Converters
12
Pair-specific conversion guide
How to convert Stone to Kilogram
Use this Stone to Kilogram page for direct mass conversions. The calculator keeps the exact st to kg relationship on the page, so the result, formula, and examples all describe this specific pair.
Formula model
1 st = 6.35029318 kg
1 Stone equals
Quick factor: 1 st = 6.35029318 kg.
The current calculator value is 1 st, which equals 6.35029318 kg.
Use the conversion table to compare 1 st with the other units in the same category.
Guide
How to convert mass
Enter a mass value and select the original and target units. The converter handles metric weights and common imperial units through kilograms.
Mass uses kilograms as the base unit: result = amount x source kilogram factor / target kilogram factor.
Examples
Mass conversion examples
Kilograms to pounds
1 kg
equals
2.20462262185 lb
Pounds to kilograms
10 lb
equals
4.5359237 kg
Grams to ounces
100 g
equals
3.52739619496 oz
Mass
All conversions
Kilogram to Gram
Conversion library
Supported categories
Temperature
Celsius, Fahrenheit, and Kelvin with proper offset formulas.
deg C
deg F
K
Volume
Liters, cubic meters, and common US kitchen measures.
L
mL
m3
tsp
tbsp
fl oz
+4
Distance
Metric, imperial, nautical, and everyday distance units.
m
km
cm
mm
in
ft
+3
Data Byte
Bits, bytes, SI storage units, and binary storage units.
B
bit
KB
MB
GB
TB
+4
Mass
Grams, kilograms, tons, pounds, ounces, and stones.
kg
g
mg
t
lb
oz
+1
Area
Surface units from square millimeters to square miles.
m2
km2
cm2
mm2
ha
ac
+3
Speed
Meters per second, kilometers per hour, miles per hour, knots, and feet per second.
m/s
km/h
mph
kn
ft/s
Time
Exact time units from milliseconds to weeks.
s
ms
min
h
d
wk
Frequency
Hertz, kilohertz, megahertz, gigahertz, and revolutions per minute.
Hz
kHz
MHz
GHz
THz
rpm
Pressure
Pascals, bar, atmosphere, PSI, and torr.
Pa
kPa
bar
atm
psi
Torr
Energy
Joules, calories, watt-hours, kilowatt-hours, and BTU.
J
kJ
cal
kcal
Wh
kWh
+1
Angle
Degrees, radians, gradians, arcminutes, arcseconds, turns, and angular mils.
rad
deg
grad
'
''
turn
+1
Popular conversions
Mass links
Conversion table
1 Stone equals
| Unit | Value |
|---|---|
| Kilogram kg | 6.35029318 |
| Gram g | 6350.29318 |
| Milligram mg | 6350293.18 |
| Metric ton t | 0.00635029318 |
| Pound lb | 14 |
| Ounce oz | 224 |
Formula model
Base-unit conversion
Pound and ounce constants follow standard avoirdupois definitions.
base = amount * factor + offset
result = (base - targetOffset) / targetFactor
result = (base - targetOffset) / targetFactor
Scope
Fixed conversions first
Currency, crypto, and market-rate conversions need live exchange data, so they are kept separate from the fixed scientific units in this build.
Exact units
Lengths, masses, storage, time, and most derived units.
Offset units
Celsius, Fahrenheit, and Kelvin conversions.
FAQ
How to convert Stone to Kilogram
How do you convert Stone to Kilogram?
Use the formula 1 st = 6.35029318 kg. As a quick check, 1 st equals 6.35029318 kg.
Is the Stone to Kilogram conversion exact?
This page uses fixed constants from the Converter Science catalog. Displayed results are rounded only to keep the page readable.
FAQ
Mass converter questions
Is mass the same as weight?
In everyday use people often say weight, but this converter uses mass unit definitions.
Does it support stones?
Yes. Stones are included for UK-style body weight conversions.