Skip to content
Calculator Collection

Compare calculators

Both calculators run independently β€” change the inputs on either side to compare results.

Sewing

Pattern Grading Calculator

Determine how much to shift each grading point on a sewing pattern when adjusting from one size to another. Use it when resizing commercial patterns or custom blocks to match specific body measurements.

Fill in the required fields to see your result.
Sewing

Pattern Scaling Calculator

Compute scaled pattern dimensions when you need to enlarge or reduce a sewing pattern by a percentage. Useful for grading between sizes, copying patterns at non-standard scale, or fitting a pattern to non-standard body proportions.

Fill in the required fields to see your result.

Key differences

Pattern Grading CalculatorPattern Scaling Calculator
CategorySewingSewing
Inputs required42
ResultAdjustment per Grading Point (inches)New Pattern Dimension (inches)
What it doesDetermine how much to shift each grading point on a sewing pattern when adjusting from one size to another. Use it when resizing commercial patterns or custom blocks to match specific body measurements.Compute scaled pattern dimensions when you need to enlarge or reduce a sewing pattern by a percentage. Useful for grading between sizes, copying patterns at non-standard scale, or fitting a pattern to non-standard body proportions.