MASS CONVERSION
Stone to Pounds converter
Convert stone to pounds 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 st equals
14 lbInstant stone to pounds conversionCalculated locally in your browser using the stated conversion formula.Stone to Pounds 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 st equals 140 lb. The displayed result is rounded for readability while the calculator retains full numeric precision.
About Stone and Pounds
- Stone
- One stone equals 14 avoirdupois pounds. Imperial or US customary measurement, depending on the unit.
- Pounds
- The international avoirdupois pound equals exactly 0.45359237 kilograms. Imperial or US customary measurement, depending on the unit.
Precision and common mistakes
The stone-to-pound relationship is exact. The pound-to-kilogram relationship is exact. The calculator keeps the full catalogued factor internally and rounds only the displayed value.
- Stone is a mass unit; enter any remaining pounds separately when needed.
- Pounds of mass and pounds-force are different physical quantities.
- Keep the original value and unit together when copying a result, especially when specifications use several measurement systems.
Stone to Pounds table
1 st14 lb
5 st70 lb
10 st140 lb
25 st350 lb
50 st700 lb
100 st1,400 lb
Frequently asked questions
How do I convert stone to pounds?
Multiply the stone value by 14.0000000000. For example, 10 st equals 140 lb.
Is this Stone to Pounds 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
- Stone to Pounds 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
Pounds = Stone × 14.0000000000.
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.