Ounce to Stone Converter

Instant, two-way conversion across common engineering units.

Free

1 oz = 0.0044642857 st(OunceStone)

Recent conversions
Your last five conversions will appear here.

Converting ounces to stone

To convert ounces to stone, multiply the value by 0.0044642857. Mass conversions support load take-offs, steel tonnage and transport limits, where imperial and metric figures often appear in the same package.

Visual scale

To scale
1 ounce = 0.0044642857 stone.
1 stone = 224 ounces.

Ounce (oz)

The ounce (oz) is the small unit of the avoirdupois mass system.

Origin
One sixteenth of the avoirdupois pound, standardized internationally in 1959.
Where it is used
Used for coatings, hardware weights and product data in US practice.
Relation to SI
1 oz = 0.028349523125 kg exactly.

Stone (st)

The stone (st) equals 14 pounds and is used mainly in the UK.

Origin
A traditional British trade weight, fixed at 14 avoirdupois pounds.
Where it is used
Used informally in the UK, rarely in technical documentation.
Relation to SI
1 st = 6.35029318 kg exactly.

Frequently asked questions

How many stone are in one ounce?

1 oz equals 0.0044642857 st.

How do I convert ounces to stone?

Multiply the value by 0.0044642857. For example, 10 oz equals 0.044642857 st.

How do I convert back from stone to ounces?

1 st equals 224 oz. The converter above works in both directions, so you can type into either field.

Is this converting mass or weight?

Mass. Kilograms and pounds measure mass; force units such as newtons or kilonewtons are a separate quantity used in structural load calculations.

What is the difference between a US ton and a metric tonne?

A US short ton is 2,000 lb, about 907 kg, while a metric tonne is exactly 1,000 kg. The imperial long ton is 2,240 lb, about 1,016 kg.

Is this mass converter free to use?

Yes. Every unit conversion runs in your browser, needs no account and is free for professional use.

Related conversions