Calculators
Fast calculators for math, finance and everyday problems — averages, proportions, tips and more.
- Average Calculator
Quickly find the average of a list of numbers.
- Factoring Calculator
Quickly factor integers into primes and quadratics into roots.
- GCF Calculator
Quickly find the greatest common factor of two numbers.
- HELOC Calculator
Quickly estimate HELOC draw-period and repayment-period monthly payments.
- LCM Calculator
Quickly find the least common multiple of two numbers.
- Proportion Calculator
Quickly solve a proportion for any missing value.
- Square Footage Calculator
Quickly calculate the square footage of a room from its length and width.
- Tip Calculator
Quickly calculate a tip and split the bill between any number of people.