Ounces to Kilograms (oz → kg)
Formula
1 oz = 0.028349523125 kgConversion Table
| oz | kg |
|---|---|
| 0 | 0 |
| 1.0000 | 0.028350 |
| 2.0000 | 0.056699 |
| 3.0000 | 0.085049 |
| 4.0000 | 0.11340 |
| 5.0000 | 0.14175 |
| 6.0000 | 0.17010 |
| 7.0000 | 0.19845 |
| 8.0000 | 0.22680 |
| 9.0000 | 0.25515 |
| 10.000 | 0.28350 |
| 11.000 | 0.31184 |
| 12.000 | 0.34019 |
| 13.000 | 0.36854 |
| 14.000 | 0.39689 |
| 15.000 | 0.42524 |
| 16.000 | 0.45359 |
| 17.000 | 0.48194 |
| 18.000 | 0.51029 |
| 19.000 | 0.53864 |
| oz | kg |
|---|---|
| 20.000 | 0.56699 |
| 21.000 | 0.59534 |
| 22.000 | 0.62369 |
| 23.000 | 0.65204 |
| 24.000 | 0.68039 |
| 25.000 | 0.70874 |
| 26.000 | 0.73709 |
| 27.000 | 0.76544 |
| 28.000 | 0.79379 |
| 29.000 | 0.82214 |
| 30.000 | 0.85049 |
| 31.000 | 0.87884 |
| 32.000 | 0.90718 |
| 33.000 | 0.93553 |
| 34.000 | 0.96388 |
| 35.000 | 0.99223 |
| 36.000 | 1.0206 |
| 37.000 | 1.0489 |
| 38.000 | 1.0773 |
| 39.000 | 1.1056 |
| oz | kg |
|---|---|
| 40.000 | 1.1340 |
| 41.000 | 1.1623 |
| 42.000 | 1.1907 |
| 43.000 | 1.2190 |
| 44.000 | 1.2474 |
| 45.000 | 1.2757 |
| 46.000 | 1.3041 |
| 47.000 | 1.3324 |
| 48.000 | 1.3608 |
| 49.000 | 1.3891 |
| 50.000 | 1.4175 |
| 51.000 | 1.4458 |
| 52.000 | 1.4742 |
| 53.000 | 1.5025 |
| 54.000 | 1.5309 |
| 55.000 | 1.5592 |
| 56.000 | 1.5876 |
| 57.000 | 1.6159 |
| 58.000 | 1.6443 |
| 59.000 | 1.6726 |
| oz | kg |
|---|---|
| 60.000 | 1.7010 |
| 61.000 | 1.7293 |
| 62.000 | 1.7577 |
| 63.000 | 1.7860 |
| 64.000 | 1.8144 |
| 65.000 | 1.8427 |
| 66.000 | 1.8711 |
| 67.000 | 1.8994 |
| 68.000 | 1.9278 |
| 69.000 | 1.9561 |
| 70.000 | 1.9845 |
| 71.000 | 2.0128 |
| 72.000 | 2.0412 |
| 73.000 | 2.0695 |
| 74.000 | 2.0979 |
| 75.000 | 2.1262 |
| 76.000 | 2.1546 |
| 77.000 | 2.1829 |
| 78.000 | 2.2113 |
| 79.000 | 2.2396 |
Ounces to Kilograms Conversion
Converting Ounces (oz) to Kilograms (kg) is a common weight conversion. 1 oz equals 0.02835 kg. For example, 100 oz is equal to 2.834952 kg.
Quick Mental Math: Ounces to Kilograms
Multiply by 0.02835 (divide by 35.27).
Why is converting Ounces to Kilograms tricky?
The tiny decimal and metric-imperial mixing confuse people.
Quick Reference Values
1 oz = 0.02835 kg. 5 oz = 0.141748 kg. 10 oz = 0.283495 kg. 25 oz = 0.708738 kg. 50 oz = 1.417476 kg. 100 oz = 2.834952 kg.
What is Ounces?
Ounces (oz) is a unit of weight. An ounce (oz) is a unit of mass primarily used in the United States and UK customary systems. One avoirdupois ounce equals exactly 28.349523125 grams as defined by NIST. This measure is commonly employed in food labeling, postal services, and retail [nist-sp-811]. The ounce originated from the Roman 'uncia,' a twelfth part of the Roman pound. The avoirdupois ounce was standardized in the 19th century by the international yard and pound agreement of 1959 to unify US and British definitions [nist-sp-811]. Ounces are widely used in the US for weight measurement in grocery, postal, and manufacturing sectors. The UK uses ounces in certain contexts like precious metals and food portions. Most other countries prefer grams and kilograms per SI [nist-sp-811].
What is Kilograms?
Kilograms (kg) is a unit of weight. The kilogram is the SI base unit of mass, defined by the Planck constant fixed at exactly 6.62607015×10⁻³⁴ joule seconds. It represents the mass equal to that of the International Prototype Kilogram and is the only SI base unit still defined by a physical constant rather than a physical artifact [bipm-si-brochure]. The kilogram originated in 1795 as the mass of one liter of water at 4 °C. It was redefined in 2019 using the Planck constant to ensure long-term stability and universality, replacing the physical prototype standard maintained by the BIPM [bipm-si-brochure]. Kilograms are the primary unit of mass in nearly all countries, used in science, commerce, and industry. The SI system, adopted globally, mandates kilogram usage in trade, health, and manufacturing sectors [nist-si-guide].
Common Misspellings
People often search for this conversion using these alternate spellings: ounce, ounze, onze, ounch, ounz, kilo, kilogramme, kilogramm, kilograms. All of these refer to the Ounces to Kilograms conversion.