Convert Kilograms to Stones

To convert kilograms (kg) to stones (st), use a simple formula based on the standard stone weight. 1 stone = 6.35029318 kilograms.

• Formula: stones = kilograms ÷ 6.35029318
• Quick estimate: stones ≈ kilograms ÷ 6.35

Example:

• 70 kg ÷ 6.35029318 = 11.02 st
• That’s about 11.0 stone (rounded to 1 decimal).

Tip for stones and pounds:

• Take the whole number as stones, then convert the leftover part to pounds using 1 stone = 14 pounds.

How do you convert kilograms to stones?

To convert kilograms (kg) to stones (st), divide the kilograms by 6.35029318.

Formula:
stones = kilograms ÷ 6.35029318

Example:
70 kg ÷ 6.35029318 = 11.023 st (about 11.02 st)

What is the kg to stone conversion factor?

1 stone equals 6.35029318 kilograms.
That means 1 kilogram equals 0.157473044 stones.

Many people round this in quick estimates, but the values above are the standard ones.

How many stones are in 1 kilogram?

1 kilogram is 0.15747 stones (rounded to 5 decimal places).

If you want a rough mental check, 6.35 kg is about 1 stone.

How many kilograms are in 1 stone?

1 stone is 6.35029318 kg.

This is the fixed value used for weight conversions between stones and kilograms.

Why do people use stones instead of kilograms?

Stones are commonly used to talk about body weight in the UK and Ireland. Kilograms are used in most other countries and in many health and science settings.

Both are valid; they just match different habits and standards.

Is stone the same as pounds?

No. A stone and a pound are different units.

• 1 stone = 14 pounds
• 1 pound = 0.0714286 stone

Stones are larger units, so the number looks smaller than pounds for the same weight.

How do you convert kilograms to stones and pounds?

First, convert kilograms to total stones. Then split the decimal part into pounds.

Steps:

1. stones (decimal) = kg ÷ 6.35029318
2. whole stones = integer part
3. pounds = decimal part × 14

Example (70 kg):

• 70 ÷ 6.35029318 = 11.023 st
• Whole stones = 11 st
• Pounds = 0.023 × 14 = 0.32 lb
  So, 70 kg is about 11 st 0 lb (rounded to the nearest pound).

What is a quick way to estimate kilograms to stones?

A simple estimate is:

• stones ≈ kg ÷ 6.35

This is close for everyday use. For medical records or formal logs, use the full conversion factor.

How many stones is 50 kg, 60 kg, 70 kg, and 80 kg?

Here are common conversions (rounded to 2 decimals):

• 50 kg = 7.87 st
• 60 kg = 9.45 st
• 70 kg = 11.02 st
• 80 kg = 12.60 st

Do I need to round when converting kg to stones?

Rounding depends on how you plan to use the number.

• For casual use, 2 decimal places is often enough.
• For stones and pounds, round pounds to the nearest pound.
• For clinical or sport tracking, keep more decimals if needed.

Are stones used in medical settings?

Some clinics record weight in kilograms, others also show stones and pounds for comfort and habit. If you track weight over time, stick to one unit so comparisons stay clear.

Can stones be used for all types of weight?

Stones are mostly used for body weight. For objects and shipping, kilograms and pounds are more common. The math still works the same for any weight.

What does "st" mean in weight conversions?

"st" is the abbreviation for stone.
You may also see "stone" written out, especially in text and labels.

Why does my kg to stone result look slightly different in different places?

Small differences usually come from rounding.

Some tools use:

• fewer decimal places in the conversion factor, or
• different rounding rules for the final answer.

Using 6.35029318 kg per stone gives the standard conversion.