calc tools
Weight and Mass Converter
Convert kilograms, pounds, ounces, stone, grams and milligrams.
Two-way unit conversion
Weight and Mass Converter
Show this value in every unit
| Unit | Converted value |
|---|---|
| Milligram (mg) | 1,000,000 |
| Gram (g) | 1,000 |
| Kilogram (kg) | 1 |
| Ounce (oz) | 35.2739619496 |
| Pound (lb) | 2.20462262185 |
| Stone (st) | 0.157473044418 |
| Metric tonne (t) | 0.001 |
Conversion happens instantly in this browser. Your value is not transmitted or stored.
One idea, three depths
Choose how deeply to explain Weight converter
Weight converter: Convert kilograms, pounds, ounces, stone, grams and milligrams.
Age 5Explain it to a 5-year-oldStart with a picture
Imagine a number machine: put a measurement or question in one side and it follows a fixed rule to make the answer. Convert kilograms, pounds, ounces, stone, grams and milligrams.
Age 15Explain it to a 15-year-oldConnect it to the formula
Convert kilograms, pounds, ounces, stone, grams and milligrams. Mass values are converted through kilograms using exact international pound and ounce definitions. Change one input or choice at a time and compare the result to see which part of the rule it controls.
CollegeExplain it at college levelState the model precisely
The browser evaluates the selected numerical expression, conversion, or plotted function locally. Mass values are converted through kilograms using exact international pound and ounce definitions. Entries and results remain in this browser. Important results should still be checked against the records, standards, or rules that govern the real situation.
How this tool works
Mass values are converted through kilograms using exact international pound and ounce definitions.
Privacy and limitations
Your entries and results stay in this browser. Check important results against the rules, records or systems that govern your situation.
Reuse the page responsiblyCite this pageAPA, MLA, Chicago, Harvard, BibTeX and RIS
These formats cite this calculator page itself. They are separate from the academic references above, which support the mathematical method and terminology.
APA 7
MW SysArc. (2026, July 21). Weight and Mass Converter. MW SysArc Tools. https://calc.mwsysarc.com/weight-mass-converter
MLA 9
MW SysArc. “Weight and Mass Converter.” MW SysArc Tools, 21 July 2026, https://calc.mwsysarc.com/weight-mass-converter. Accessed 31 Aug. 2026.
Chicago 17
MW SysArc. “Weight and Mass Converter.” MW SysArc Tools. Published July 21, 2026. Accessed August 31, 2026. https://calc.mwsysarc.com/weight-mass-converter.
Harvard
MW SysArc (2026) ‘Weight and Mass Converter’, MW SysArc Tools. Published 21 July 2026. Available at: https://calc.mwsysarc.com/weight-mass-converter (Accessed: 31 August 2026).
BibTeX and RIS records
BibTeX
@misc{mwsysarc_weight_mass_converter_2026,
author = {{MW SysArc}},
title = {Weight and Mass Converter},
howpublished = {MW SysArc Tools},
year = {2026},
url = {https://calc.mwsysarc.com/weight-mass-converter},
note = {Published July 21, 2026; accessed August 31, 2026}
}RIS
TY - ELEC
AU - MW SysArc
TI - Weight and Mass Converter
T2 - MW SysArc Tools
PY - 2026
DA - 2026-07-21
Y2 - 2026-08-31
UR - https://calc.mwsysarc.com/weight-mass-converter
N1 - Published July 21, 2026
ER -Clear answers
Frequently asked questions
What does the Weight converter do?
Convert kilograms, pounds, ounces, stone, grams and milligrams.
How does the Weight converter work?
Mass values are converted through kilograms using exact international pound and ounce definitions.
What can I learn from the Weight converter?
It shows how the entered values or choices produce the result. Change one input at a time to compare outcomes and understand the underlying rule.
Does MW SysArc receive or store what I enter?
No. The calculation runs locally in your browser. MW SysArc does not receive or store your calculation inputs.
How should I use the result?
Use the result as a practical reference. Review the inputs, assumptions and stated limitations before relying on it.
Last reviewed . Calculations tested .