Calculators

Estimates the load requirements of your generator to ensure it can handle the appliances you need to power.

Calculates the number of balloons needed for a balloon arch based on its length and balloon size.

Calculates the finished and cut sizes for half-square triangles (HSTs) used in quilting.

Calculates the total amount of fabric needed for a sewing or crafting project, considering dimensions and seam allowances.

Calculates the fabric requirements for a circle skirt based on waist circumference, skirt length, and optional fullness.

Calculates tire dimensions based on tire size specifications.

Calculates the speedometer gear teeth needed for a given tire size, rear gear ratio, and speedometer gear teeth.

Converts engine hours into miles traveled, based on the average speed of the vehicle.

Calculates the solar panel size and power needed based on energy consumption and sunlight hours.

Converts a date and time from one time zone to multiple other time zones.