Weight conversion

Stones to Pounds conversion

Convert stones (st) to pounds (lb). Exact: 1 st = 14 lb. Free online tool — no sign-up. Clear formulas and worked examples. Runs locally in your browser.

Instant result

Result

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Enter values to convert.

Inputs —

Mode —

Formula —

Formulas

Core equations used by this converter.

st → lblb = st × 14

Exact factor1 st = 14 lb

lb → stst = lb × 0.071428571

iLinear conversion using factor 14. Prefer the exact factor over rounded multipliers when precision matters.

How to use

1

Choose st → lb or lb → st

Use the tabs to switch direction. Forward mode needs stones; reverse uses the opposite unit.

2

Enter the value

Type a non-negative value in the active unit field.

3

Convert and read the result

Use Convert or let the result update automatically.

Example conversions

Common values with formula and result.

ϟ

1 st

1 st

1 × 14

14 lb

ϟ

10 st

10 st

10 × 14

140 lb

ϟ

50 st

50 st

50 × 14

700 lb

ϟ

100 st

100 st

100 × 14

1400 lb

Stones to Pounds conversion specification

Version 1.1.0 · Engine tested

Calculation status

Engine tested 4 published cases
Named expert review Not performed
Calculation version 1.1.0

Definition: Stones (st) converts to lb using a fixed linear factor. Convert stones (st) to pounds (lb). Exact: 1 st = 14 lb. Formula, body-weight examples, and st↔lb chart.
What it calculates: Value between st and lb. Switch direction with the converter tabs.
Inputs: Stones (st) or reverse unit (lb)
Outputs: Converted value in lb or st
Formula: lb = st × 14 · 1 st = 14 lb
Stones to pounds conversion table: Stones (st) Pounds (lb) Kilograms (kg)
1 st 14 lb 6.350 kg
5 st 70 lb 31.751 kg
8 st 112 lb 50.802 kg
10 st 140 lb 63.503 kg
11 st 154 lb 69.853 kg
12 st 168 lb 76.204 kg
14 st 196 lb 88.904 kg
15 st 210 lb 95.254 kg
Assumptions: Conversion runs locally in the browser; values are not uploaded.
Uses the standard factor/definition for these units.
Units: st → lb
lb → st
Boundary conditions: Empty or non-numeric input yields no valid result.
Non-negative values are expected for physical quantities.
Example: 1 st → 14 lb
Validation cases: 1 st → 14 lb
10 st → 140 lb
50 st → 700 lb
100 st → 1400 lb
Sources: SI / international unit definitions where applicable
CalculatorX conversion factors (local runtime)
Calculation version: 1.1.0

Background

Interpretation and common distinctions.

Use the converter tabs to switch direction when available. Results for Stones to Pounds conversion update locally in your browser.

Frequently asked questions

Key distinctions behind the conversion.

How do you convert using Stones to Pounds conversion?

Use 1 st = 14 lb. Example: 10 st to pounds → 140 lb.

Can I switch direction?

Use the converter tabs when available, or open the related reverse tool from Related.

Does this run online or locally?

Calculation runs locally in your browser. Values are not uploaded.

How precise are the results?

Results follow the formulas on this page. Round to the precision your use case needs.