Pound to Stone Converter
1 Pound is equal to 0.071429Stones (st). To convert pounds to stones, multiply the value by 0.071429 or use the interactive formula breakdown and reference tables below.
Mass Converter
-- Step-by-Step Mathematical Derivation
To convert any quantity from Pound to Stone, multiply the quantity by the constant conversion factor 0.07142857.
To reverse the operation, multiply your Stone figure by 14 (or divide by 0.07142857).
- Identify the starting value in Pound (lb).
- Apply the exact linear conversion factor:
1 lb = 0.07142857 st. - Multiply the input value by 0.07142857 to obtain the exact measurement in Stone (st).
- Verify precision against standard BIPM / NIST SP 811 statutory guidelines.
All-Units Instant Matrix
Printable Reference Cheat Sheet
Generate clean offline reference PDF tables for Mass & Weight
Copy and paste this snippet directly into your HTML, WordPress, or documentation site:
Academic & Research Citation Exporter
Cite this mathematical formula and conversion factor in research papers and wikis
@misc{ai_unit_converter_pound_to_stone,
author = {AI Unit Converters Standards Board},
title = {Exact Pound to Stone Conversion Factor and Mathematical Derivation},
year = {2026},
howpublished = {\url{https://aiunitconverters.com/mass/lb-to-st}},
note = {Derived from NIST Special Publication 811 and BIPM SI Brochure}
}📊Pound to Stone Conversion Tables
| 1lb | 0.0714st |
| 2lb | 0.1429st |
| 5lb | 0.3571st |
| 10lb | 0.7143st |
| 15lb | 1.0714st |
| 20lb | 1.4286st |
| 25lb | 1.7857st |
| 50lb | 3.5714st |
| 75lb | 5.3571st |
| 100lb | 7.1429st |
| 250lb | 17.8571st |
| 500lb | 35.7143st |
| 1000lb | 71.4286st |
| 5000lb | 357.1429st |
| 10000lb | 714.2857st |
| 1st | 14lb |
| 2st | 28lb |
| 5st | 70lb |
| 10st | 140lb |
| 15st | 210lb |
| 20st | 280lb |
| 25st | 350lb |
| 50st | 700lb |
| 75st | 1,050lb |
| 100st | 1,400lb |
| 250st | 3,500lb |
| 500st | 7,000lb |
| 1000st | 14,000lb |
| 5000st | 70,000lb |
| 10000st | 140,000lb |
❓ Frequently Asked Questions: Pound to Stone
How do you convert Pounds to Stones?▼
1 Pound is equal to 0.071429 Stones. Multiply your input value in Pounds by 0.071429 to obtain the exact equivalent in Stones.
How many Stones are in 1 Pound?▼
There are exactly 0.071429Stones (st) in 1 Pound (lb).
Are these calculations calibrated against official measurement standards?▼
Yes. All conversion factors on AI Unit Converters are calibrated and cross-verified against official BIPM SI Brochure (9th Edition), NIST SP 811, and ISO 80000 measurement metrology standards.