Calculators

Determines the maximum print size for an image at a desired resolution (PPI).

Calculates age based on the Gregorian calendar and two different lunar calendars (Chinese and Islamic).

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

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

Estimates how long it will take to download a file based on file size and download speed.

Converts between CIDR notation, subnet masks, and IP address ranges for network planning.

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

This calculator determines the optimal spacing for planting bulbs based on the bulb's diameter and the desired spacing factor.

Converts a frame count into standard timecode format (HH:MM:SS:FF).

This calculator helps determine if buying a 3D printer is more cost-effective than outsourcing 3D printing services, considering factors like printer cost, material costs, and outsourcing prices.