Scientific unit conversion

Convert mass.

Convert mass units instantly. Enter a value, choose the from and to units, then copy or compare the result.

Converters

Units

Mode

Live

All converters

Temperature Volume Distance Data Byte Mass Area Speed Time Frequency Pressure Energy Angle

Category Amount

From To

Result

2.20462262185

lb / 1 kg = 2.2046226218487758072297380135 lb

Mass Kilogram to Pound Mass Pound to Kilogram Mass Gram to Ounce Mass Metric ton to Pound

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

Kilogram to Milligram

Kilogram to Metric ton

Milligram to Kilogram

Milligram to Gram

Milligram to Metric ton

Milligram to Pound

Milligram to Ounce

Milligram to Stone

Metric ton to Kilogram

Metric ton to Gram

Metric ton to Milligram

Conversion library

Supported categories

Open converter

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

Kilogram to Pound

Pound to Kilogram

Gram to Ounce

Metric ton to Pound

Conversion table

1 Kilogram equals

Unit	Value
Gram g	1000
Milligram mg	1000000
Metric ton t	0.001
Pound lb	2.20462262185
Ounce oz	35.2739619496
Stone st	0.157473044418

Formula model

Base-unit conversion

Pound and ounce constants follow standard avoirdupois definitions.

base = amount * factor + offset
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

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.