Tool library
Calculators
Search, filter, and sort a growing collection of focused utilities designed to make everyday work faster and simpler.
Age Calculator
Calculate an exact age between two dates in seconds.
Basic Calculator
Add, subtract, multiply and divide with history and keyboard input.
Scientific Calculator
Trigonometry, logarithms, powers, and roots with history.
Average Calculator
Find the mean, sum, count, minimum and maximum of any numbers.
Compound Interest Calculator
Project savings growth with compounding and regular contributions.
Discount Calculator
Work out sale prices, savings, and stacked discounts.
Fraction Calculator
Add, subtract, multiply and divide fractions with a simplified result.
Loan Calculator
Estimate payments, interest, and a full amortization table.
Percentage Calculator
Solve everyday percentage questions quickly and clearly.
Percentage Change Calculator
Find the percent increase or decrease between two values.
Ratio Calculator
Solve equivalent ratios, find a missing value and simplify.
Simple Interest Calculator
Calculate simple interest and total amount over time.