Convert ounces to kilograms
1 oz = 0.028349523125 kg — exactly. Both units are defined against the SI, so this factor is a fraction, not an approximation.
0.028 349 523 125kg
As a fraction: 45359237/1600000000
More converter tools
Readable results
Ranges, ± tolerances, feet/inches and clock durations work in the value field.
Unit picker
Export this result
1 oz = 0.028349523125 kg
Show this value in all 34 weight & mass units
- Megagrams Mg 0.000 028 349 523 125
- Kilograms kg 0.028 349 523 125
- Hectograms hg 0.283 495 231 25
- Decagrams dag 2.834 952 312 5
- Grams g 28.349 523 125
- Decigrams dg 283.495 231 25
- Centigrams cg 2834.952 312 5
- Milligrams mg 28 349.523 125
- Micrograms µg 28 349 523.125
- Nanograms ng 28 349 523 125
- Picograms pg 28 349 523 125 000
- Tonnes t 0.000 028 349 523 125
- Kilotonnes kt 2.8349523125e-8
- Megatonnes Mt 2.8349523125e-11
- Quintals q 0.000 283 495 231 25
- Carats ct 141.747 615 625
- Pounds lb 0.0625
- Ounces oz 1
- Drams dr 16
- Grains gr 437.5
- Stones st 0.004 464 285 714 29
- Hundredweight (US)s cwt (US) 0.000 625
- Hundredweight (UK)s cwt (UK) 0.000 558 035 714 286
- Short ton (US)s tn 0.000 031 25
- Long ton (UK)s LT 0.000 027 901 785 714 3
- Troy ounces ozt 0.911 458 333 333
- Troy pounds lbt 0.075 954 861 111 1
- Pennyweights dwt 18.229 166 666 7
- Slugs slug 0.001 942 559 385 72
- Atomic mass units u 1.70724818558e+25
- Electron masss mₑ 3.11212306071e+28
- Planck masss mₚ 1 302 567.554 31
- Earth masss M🜨 4.74691455829e-27
- Solar masss M☉ 1.42537272113e-32
Every row is Ounce (oz) converted through the kilogram, in exact rational arithmetic.
How to convert ounces to kilograms
Multiply the number of ounces by 0.028349523125 to get kilograms.
The exact factor is 0.028349523125 — as a fraction, 45359237/1600000000.
Ounce to Kilogram conversion table
| Ounces (oz) | Kilograms (kg) |
|---|---|
| 1 oz | 0.028 349 523 |
| 2 oz | 0.056 699 046 |
| 3 oz | 0.085 048 569 |
| 5 oz | 0.141 747 62 |
| 10 oz | 0.283 495 23 |
| 20 oz | 0.566 990 46 |
| 25 oz | 0.708 738 08 |
| 50 oz | 1.417 476 2 |
| 100 oz | 2.834 952 3 |
| 250 oz | 7.087 380 8 |
| 500 oz | 14.174 762 |
| 1000 oz | 28.349 523 |
Kilogram to Ounce conversion table
| Kilograms (kg) | Ounces (oz) |
|---|---|
| 1 kg | 35.273 962 |
| 2 kg | 70.547 924 |
| 3 kg | 105.821 89 |
| 5 kg | 176.369 81 |
| 10 kg | 352.739 62 |
| 20 kg | 705.479 24 |
| 25 kg | 881.849 05 |
| 50 kg | 1763.6981 |
| 100 kg | 3527.3962 |
| 250 kg | 8818.4905 |
| 500 kg | 17 636.981 |
| 1000 kg | 35 273.962 |
Frequently asked
How many kilograms are in a ounce?
One ounce equals 0.02834952313 kilograms (oz → kg). That figure is exact, not rounded.
How do you convert ounces to kilograms?
Multiply the number of ounces by 0.028349523125 to get kilograms.
What is 1 kg in ounces?
One kilogram is 35.27396195 ounces.
What is 10 oz in kg?
10 oz = 0.283 495 23 kg.