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lbs to Stone Converter

Convert pounds (lb) to stones (st) and back, with kilograms as a metric reference.

Formula shown0 inputs definedUpdated Dec 2025By CalcuTotal TeamFree, no sign-up

Quick Summary

Use this when you need:
  • Share body weight in stones for UK audiences
  • Convert medical or fitness notes between lb and stone
  • Translate weights between imperial and metric with one tool
You’ll get:Mass

Calculator Tool

How this is calculated

Formula:

st = lb ÷ 14

In plain language:

A stone is defined as 14 pounds. This converter routes values through kilograms to also provide metric context.

The formula is always visible so you can verify the math and explain your numbers to anyone who asks.

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What these terms mean

Mass

Mass used in the calculation.

When to use this calculator

  • Share body weight in stones for UK audiences
  • Convert medical or fitness notes between lb and stone
  • Translate weights between imperial and metric with one tool
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