I share a little about sizing information that should be included on your pattern.

Grading Resoursces:

• Inclusive Size Resources for Designers - Kim McBrien Evans
• Sizing With Spreadsheets — Swanky Emu Knits
• Jill Wolcott Knits
• Ysolda Teague
• Craft Yarn Council
• Woolly Wormhead

Size Charts for Purchase, ASTM—American Society for Testing and Materials

• Standard Tables for Body Measurements for Plus Women's Figure Type, Size Range 14W – 40W
• Standard Tables of Body Measurements for Adult Female Misses Figure Type, Size Range 00–20
• Standard Tables of Body Measurements for Young Men Type, Size Range 32 – 48
• Standard Tables for Body Measurements for Mature Big Men Type, Size Range 46–64