Everyday calculators

Find X% of a number, what percent one number is of another, percent change, and a sale price after a discount.

Add tax and tip to a check and split it evenly or by what each person ordered.

Count characters with and without spaces as you type, with X, text message and meta description limits.

Count words, sentences and paragraphs as you type, with reading time, speaking time and your most used words.

How long a speech or script takes to say at a slow, average or fast pace, and how many words fit your time slot.

Translate text to international Morse code and Morse code back to text, with sending time.

Count business days between two dates, or find the date N business days out, skipping weekends and US federal holidays.

Convert US men's, women's and kids' shoe sizes to UK, EU and CM, or find your size from foot length.

Convert US, UK and EU ring sizes and find your size from the inside diameter or circumference in mm.

Win percentage with NFL-style ties, games back, batting average, on-base percentage and ERA.