Smart-Calcs.net — Smart Online Calculators for Daily Tasks

Everyday & Math

Three everyday percentage tools in one: find X% of Y, X as a % of Y, and percentage increase or decrease.

Calculate the tip, sales tax and exact per-person share of any restaurant bill, with tip-before-tax or tip-after-tax modes.

Convert any simple or mixed fraction into a decimal, a percentage, its simplified form and its reciprocal, with an imperial inch chart.

Resize images proportionally, reduce any width and height to its exact aspect ratio, and see megapixels, diagonal pixels and 300 DPI print size.