- Grams (g)
- 0.001
- Kilograms (kg)
- 1.0000e-6
- Tonnes (t)
- 1.0000e-9
- Ounces (oz)
- 3.5274e-5
- Pounds (lb)
- 2.2046e-6
- Stone (st)
- 1.5747e-7
- US tons
- 1.1023e-9
How to use this calculator
- Enter the amount you want to convert.
- Choose the unit you have (From) and the unit you want (To).
- Read the result instantly — every other unit is listed too.
How it works
Converts mass between kilograms, grams, pounds (×2.205), ounces, tonnes and stone.
Worked example
1 kg. = 1,000 g ≈ 2.205 lb.
Related tools
Tip: Enter any known values to calculate the remaining results.
All calculations run in your browser. Your inputs are never saved or transmitted.