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Weight Converter

Convert kilograms, grams, pounds and ounces using standard mass conversion factors.

Live editable inputs

Change the values and see the calculation update immediately.

Formula and working

The relationship behind the answer stays visible on the page.

Assumptions visible

Rates, dimensions and limitations are kept explicit instead of hidden.

Connected next steps

Move into the next genuinely different calculation without keyword-copy pages.

220.46226218 lb
100 kg

The common “weight” labels on this page use standard mass conversion factors for kilograms, grams, pounds and ounces.

How to use this calculator

Convert nonnegative mass values between kilograms, grams, pounds and ounces. The page uses the common “weight converter” label while applying standard mass-unit factors.

Step-by-step

  1. Step 1

    Enter the value.

  2. Step 2

    Choose kg, g, lb or oz as the source.

  3. Step 3

    Choose the target unit and review the result.

Where this calculator is useful

Shipping and package checks

Use the result as a check within this type of task, with the assumptions shown above.

Cooking quantities

Use the result as a check within this type of task, with the assumptions shown above.

Fitness and product specifications

Use the result as a check within this type of task, with the assumptions shown above.

Common questions

How many pounds are in 1 kilogram?

1 kilogram is approximately 2.20462262 pounds.

Can I convert ounces to grams?

Yes. Choose oz as the source and g as the target.

Why does the page say weight when kg is a mass unit?

“Weight converter” is the common user-facing name; the numerical factors here convert mass units.

Need a different calculation?

Use the calculator library to switch tasks when the question, unit or assumption changes.

Browse all calculators

Common mass conversions

kg to lblb to kggrams to ouncesounces to grams

Popular exact conversions

Looking for a specific value? These common conversions give you the answer directly, while the calculator above handles any value.

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