Calculators
Free online calculators for math, finance, time, and measurement. Fast, accurate results with step-by-step breakdowns — no signup required.
Math
Percentage Calculator
Calculate percentages, increases, decreases, and more
Fraction Calculator
Add, subtract, multiply, and divide fractions
Square Root Calculator
Calculate square roots, cube roots, and nth roots
Cube Root Calculator
Calculate cube roots with step-by-step solutions
GCF Calculator
Find greatest common factor and least common multiple
PEMDAS Calculator
Evaluate expressions using order of operations
Ratio Calculator
Simplify ratios and solve proportions
Average Calculator
Calculate mean, median, mode, range, and sum
Polynomial Division
Divide polynomials with step-by-step solutions
Finance
Tip Calculator
Calculate tips and split bills easily
Margin Calculator
Calculate profit margin and markup percentage
Markup Calculator
Calculate markup percentage and selling price
Discount Calculator
Calculate sale prices and savings with tax
Loan Calculator
Calculate monthly payments, interest, and amortization
Compound Interest
Calculate compound interest growth over time
Prorate Calculator
Calculate prorated amounts for partial periods
Time & Date
Age Calculator
Calculate exact age in years, months, and days
Date Calculator
Calculate date differences and add/subtract days
Hours Calculator
Calculate hours between times for timesheets
Time Card Calculator
Calculate work hours from clock-in/out times
Time Duration
Calculate duration between two times