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Butter conversion chart. Genius! Because I can never remember how many tablespoons are in a 1/4c or 1/2 c of butter.
Common geometry formulas you can use to calculate the area, perimeter, and circumference of various plane figures.
Awesome website. Just put in your waist measurement and it calculates the size of all the tiers. Includes full tutorial.
How to Measure for Curtains | How to Make Curtains
I had no idea there was such a cool tool online for building stairs! For someone who sucks at math in a big way, this is nothing short of a dang miracle!!
Stair Calculator This is an online tool for calculating the stair parameters based on the height and run.
Make It Grand: Measurements for Girls Skirts and Pants
Engine Compression Ratio (CR) Calculator
Learn how to measure for curtains, and calculate the yardage. How to measure fabric for curtains and drapes. Use our curtain yardage measurement calculator.