Weight Converter

Enter a weight, choose the unit you have and the unit you want.

Updated October 27, 2026

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<iframe src="/embed/en/unit-converters/weight-converter/" width="480" height="640" title="Weight Converter" loading="lazy" style="border:0;max-width:100%"></iframe>
<script>window.addEventListener('message',function(event){if(event.origin!==''||!event.data||event.data.type!=='calc-embed-height')return;var f=document.getElementsByTagName('iframe');for(var i=0;i<f.length;i++){if(f[i].contentWindow===event.source){f[i].style.height=event.data.height+'px';}}});</script>

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Formula

result = value × (kg per from-unit) ÷ (kg per to-unit)

Exact definitions used: 1 lb = 0.45359237 kg, 1 oz = 1/16 lb, 1 st = 14 lb, 1 US ton = 2000 lb, 1 UK ton = 2240 lb.

Worked example

Convert 70 kg to pounds: 70 × 1 / 0.45359237 = 154.323584 lb.

Frequently asked questions

How many pounds are in a kilogram?

One kilogram is 1 / 0.45359237 = 2.204623 pounds, so 70 kg is about 154.32 lb.

How many ounces are in a pound?

There are exactly 16 ounces in a pound, so 2.5 lb is 40 oz.

How many pounds are in a stone?

One stone is exactly 14 pounds, so 11 stone is 154 lb or about 69.85 kg.

What is the difference between a short ton and a tonne?

A US short ton is 2000 lb (907.18474 kg), a UK long ton is 2240 lb and a tonne is 1000 kg.

How we calculate

Weight Converter

Formula

Worked example

Frequently asked questions

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