Calculators

This calculator helps you set goals and track your progress in reducing plastic consumption. It estimates your current plastic usage and helps you plan reductions in different areas of your life.

This calculator converts between different units of energy, including joules, microjoules, millijoules, kilojoules, and megajoules.

Converts numbers between decimal (base-10) and octal (base-8) number systems.

This calculator converts any number into its equivalent representation in billions.

Converts a number from millions to lakhs, based on the Indian numbering system.

Converts numbers from billions to trillions.

Converts between decimal degrees and degrees-minutes-seconds (DMS) formats.

Converts a distance in light-years to other units of length, such as kilometers, miles, astronomical units, and parsecs.

Calculates the required torque for tightening a bolt, based on bolt diameter, thread pitch, and desired clamping force.

Calculates the water flow rate in gallons per minute (GPM).