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Half-Pint Mason Jar Capacity — 1 Cup (8 oz) Size Guide

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Half-Pint Mason Jar = 8 fluid ounces

Half-Pint Mason Jar = 1 cup (237 ml)

Overview

Half-Pint Mason Jar holds 8 oz = 1 cup = 237 ml. Best for jams, jellies, small sauces. Complete canning jar size reference.

Key Details

  • Half-Pint Mason Jar = 8 fluid ounces
  • Half-Pint Mason Jar = 1 cup (237 ml)
  • Best used for: jams, jellies, small sauces
  • Process in boiling water bath for 10 minutes (adjust for altitude)
  • Leave 1/4 to 1/2 inch headspace when filling jars for canning

Why This Matters

  • Canning recipes specify jar sizes for safe processing times
  • Knowing jar capacity helps calculate batch yields
  • Proper jar size ensures correct heat penetration during processing

How To

  1. 1Half-Pint Mason Jar holds 8 oz (1 cup)
  2. 2Best for: jams, jellies, small sauces
  3. 3Process in boiling water bath for 10 minutes (adjust for altitude)
  4. 4Always use tested recipes with correct jar sizes for food safety
  5. 5Check jar rims for chips before canning — damaged rims prevent sealing

Tags

unit-conversionsvolumecanningmason-jarpreservingjar-sizes

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Frequently Asked Questions

A half-pint mason jar holds 1 cup (8 oz / 237 ml).