Compare calculators

Both calculators run independently — change the inputs on either side to compare results.

Pattern Ease Calculator

Calculates the total pattern measurement — body measurement plus wearing ease and design ease — so your sewn garment fits correctly. Use it when drafting or grading a sewing pattern.

Body Measurement (inches)

Garment Type

Fit Preference

Fabric Type

Fill in the required fields to see your result.

Sewing

Pattern Grading Calculator

Calculates new pattern measurements when grading a sewing pattern up or down between sizes. Use it when resizing a commercial pattern to fit a different size without redrawing every piece from scratch.

Original Pattern Measurement (inches)

Original Size

Target Size

Grading Increment per Size

Fill in the required fields to see your result.

Key differences

	Pattern Ease Calculator	Pattern Grading Calculator
Category	Sewing	Sewing
Inputs required	4	4
Result	Pattern Measurement Needed (inches)	Adjusted Measurement (inches)
What it does	Calculates the total pattern measurement — body measurement plus wearing ease and design ease — so your sewn garment fits correctly. Use it when drafting or grading a sewing pattern.	Calculates new pattern measurements when grading a sewing pattern up or down between sizes. Use it when resizing a commercial pattern to fit a different size without redrawing every piece from scratch.