Open a tool to read its example and guide. Interactive calculations need JavaScript.
Five practical tools
Calculators & checklists
Start with the job you need to do.
floating-rock.space
Calculators & checklists
Plan your quilt binding
Count whole strips and work out how much fabric to buy.
Change pan size
Compare two pan areas and scale the ingredients for the pan you have.
Estimate your remaining yarn
Use the original label and a scale to estimate the length left.
Compare paper towel prices
Put different pack sizes on the same price-per-area basis.
Prepare invitations for mailing
Bring one complete sample and the right questions to USPS.