The essential weight conversion for cooking, nutrition, and commerce.
1 ounce (oz) = 28.3495 grams.
16 ounces = 1 pound = 453.592 grams.
Use this converter whenever you need to switch between measurement systems with confidence. Even familiar unit conversions carry rounding risk when done mentally — precision work requires the exact factor.
A frequent mistake is converting in the wrong direction — multiplying where the formula requires division, or vice versa. Always verify the direction of conversion: are you converting from the smaller or larger unit?
A UK architect receives a specification from a US client with dimensions in feet and inches. Converting each measurement to millimetres with precision ensures the drawings are accurate — approximate mental conversion would introduce errors that compound across multiple linked dimensions.
1 oz = 28.3495 grams.
4 oz = 113.4 grams.
CalcPlanet – Free Online Calculators
725+ free calculators and 108 tools for math, money, health, and everyday life. Instant results, verified formulas, no sign-up.
By CalcPlanet Editorial · Reviewed against our Editorial Standards and Formula Sources.
CalcPlanet calculators are free, privacy-first, and formula-reviewed.
Editorial Standards · Formula Sources · Privacy · Terms · Contact
