Everyday & Misc

Handy everyday calculators for tips, grades, screen specs, and practical tasks.

10 calculators available

Split restaurant bills with custom tip among any number of people. Handle uneven splits, shared item

Calculate your GPA on a 4.0 scale. Enter courses, grades, and credit hours. Supports weighted GPA, c

Calculate your course grade from weighted assignments, tests, and exams. Find what score you need on

Calculate the pixels per inch (PPI) of any display from resolution and screen size. Compare display

Calculate and convert aspect ratios for images, videos, and screens. Resize dimensions while maintai

Convert colors between HEX, RGB, HSL, HSV, and CMYK formats. Pick colors visually and get CSS-ready

Convert shoe sizes between US, UK, EU, and CM (Japanese) sizing systems. Separate charts for men, wo

Convert ring sizes between US, UK, EU, and Japanese scales. Find your ring size with our measurement

Convert cooking measurements between cups, tablespoons, teaspoons, milliliters, ounces, and grams. S

Calculate the volume of concrete needed for slabs, footings, columns, and stairs. Estimate bags of p