Stone to Pounds (st to lbs) Converter

Stone to Pounds Conversion

Stone and pounds are both imperial body-weight units, so this is an exact within-system conversion: 1 stone equals exactly 14 pounds. It bridges UK and US weight habits.

Conversion formula: 1 st = 14 lb — multiply stone by 14.

When You Need This

US contexts — Americans think in pounds, not stone
Medical forms — US clinics ask for pounds
Weight tracking — pounds give finer detail
Fitness comparison — UK to US standards
Sports weigh-ins — classes often listed in pounds

How to Convert

The Conversion Formula

One stone equals exactly 14 pounds. To convert, multiply stone by 14. A fractional stone becomes pounds (e.g. 0.5 st = 7 lb). To reverse, divide pounds by 14.

pounds = stone × 14 — for example, 10 st × 14 = 140 lb.

Using the Tool

Enter the value

Type the amount you want to convert into the input field.

Read the result instantly

The converted value appears immediately in the second field — no button to press.

Swap or pick any unit

Press the swap button to reverse direction, or open a dropdown to choose a different unit.

Copy the result

Tap the copy icon next to either field to copy the value for your records.

Worked Examples

Stone	Calculation	Pounds
8 st	`8 × 14`	112 lb
9 st	`9 × 14`	126 lb
10 st	`10 × 14`	140 lb
12 st	`12 × 14`	168 lb

Features & Use Cases

Tool Capabilities

Instant Two-Way Conversion

Results update as you type. Use the swap button to reverse the direction in one click.

Any Unit, Any Pair

Searchable dropdowns let you switch to grams, ounces, pounds, stone, tons, carats and more — not just the default pair.

Copy & Quick Reference

Copy either value with one tap, and check the built-in reference table for common conversions at a glance.

Common Use Cases

US Communication

Americans don't use stone. Convert your stone weight to pounds so US friends, forms, and doctors understand it.

Medical Forms

US medical paperwork asks for pounds. Convert your stone figure for accurate records and dosing in the US.

Fitness Comparison

UK and US fitness goals differ in units. Convert stone to pounds to compare targets and progress across systems.

Detailed Tracking

Pounds give finer steps than whole stone. Convert to track small weekly changes in body weight precisely.

Runs in your browser: All calculations happen locally on your device. Nothing is uploaded — fast and private.

Frequently Asked Questions

How many pounds are in a stone?

Exactly 14 pounds = 1 stone.

How do I convert 12 stone to pounds?

Multiply by 14: 12 × 14 = 168 lb.

How do I handle stone with extra pounds?

Multiply the stone by 14 and add the extra pounds. 11 st 6 lb = 11 × 14 + 6 = 160 lb.

Why do Americans use pounds, not stone?

The stone fell out of US use long ago; Americans express body weight directly in pounds for everyday and medical purposes.

How much is 10 stone in pounds?

10 × 14 = 140 lb exactly.

Is the conversion exact?

Yes. Since 1 stone = 14 pounds by definition, there is no rounding.

Stone to Pounds