Updated · Methodology: named formula library
1 stone = 14 lbs. To convert stone to lbs, multiply by 14. To convert lbs back to stone, multiply by 0.071429.
Stones to Pounds Converter
Convert stone to lbs instantly. Free unit conversion calculator.
1 stone = 14 lbs.
1 stone = 14 lbs. To convert stone to lbs, multiply by 14. To go the other direction, multiply lbs by 0.071429.
How the conversion works
The relationship is linear: every value of stone maps to exactly 14 lbs, scaling proportionally. 1 stone equals exactly 14 pounds. The stone is a U.K. customary unit, no longer used in U.S. commerce but common for body weight in Britain.
Common conversion values
- 1 stone = 14 lbs
- 10 stone = 140 lbs
- 100 stone = 1400 lbs
- 1,000 stone = 14,000 lbs
See the [forward](#chart) and [reverse](#reverse-chart) charts below for additional values.
Quick mental shortcut
No shortcut needed — multiply or divide by 14 directly.
Accuracy note
The factor used here (14) is rounded to 6 significant figures, which is sufficient for most everyday use including cooking, fitness, height comparisons, and shipping. For scientific, engineering, or trade-regulated contexts, use the full-precision factor or the official defining relationship cited above. Conversions in this calculator are computed at full double-precision; only the displayed values are rounded.
stone to lbs Chart
| stone | lbs |
|---|---|
| 1 stone | 14 lbs |
| 2 stone | 28 lbs |
| 3 stone | 42 lbs |
| 5 stone | 70 lbs |
| 10 stone | 140 lbs |
| 20 stone | 280 lbs |
| 25 stone | 350 lbs |
| 50 stone | 700 lbs |
| 75 stone | 1,050 lbs |
| 100 stone | 1,400 lbs |
| 200 stone | 2,800 lbs |
| 500 stone | 7,000 lbs |
| 1,000 stone | 14,000 lbs |
| 5,000 stone | 70,000 lbs |
Multiplier: × 14
lbs to stone Chart
| lbs | stone |
|---|---|
| 1 lbs | 0.071429 stone |
| 2 lbs | 0.142857 stone |
| 3 lbs | 0.214286 stone |
| 5 lbs | 0.357143 stone |
| 10 lbs | 0.714286 stone |
| 20 lbs | 1.429 stone |
| 25 lbs | 1.786 stone |
| 50 lbs | 3.571 stone |
| 75 lbs | 5.357 stone |
| 100 lbs | 7.143 stone |
| 200 lbs | 14.286 stone |
| 500 lbs | 35.714 stone |
| 1,000 lbs | 71.429 stone |
| 5,000 lbs | 357.14 stone |
Multiplier: × 0.071429
Common Specific Values
10 stone to lbs
10 stone equals 140 lbs. (10 × 14 = 140)
25 stone to lbs
25 stone equals 350 lbs. (25 × 14 = 350)
50 stone to lbs
50 stone equals 700 lbs. (50 × 14 = 700)
100 stone to lbs
100 stone equals 1,400 lbs. (100 × 14 = 1,400)
500 stone to lbs
500 stone equals 7,000 lbs. (500 × 14 = 7,000)
When to Use This Calculator
- Convert between metric and imperial without searching for factors.
- Verify a unit-aware calculation in engineering, science, or cooking.
- Translate specifications across U.S. and international standards.
Limitations & Common Mistakes
- Results are estimates, real-world outcomes depend on factors not captured in a simplified calculation.
- Always verify critical numbers against an authoritative source or domain expert before acting on them.
Frequently Asked Questions
How does the Stones to Pounds Converter work?
Enter your value (default: 1) and any other inputs; the calculator instantly applies its stones to pounds formula and shows the result with details. All math runs in your browser; nothing is sent to a server.
Is the Stones to Pounds Converter accurate for weight decisions?
It uses standard, documented formulas that match published references. For high-stakes weight decisions, verify the result against an authoritative source (industry calculator, professional advisor, or government data). The calculator is a planning estimate, not a substitute for professional judgment.
What inputs does the Stones to Pounds Converter require?
1 input: Value. Each has a sensible default; replace with your own values to get a result tailored to your situation.
Can I bookmark or share the Stones to Pounds Converter?
Yes — the URL is stable: https://www.calcintel.com/calculator/stones-to-pounds. Inputs reset to defaults on each visit (no input is stored), so screenshot or copy the result if you want to preserve a specific scenario.
Why do British use stones for weight?
1 stone = 14 lbs. To convert stone to lbs, multiply by 14; to convert lbs back to stone, multiply by 0.071429. See the conversion chart below for ready-made values.
What is 15 stone in weight in pounds?
15 stone is exactly 210 lbs. The conversion factor is 14 (multiply stone by this to get lbs).
What is 9 stone in pounds?
9 stone is exactly 126 lbs. The conversion factor is 14 (multiply stone by this to get lbs).
Is it 12 pounds in a stone?
1 stone = 14 lbs. To convert stone to lbs, multiply by 14; to convert lbs back to stone, multiply by 0.071429. See the conversion chart below for ready-made values.
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Source: BLS Consumer Price Index, 2026.