Everyday Math Calculators
Quick, general-purpose math calculators for percentages, discounts, and other everyday number problems.
📊Percentage Calculator — Find what X% of a number is, what percent one number is of another, percent change between two values, or the whole from a known part.→🧾Tip Calculator — Calculate the tip and total for any bill, and split it evenly between any number of people.→🔄Unit Converter — Convert length, weight, volume, temperature, area, speed, time, data storage, pressure, energy, and angle units instantly, with formulas shown.→📐Square Footage / Area Calculator — Find the square footage of a rectangle, L-shape, circle, or triangle, and total multiple rooms at once, in sq ft, sq m, or sq yd, with cost.→🎓GPA Calculator — Calculate your semester and cumulative GPA from your courses, credit hours, and grades — with weighted Honors/AP support and a target-GPA planner.AI Insights→📝Grade / Final Grade Calculator — Calculate your current course grade from weighted categories, solve for the score you need on a final exam, and send the result straight into the GPA Calculator.AI Insights→🧮Sales Tax Calculator — Add or reverse-calculate sales tax on any price — enter a rate directly or start from a U.S. state to auto-fill a representative rate.AI Insights→🏷️Discount / Sale Price Calculator — Find a sale price from one or more stacked discounts, work out what percent off a deal really is, or find the original price from a sale price.AI Insights→💹Margin / Markup Calculator — Find a sale price from cost and a target margin or markup, check both percentages from cost and price, or find the max cost you can pay for a target margin.AI Insights→📣PPC Calculator — Calculate CPC, CPM, and CTR from your ad spend, impressions, and clicks — plus optional conversion rate, CPA, and ROAS if you add conversions and revenue.AI Insights→🛣️Road Trip Cost Calculator — Estimate total fuel cost for a road trip from distance, fuel economy, and gas price — plus cost per person if you're splitting it.AI Insights→🗣️Words to Minutes Calculator — Find how long a speech or reading will take from its word count and pace, or how many words fit in a set amount of time.AI Insights→
Advertisement
Looking for something else? See every calculator on QuickCalc.ai →