Converting Weight

Convert between kilograms, pounds, ounces, and more.

Weight Converter

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Weight Conversion Charts

Kilograms to Pounds

The conversion factor is 1 kg ≈ 2.20462 lbs.

Kilograms (kg)	Pounds (lbs)
1	2.20
2	4.41
5	11.02
10	22.05
20	44.09
50	110.23
100	220.46

Grams to Ounces

The conversion factor is 1 oz ≈ 28.3495 g (or 1 g ≈ 0.035274 oz).

Grams (g)	Ounces (oz)
10	0.35
25	0.88
50	1.76
100	3.53
250	8.82
500	17.64

Pounds to Ounces

Since 1 lb = 16 oz.

Pounds (lbs)	Ounces (oz)
0.5	8
1	16
2	32
3	48
4	64
5	80

Metric Ton to Pounds

The conversion factor is 1 t = 1000 kg, and 1 kg ≈ 2.20462 lbs.

Metric Ton (t)	Pounds (lbs)
0.5	1102.31
1	2204.62
2	4409.24
5	11023.1
10	22046.2

Pounds to Kilograms

Conversion Factor: 1 lb ≈ 0.453592 kg

Example: Converting 10 lb to kg: 10 lb × 0.453592 ≈ 4.54 kg

Pounds (lb)	Kilograms (kg)
1	0.4536
2	0.9072
5	2.2680
10	4.5359
20	9.0718
50	22.6796
100	45.3592

Ounces to Grams

Conversion Factor: 1 oz ≈ 28.3495 g

Example: Converting 8 oz to g: 8 oz × 28.3495 ≈ 226.80 g

Ounces (oz)	Grams (g)
1	28.35
2	56.70
4	113.40
8	226.80
16	453.59
32	907.18
64	1814.37

Stone to Kilograms

Conversion Factor: 1 stone = 6.35029 kg

Example: Converting 3 stone to kg: 3 st × 6.35029 ≈ 19.05 kg

Stone (st)	Kilograms (kg)
1	6.35
2	12.70
3	19.05
4	25.40
5	31.75
10	63.50
15	95.25

Categories and Notable Weight Units

Standard Metric and Common Units

Metric Units: Kilogram, Gram, and Milligram are core units for daily and scientific applications.
Tonne: Often used in industrial settings and large-scale applications.

Imperial and US Customary Units

For users in regions that rely on the Imperial system, we offer reliable conversions for:

Pound and Ounce: Widely used in commerce, cooking, and everyday measurements.
Ton (Short/Long): Representing US and UK variations for larger masses.
Stone, Hundredweight, and Quarter: Common in regional and land measurement contexts.

Scientific and Subatomic Units

Atomic Mass Unit (amu) and Dalton: Approximately 1.66054×10⁻²⁷ kg, essential in chemistry and particle physics.
Large-Scale Metric Units: Exagram, Petagram, Teragram, Gigagram, and Megagram for massive quantities in astrophysics and global mass estimations.

Specialized and Historical Units

Specialized Units: Slug and Poundal, used in dynamics and force calculations in physics.
Gravitational Units: Such as kilogram-force per square second per meter, representing gravitational acceleration in certain calculations.
Historical/Regional Units: Talent, Mina, Shekel, Bekan, and Gerah offer insight into ancient measurement systems, while Pennyweight, Scruple, Grain, and Gamma are significant in apothecary and precious metal measurements.

Astronomical Masses

Earth Mass: Approximately 5.972×10²⁴ kg, used to express planetary masses.
Sun Mass: Approximately 1.989×10³⁰ kg, critical for astronomical and astrophysical calculations.