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Weight Converter

Enter one weight and instantly convert it to kilograms, grams, pounds, ounces, stones, tons, and troy and carat units.

Use a comma or period as the decimal separator; do not use thousands separators.

All units

Metric

Use as target unit: Nanogram
Nanogram (ng)
1e12
Use as target unit: Microgram
Microgram (µg)
1,000,000,000
Use as target unit: Milligram
Milligram (mg)
1,000,000
Use as target unit: Gram
Gram (g)
1,000
Use as target unit: Kilogram
Kilogram (kg)
From
1
Use as target unit: Metric tonne
Metric tonne (t)
0.001

US & imperial

Use as target unit: Grain
Grain (gr)
15,432.3583529
Use as target unit: Ounce (avoirdupois)
Ounce (avoirdupois) (oz)
35.2739619496
Use as target unit: Pound (avoirdupois)
Pound (avoirdupois) (lb)
To
2.20462262185
Use as target unit: Stone
Stone (st)
0.157473044418
Use as target unit: Short hundredweight (US, 100 lb)
Short hundredweight (US, 100 lb) (cwt (US))
0.0220462262185
Use as target unit: Long hundredweight (imperial, 112 lb)
Long hundredweight (imperial, 112 lb) (cwt (imp))
0.0196841305522
Use as target unit: Short ton (US)
Short ton (US) (US ton)
0.00110231131092
Use as target unit: Long ton (imperial)
Long ton (imperial) (imp ton)
0.000984206527611

Troy & gemstones

Use as target unit: Metric carat (mass)
Metric carat (mass) (ct)
5,000
Use as target unit: Pennyweight
Pennyweight (dwt)
643.014931373
Use as target unit: Troy ounce
Troy ounce (oz t)
32.1507465686
Use as target unit: Troy pound
Troy pound (lb t)
2.67922888072

Good to know

The Weight Converter converts weights and masses directly in your browser. It supports common units such as kilograms, grams, pounds, ounces, stones, tonnes, and carats and is useful for everyday tasks, school, studies, engineering, travel, shopping, planning, and quick plausibility checks.

Typical searches for this page include kg to lb, grams to ounces, convert weight. Calculation runs locally in the browser, without upload or server processing. Everyday language often says weight, while physics usually means mass.

Typical use cases

Quick everyday conversion

Convert values for recipes, measurements, travel, online shopping, DIY work, or product specifications without opening a spreadsheet.

Compare technical values

Use the converter for technical documentation, data sheets, lab values, device settings, or international specifications.

Local calculation without tracking

Entered values stay in the browser. This is useful for drafts, internal calculations, and quick checks where no external service is needed.

Tips for better results

Check unit and rounding

Check the source unit and decide whether the rounded display is sufficient or whether more decimal places are useful.

Cross-check critical values

For legal, medical, safety-critical, or regulated measurement use, compare results with the applicable standard or measurement source.

How it works

Step by step

  1. 1

    Enter a value

    Enter the source value and choose the matching starting unit.

  2. 2

    Compare results

    Target values are calculated automatically and shown in the most important units.

  3. 3

    Use the value

    Copy the matching result into documentation, planning, orders, code, spreadsheets, or notes.

Features

Browser-based conversion

Calculation runs locally. Values are not sent to a server for conversion.

Multiple units at a glance

After input, matching target values are shown immediately in multiple units.

Flexible display

Options such as grouping, decimal places, or source unit help make results easy to review.

Frequently asked questions

Are inputs uploaded when using Weight Converter?

No. Conversion runs locally in the browser. Entered values are not transferred to Xoricon or another server.

How accurate is the conversion?

The converter uses standardized factors and JavaScript floating-point numbers. Displayed results are rounded and are not intended for regulated metrology or uncertainty calculations.

Can I see multiple units at once?

Yes. Many converters show several matching target values after one input, so you can quickly find the relevant unit.

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