Oz to Kg Conversion - Fast & Accurate Oz to Kg Converter
Quickly convert oz to kg with our easy-to-use oz to kg conversion tool.
No more guessing weights. Digital Calculator oz to kg conversion gives you instant, spot-on results using the exact SI factor perfect for cooking, shipping, fitness logs, and lab notes. Converting oz to kg (and back to oz) is clean, fast and reliable.
Why users love this oz to kg converter:
- Precise in design: Uses the exact factor 1 oz = 0.028349523 kg for reliable results no rounding surprises.
Instant answers: Results are updated as you type, so you can work with just one click.
Crystal clear display: Displays both the exact value and a rounded result so you can read it easily.
Conversion in a jiffy: Need kg to oz? Change direction in the blink of an eye no new tool required.
Ready for anything: Works on both mobile and desktop; ideal for cooks, salespeople, lifters, and students.
What is an Ounce (oz)?
An ounce (oz) is a unit of mass from the imperial/US system, common in the United States and still used in the UK (especially in recipes). It is ideal for small quantities of ingredients, mail, and cosmetics.
Quick facts:
Avoirdupois ounce (everyday use) = 28.349523 g (≈ 0.028349523 kg)
Troy ounce (precious metals) = 31.1034768 g (≈ 0.0311034768 kg)
- Fluid ounce (fl oz) measures volume, not mass don’t mix it with oz.
Fun fact: A typical slice of bread is around 1 oz.
Where Ounces Are Used
- Food & Cooking: “6 oz chicken,” “1 oz cocoa powder”
- Beverages (fl oz): Soft drinks, juices (volume label)
- Mail & Shipping: Envelopes, small parcels
- Cosmetics/Personal Care: “3 oz cream,” travel-size toiletries
- Jewelry/Metals: Troy ounces for gold, silver, bullion
What is a Kilogram (kg)?
A kilogram (kg) is the SI (metric) base unit of mass, used worldwide in science, medicine, fitness, and industry.
1 kg = 1,000 g
Quick fact:
- Part of the metric system/SI units
- Modern definition tied to a fundamental physical constant (the Planck constant
Where Kilograms Are Used
- Groceries: Bulk items (rice, fruit, sugar)
- Body Weight & Fitness: Scales, plates outside the U.S.
- Medicine & Science: Precise lab/hospital measurements
- Industry & Freight: Packaging, pallets, logistics
Historical Insight of Oz and Kg
- Ounce stems from Latin “uncia” (one-twelfth). Avoirdupois became standard for goods; troy remained for metals.
- Kilogram arrived with the metric system (France, 1795) and is now defined via the Planck constant for exact reproducibility worldwide.
Why Use an oz to kg Converter?
Whether you’re adjusting recipes, generating shipping labels, logging gym weights, or entering lab data, an accurate oz to kg conversion prevents errors.
How to Convert Oz to Kg With Formula
To convert oz to kg and kg to oz use these formulas:
Ounce to Kg Formula:
Kilograms (kg) = Ounces (oz) × 0.028349523
Round the factor to 0.02835
Kg to Oz Formula:
Ounces (oz) = Kilograms (kg) × 35.27396195
or divide kg by 0.028349523
Oz to Kg Conversion Example
14 0z to Kg
kg = 14 × 0.028349523 = 0.396893 kg = 0.3969 kg
10 Oz to Kg
10 × 0.028349523 = 0.283495 kg = 0.2835 kg
32 Oz to Kg
32 × 0.028349523 = 0.907185 kg = 0.9072 kg
Ounce to Kilogram Conversion Table
Ounce (oz) | Kilogram (kg) |
1 | 0.02835 |
2 | 0.05670 |
3 | 0.08505 |
4 | 0.11340 |
5 | 0.14175 |
6 | 0.17010 |
7 | 0.19845 |
8 | 0.22680 |
9 | 0.25515 |
10 | 0.28350 |
12 | 0.34019 |
14 | 0.39689 |
16 (1 lb) | 0.45359 |
20 | 0.56699 |
24 | 0.68039 |
30 | 0.85049 |
32 (2 lb) | 0.90719 |
40 | 1.13398 |
50 | 1.41748 |
64 (4 lb) | 1.81437 |
100 | 2.83495 |
1000 | 28.34952 |
Note: Values rounded for readability. For lab/engineering, retain more decimals.
Daily Use Cases Where Oz to Kg Used
- Cooking & Baking: Convert an 8 oz steak to 0.2268 kg. Scale recipes globally with oz to kg conversion for consistency.
- Shipping & E-commerce: Small goods listed in oz convert cleanly to kg for international labels.
- Fitness & Sports: 16 oz (1 lb) plate ≈ 0.4536 kg; 32 oz (2 lb) ≈ 0.9072 kg handy for programming workouts.
- Science & Lab Work: Record masses in kg to align with SI reporting.
- Baby/Health Logs: Track pediatric weights in kg for healthcare forms (convert from oz if your device shows it).
Common Conversion Mistakes (and Fixes)
- Confusing oz with fl oz: oz = mass, fl oz = volume.
- Mixing troy and avoirdupois: Only metals use troy. Everyday items use avoirdupois.
Ready to Convert in One Click?
Use Digital Calculator Oz to Kg Converter Fast, precise, and mobile-friendly tool for quick Oz to Kg Conversion.