Explore Tools

Converts any decimal number into a percentage instantly and accurately.

Calculates traffic density, flow, speed, and headway using vehicle count, road length, and time.

Convert ares to hectares and other area units instantly. A quick and simple tool for land measurement conversion.

Convert light years into kilometers, miles, astronomical units, and more — instantly and accurately.

Quickly convert between liters, milliliters, gallons, quarts, cups, tablespoons, and more with our intuitive volume conversion calculator.

Easily convert height in feet to total height in inches.

Quickly convert between pressure units like Pascal, bar, atm, psi, and more.

Quickly calculate how many years passed between a BC/BCE date and an AD/CE year.

Calculates speed based on distance traveled and time taken.

Calculates the number of full and decimal weeks between two dates.

Quickly calculate how much fabric you need based on the number and size of pieces to cut.

Quickly calculates how much salt to add to your pool to reach the desired salinity level.