Stones to KG Converter

Type a weight in stones and see it in kilograms at once — with the formula and a table.

100% private — runs entirely in your browser. Your data is processed on your device and never sent to the internet.

Bulk convert a list

Paste many values — one per line, or separated by commas or spaces. A column copied from Excel works too. They are converted with the units chosen above.

Download CSV

How to convert stones to kilograms

One stone is 14 pounds, and that is exactly 6.35029318 kilograms. To turn stones into kg, multiply by 6.35 (or by 6.4 for a quick answer).

Formula: kg = stones × 6.35029

Example: 12 st × 6.35029 = 76.2 kg

The stone is still used for body weight in the UK and Ireland. Most other countries use kilograms.

Features

  • Instant answer — type stones in the From box and see the kg as you type
  • Formula line — under the boxes, see what 1 unit is in the other unit, both ways
  • Swap (⇄) — turn kg back into stones in one click, with no rounding error
  • Stones and pounds — set From to Pound for a weight like 10 st 7 lb (147 lb), or type it as 10.5 stones
  • Every unit in the list — kg, grams, mg, tonnes, pounds, ounces and stones; or pick another Category, like length, weight or temperature
  • Bulk convert a list — paste many weights in stones, one per line or a column from Excel; each line keeps its place, and a line like "Box A 12.5" converts its number
  • Three ways to show the list — Results only, Value and result or CSV (for Excel), with 0 to 6 Decimal places; then Copy results or Download CSV
  • Private — it all runs in your browser; nothing is uploaded

stones to kg table

Stones (st)Kilograms (kg)
16.35
531.75
638.1
744.45
850.8
957.15
1063.5
1169.85
1276.2
1382.55
1488.9
1595.25
16101.6
17107.95
18114.31
20127.01
25158.76

Values are rounded to 2 decimal places.

Stones and pounds to kg

Weights in the UK are often written as stones and pounds, like "10 st 7 lb". Turn it all into pounds first (stones × 14 + pounds), then multiply by 0.453592.

  • 10 st 7 lb = 147 lb = 66.68 kg
  • 11 st 4 lb = 158 lb = 71.67 kg
  • 14 st 2 lb = 198 lb = 89.81 kg

Or type the stones as a decimal: 10 st 7 lb is 10.5 st.

Bulk convert a list of stones to kilograms

Got a whole column of values? Paste them under Bulk convert a list and every line is converted at once — a bulk stones to kg converter on the same page.

  • Paste values one per line, separated by commas or spaces, or a column copied from Excel or Google Sheets
  • Lines keep their order; a line with text, like "Week 3 12.5", converts its number
  • Show results only to paste back into your sheet, value and result, or CSV
  • Pick the decimal places, then copy the results or download a CSV file

How to use it

  • Type a number in the From box — the answer appears straight away
  • Click Swap (⇄) to convert the other way, from kilograms to stones
  • Change the units or the category to convert anything else — length, weight, temperature, volume, speed and more
  • Many values at once? Paste them under Bulk convert a list — one per line, or a column from Excel — and copy the results or download a CSV

Frequently asked questions

How many kg is 1 stone?

1 stone is 6.35 kg.

How many kg is 12 stone?

12 stone is 76.2 kg.

How many pounds are in a stone?

14 pounds.

How do I convert stones to kg in my head?

Multiply by 6, then add a third of the stones: 12 st → 72 + 4 = 76 kg (exact: 76.2).

Can I convert many stones to kilograms at once?

Yes. Paste them under Bulk convert a list — one per line, or a column from Excel — and all of them are converted together. Copy the results or download them as a CSV file.

Is my data sent anywhere?

No. The conversion runs in your browser, on your own device.

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