Calculators
Fast, accurate calculators for finance, education, and daily tasks.
GPA Calculator
Calculate your college or high school GPA instantly.
Loan Calculator
Estimate monthly payments and total interest.
Age Calculator
Calculate your exact age in years, months, and days.
Date Difference Calculator
Find the exact difference between two dates.
Percentage Calculator
Calculate percentages, percentage change, and more.
Grade Calculator
Calculate your weighted or unweighted course grade.
Time Zone Converter
Convert time between any world time zones.
Fuel Cost Calculator
Estimate fuel costs for any trip distance.
Data Usage Calculator
Estimate your monthly internet data consumption.
Savings Goal Calculator
Find out how long to reach your savings goal.
Break-Even Calculator
Calculate your break-even point in units and revenue.
Markup Calculator
Calculate markup percentage and selling price.
VAT/Tax Calculator
Add or remove VAT/tax from any price.
Commission Calculator
Calculate flat or tiered sales commission.
Discount Calculator
Calculate discount savings and final price.
Weight Converter
Convert between kg, lbs, oz, stones, and more.
Height Converter
Convert between cm, feet, inches, and meters.
Speed Converter
Convert between mph, km/h, knots, m/s, and more.
Pregnancy Due Date Calculator
Estimate your due date and track milestones.
Retirement Savings Calculator
Project your retirement savings and income.
GPA to Percentage Converter
Convert between GPA and percentage across scales.
Random Number Generator
Generate random numbers with custom ranges.