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Weight & Mass
Converter

Convert between weight and mass units including kilograms, pounds, ounces, grams, stones, and other weight measurements.

45
Conversion Rules
23
Different Units
99.9%
Accuracy
Free
Always
Smart Weight & Mass Converter

Professional-grade weight & mass conversions with instant results

0
99.9%
Accuracy Rate
<100ms
Response Time
23
Units Supported
Smart
AI-Powered

Popular Weight & Mass Conversions

kg to lbs

1 kg = 2.20462 lbs

lbs to kg

1 lbs = 0.453592 kg

grams to ounces

1 grams = 0.035274 ounces

grams to pounds

1 grams = 0.00220462 pounds

ounces to pounds

1 ounces = 0.0625 pounds

g to kg

1 g = 0.001 kg

kg to g

1 kg = 1000 g

ounces to grams

1 ounces = 28.3495 grams

Complete Weight & Mass Conversion Guide

Convert between weight and mass units including kilograms, pounds, ounces, grams, stones, and other weight measurements. Our comprehensive converter supports 45 different conversion rules across 23 unique units, making it the most complete weight & mass conversion tool available online.

Why Choose Our Weight & Mass Converter?

Comprehensive Coverage

45 conversion rules covering all major weight & mass units

High Precision

Results accurate to 6 decimal places for professional use

Instant Results

Real-time conversion as you type with no delays

Mobile Friendly

Works perfectly on all devices and screen sizes

Always Free

No registration, no payments, no hidden costs

Professional Grade

Suitable for academic, commercial, and industrial use

Real-World Applications

Weight & Mass conversions are essential across numerous industries and applications:

Cooking and Baking

Professional weight & mass conversions are crucial for accuracy and compliance in this field.

Shipping and Logistics

Professional weight & mass conversions are crucial for accuracy and compliance in this field.

Medical and Healthcare

Professional weight & mass conversions are crucial for accuracy and compliance in this field.

Manufacturing

Professional weight & mass conversions are crucial for accuracy and compliance in this field.

International Commerce

Professional weight & mass conversions are crucial for accuracy and compliance in this field.

Expert Tips & Best Practices

Be aware of the difference between mass and weight in scientific contexts

Cooking measurements may use different standards (US vs metric)

Always verify the precision needed for your specific application

Consider temperature effects on weight measurements for precise work

Weight & Mass Units Reference

Our converter supports all major weight & mass units used worldwide:

carat
centigram
g
grain
gram
grams
hectogram
kg
kilogram
lbs
microgram
milligram
milligrams
nanogram
ounce
ounces
oz
pennyweight
picogram
pound
pounds
stone
ton

Conversion Accuracy

All conversion factors are based on internationally recognized standards and are accurate to 6 decimal places. Our weight & mass converter is suitable for professional, academic, and commercial applications.

Converter Performance
45
Conversion Rules
23
Supported Units
99.9%
Accuracy Rate
<1ms
Response Time
How to Use the Weight & Mass Converter
1

Select Your Units

Choose the unit you want to convert from and the unit you want to convert to using the dropdown menus.

2

Enter Your Value

Type the number you want to convert in the input field. The result will update automatically.

3

Get Instant Results

View your converted result immediately, along with the conversion factor and quick reference values.

4

Copy or Share

Use the copy button to save your result or share it with others using the share function.

All Weight & Mass Conversions (45 Rules)
Complete grid of all 45 conversion rules in the weight & mass category
⚖️

kglbs

Conversion Factor

1 kg = 2.20462 lbs

1 kg
= 2.2046 lbs
10 kg
= 22.0462 lbs
⚖️

lbskg

Conversion Factor

1 lbs = 0.453592 kg

1 lbs
= 0.4536 kg
10 lbs
= 4.5359 kg
⚖️

gramsounces

Conversion Factor

1 grams = 0.035274 ounces

1 grams
= 0.0353 ounces
10 grams
= 0.3527 ounces
⚖️

gramspounds

Conversion Factor

1 grams = 0.00220462 pounds

1 grams
= 0.0022 pounds
10 grams
= 0.022 pounds
⚖️

ouncespounds

Conversion Factor

1 ounces = 0.0625 pounds

1 ounces
= 0.0625 pounds
10 ounces
= 0.625 pounds
⚖️

gkg

Conversion Factor

1 g = 0.001 kg

1 g
= 0.001 kg
10 g
= 0.01 kg
⚖️

kgg

Conversion Factor

1 kg = 1000 g

1 kg
= 1000 g
10 kg
= 10000 g
⚖️

ouncesgrams

Conversion Factor

1 ounces = 28.3495 grams

1 ounces
= 28.3495 grams
10 ounces
= 283.495 grams
⚖️

poundsounces

Conversion Factor

1 pounds = 16 ounces

1 pounds
= 16 ounces
10 pounds
= 160 ounces
⚖️

poundsgrams

Conversion Factor

1 pounds = 453.592 grams

1 pounds
= 453.592 grams
10 pounds
= 4535.92 grams
⚖️

milligramsgrams

Conversion Factor

1 milligrams = 0.001 grams

1 milligrams
= 0.001 grams
10 milligrams
= 0.01 grams
⚖️

gramsmilligrams

Conversion Factor

1 grams = 1000 milligrams

1 grams
= 1000 milligrams
10 grams
= 10000 milligrams
⚖️

ozkg

Conversion Factor

1 oz = 0.0283495 kg

1 oz
= 0.0283 kg
10 oz
= 0.2835 kg
⚖️

kgoz

Conversion Factor

1 kg = 35.274 oz

1 kg
= 35.274 oz
10 kg
= 352.74 oz
⚖️

stonelbs

Conversion Factor

1 stone = 14 lbs

1 stone
= 14 lbs
10 stone
= 140 lbs
⚖️

microgrammilligram

Conversion Factor

1 microgram = 0.001 milligram

1 microgram
= 0.001 milligram
10 microgram
= 0.01 milligram
⚖️

tonlbs

Conversion Factor

1 ton = 2000 lbs

1 ton
= 2000 lbs
10 ton
= 20000 lbs
⚖️

microgramgram

Conversion Factor

1 microgram = 0.000001 gram

1 microgram
= 0 gram
10 microgram
= 0 gram
⚖️

lbsstone

Conversion Factor

1 lbs = 0.0714286 stone

1 lbs
= 0.0714 stone
10 lbs
= 0.7143 stone
⚖️

milligrammicrogram

Conversion Factor

1 milligram = 1000 microgram

1 milligram
= 1000 microgram
10 milligram
= 10000 microgram
⚖️

lbston

Conversion Factor

1 lbs = 0.0005 ton

1 lbs
= 0.0005 ton
10 lbs
= 0.005 ton
⚖️

microgramnanogram

Conversion Factor

1 microgram = 1000 nanogram

1 microgram
= 1000 nanogram
10 microgram
= 10000 nanogram
⚖️

nanogrammicrogram

Conversion Factor

1 nanogram = 0.001 microgram

1 nanogram
= 0.001 microgram
10 nanogram
= 0.01 microgram
⚖️

caratgram

Conversion Factor

1 carat = 0.2 gram

1 carat
= 0.2 gram
10 carat
= 2 gram
⚖️

graingram

Conversion Factor

1 grain = 0.0647989 gram

1 grain
= 0.0648 gram
10 grain
= 0.648 gram
⚖️

kilogrammilligram

Conversion Factor

1 kilogram = 1000000 milligram

1 kilogram
= 1000000 milligram
10 kilogram
= 10000000 milligram
⚖️

nanogramgram

Conversion Factor

1 nanogram = 1e-9 gram

1 nanogram
= 0 gram
10 nanogram
= 0 gram
⚖️

milligramkilogram

Conversion Factor

1 milligram = 0.000001 kilogram

1 milligram
= 0 kilogram
10 milligram
= 0 kilogram
⚖️

gramgrain

Conversion Factor

1 gram = 15.4324 grain

1 gram
= 15.4324 grain
10 gram
= 154.324 grain
⚖️

grammicrogram

Conversion Factor

1 gram = 1000000 microgram

1 gram
= 1000000 microgram
10 gram
= 10000000 microgram
⚖️

grampennyweight

Conversion Factor

1 gram = 0.643015 pennyweight

1 gram
= 0.643 pennyweight
10 gram
= 6.4302 pennyweight
⚖️

nanogrammilligram

Conversion Factor

1 nanogram = 0.000001 milligram

1 nanogram
= 0 milligram
10 nanogram
= 0 milligram
⚖️

pennyweightgram

Conversion Factor

1 pennyweight = 1.55517 gram

1 pennyweight
= 1.5552 gram
10 pennyweight
= 15.5517 gram
⚖️

picogramgram

Conversion Factor

1 picogram = 1e-12 gram

1 picogram
= 0 gram
10 picogram
= 0 gram
⚖️

centigramgram

Conversion Factor

1 centigram = 0.01 gram

1 centigram
= 0.01 gram
10 centigram
= 0.1 gram
⚖️

gramcentigram

Conversion Factor

1 gram = 100 centigram

1 gram
= 100 centigram
10 gram
= 1000 centigram
⚖️

ouncemilligram

Conversion Factor

1 ounce = 28349.5 milligram

1 ounce
= 28349.5 milligram
10 ounce
= 283495 milligram
⚖️

gramnanogram

Conversion Factor

1 gram = 1000000000 nanogram

1 gram
= 1000000000 nanogram
10 gram
= 10000000000 nanogram
⚖️

grainpound

Conversion Factor

1 grain = 0.000142857 pound

1 grain
= 0.0001 pound
10 grain
= 0.0014 pound
⚖️

milligramounce

Conversion Factor

1 milligram = 0.000035274 ounce

1 milligram
= 0 ounce
10 milligram
= 0.0004 ounce
⚖️

grainounce

Conversion Factor

1 grain = 0.00228571 ounce

1 grain
= 0.0023 ounce
10 grain
= 0.0229 ounce
⚖️

milligramnanogram

Conversion Factor

1 milligram = 1000000 nanogram

1 milligram
= 1000000 nanogram
10 milligram
= 10000000 nanogram
⚖️

hectogramgram

Conversion Factor

1 hectogram = 100 gram

1 hectogram
= 100 gram
10 hectogram
= 1000 gram
⚖️

ouncegrain

Conversion Factor

1 ounce = 437.5 grain

1 ounce
= 437.5 grain
10 ounce
= 4375 grain
⚖️

gramcarat

Conversion Factor

1 gram = 5 carat

1 gram
= 5 carat
10 gram
= 50 carat
45
Total Rules
23
Unique Units
225
Quick Links
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