Calculators

Calculates sound intensity levels in decibels (dB) or changes in dB based on power or intensity ratios.

Calculates the index of refraction, which is the ratio of the speed of light in a vacuum to the speed of light in a medium.

This calculator adds two binary numbers and displays the result.

Calculates the number of months it will take to pay off a credit card balance, given the balance, interest rate, and monthly payment.

Calculates the ideal mirror size based on the width of your bathroom vanity or sink.

Calculates the fabric width and length needed for making curtain panels, taking into account factors like fullness and hem allowance.

This calculator helps to understand the impact of different global plastic policies on various aspects of the plastic lifecycle, including production, waste generation, recycling rates, and environmental pollution.

This calculator estimates the environmental footprint of different hand drying methods in a public restroom, helping you make informed choices. It considers factors like energy consumption, paper usage, and associated emissions.

Converts between liters (L) and centiliters (cL). This calculator allows you to easily convert from liters to centiliters, and vice versa.

Plan your square foot garden layout by specifying the dimensions of your raised bed and the number of plants per square foot.