MASS CONVERSION
Pounds to Stone converter
Convert pounds to stone instantly.
Neutral presentation is active.
No regional currency, unit or language profile is applied. This choice does not convert values or change formulas, results, routes or legal guidance.
1 lb equals
0.071428571429 stInstant pounds to stone conversionCalculated locally in your browser using the stated conversion formula.Pounds to Stone conversion guide
Use this calculator when comparing measurements, checking specifications, planning travel, preparing materials or reading information published in another unit system. Enter any value above to receive the converted result immediately.
Worked example: 10 lb equals 0.71428571 st. The displayed result is rounded for readability while the calculator retains full numeric precision.
About Pounds and Stone
- Pounds
- The international avoirdupois pound equals exactly 0.45359237 kilograms. Imperial or US customary measurement, depending on the unit.
- Stone
- One stone equals 14 avoirdupois pounds. Imperial or US customary measurement, depending on the unit.
Precision and common mistakes
The pound-to-kilogram relationship is exact. The stone-to-pound relationship is exact. The calculator keeps the full catalogued factor internally and rounds only the displayed value.
- Pounds of mass and pounds-force are different physical quantities.
- Stone is a mass unit; enter any remaining pounds separately when needed.
- Keep the original value and unit together when copying a result, especially when specifications use several measurement systems.
Pounds to Stone table
1 lb0.07142857 st
5 lb0.35714286 st
10 lb0.71428571 st
25 lb1.78571429 st
50 lb3.57142857 st
100 lb7.14285714 st
Frequently asked questions
How do I convert pounds to stone?
Multiply the pounds value by 0.0714285714286. For example, 10 lb equals 0.71428571 st.
Is this Pounds to Stone conversion accurate?
The calculator uses the stated conversion relationship and keeps full internal precision before formatting the displayed answer. For regulated or safety-critical work, confirm the required rounding standard.
Can I use this converter on a phone?
Yes. The calculator is responsive, keyboard accessible and performs the conversion locally in a modern browser without requiring an account.
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Verification and calculation details
- Purpose
- Pounds to Stone converter
- Variables and units
- Use the labelled fields and units shown in the calculator. Results use those units unless a conversion is stated.
- Formula and method
- The exact formula and worked example are shown below. Deterministic formula executed locally in the browser.
- Assumptions
- Only entered values and stated assumptions are included. Local fees, rules and professional requirements are excluded unless explicitly shown.
- Engine version
- 1.0.0
- Production verification baseline
- Release 63 · source
998803f - Verification run
release-v63-2026-09-20- Last verified
- — Automated release checks passing
Read the Calculation Standard · Report a calculation or source issue
How this calculator works
Stone = Pounds × 0.0714285714286.
Important notes
Results are estimates based on the values entered. Confirm rates, prices, units and professional requirements that apply in your location. Review the Answer Atlas Calculation Standard and corrections policy for formula, privacy and correction rules.