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Weight conversion

Ounces to Kilograms Converter

Convert ounces to kilograms. The formula used here is 1 ounce = 0.028349523125 kilograms. The formula is kg = oz × 0.028349523125; 1 oz is 0.02835 kg.

Base answer
1 oz = 0.02835 kg
Rounding
6 decimals
Formula type
Factor
Conversion snapshot
From
Ounces (oz)

A US customary and imperial weight unit equal to one sixteenth of a pound.

To
Kilograms (kg)

The SI base unit of mass, commonly used for body weight and shipping.

Live converter
Ounces to Kilograms
Type a value in ounces. The result updates in your browser, with no sign-in or external API.
Formula
kg = oz × 0.028349523125
oz
Converted value
0.02835
kg (Kilograms)
Common inputs:
How to convert ounces to kilograms
Weight and mass conversions come up when shipping labels, body-weight records, gym plates, recipes, and nutrition labels use different units.

Start with your value in ounces, then apply the formula below. It stays visible so you can catch rounding mistakes instead of just copying the output.

Formula
kg = oz × 0.028349523125

For freight, food, medicine, and fitness work, keep enough decimal places to match the measuring device and round the displayed value only after the conversion.

Most weight conversions here use exact defined relationships between metric and avoirdupois units, so the main accuracy limit is the input measurement itself. This page displays converted values with up to 6 decimal places by default.

Common Ounces to Kilograms conversions
Common reference values for ounces to kilograms.
Values are calculated with kg = oz × 0.028349523125 and rounded for quick lookup.
OuncesKilograms
1 oz0.02835 kg
2 oz0.056699 kg
4 oz0.113398 kg
8 oz0.226796 kg
16 oz0.453592 kg
32 oz0.907185 kg
Examples
Sample inputs using the same formula as the converter.
Example 1
1 oz0.02835 kg

Useful for checking parcel and freight weights. Use the same formula with your exact input if the measurement needs to be documented.

Example 2
8 oz0.226796 kg

Useful for scaling recipes or reading nutrition labels. Use the same formula with your exact input if the measurement needs to be documented.

Example 3
32 oz0.907185 kg

Useful for fitness, health, and lab measurements. Use the same formula with your exact input if the measurement needs to be documented.

FAQs
These answers use the same formula as the converter above.
How do I convert ounces to kilograms?

Enter the value in ounces and apply kg = oz × 0.028349523125. Round the kilograms result after the conversion, not before.

What is 1 ounce in kilograms?

1 oz equals 0.02835 kg with the current rounding setting. Keep more decimal places when the result feeds another calculation.

What is 2 oz in kg?

2 oz is 0.056699 kg. It appears in the lookup table so you can compare it with nearby amounts.

Can I convert kilograms back to ounces?

Yes. Use the reverse Kilograms to Ounces converter if you need to go the other direction.

How accurate is this ounces to kilograms conversion?

The calculator runs the formula in your browser and rounds results to 6 decimal places by default. Most weight conversions here use exact defined relationships between metric and avoirdupois units, so the main accuracy limit is the input measurement itself.