Calculators

66 tools · Finance, date, math, and everyday calculators.

Compound Interest Calculator

Calculate compound interest growth over time.

Simple Interest Calculator

Calculate simple interest on a principal.

Loan Calculator

Estimate loan payments and totals.

Mortgage Calculator

Estimate mortgage payments.

Calculate equated monthly installments.

Savings Calculator

Project savings growth over time.

Investment Return Calculator

Estimate investment returns.

Calculate return on investment.

Inflation Calculator

Adjust amounts for inflation.

Salary to Hourly Calculator

Convert annual salary to hourly rate.

Hourly to Annual Salary Calculator

Convert hourly rate to annual salary.

Percentage Calculator

Calculate percentages quickly.

Percentage Increase Calculator

Calculate percentage increase.

Percentage Decrease Calculator

Calculate percentage decrease.

Discount Calculator

Calculate sale price after discount.

Profit Margin Calculator

Calculate profit margin.

Markup Calculator

Calculate markup from cost.

Add or remove VAT from an amount.

Sales Tax Calculator

Calculate sales tax and totals.

Commission Calculator

Calculate sales commission.

Break Even Calculator

Find your break-even point.

Freelancer Rate Calculator

Estimate a sustainable freelance rate.

Hourly Rate Calculator

Derive hourly rate from target income.

Split tips and calculate tip amounts.

Split Bill Calculator

Split a bill between people.

Calculate exact age from a birth date.

Date Difference Calculator

Find the difference between two dates.

Days Between Dates

Count days between two dates.

Business Days Calculator

Count business days between dates.

Working Days Calculator

Count working days between dates.

Add Days to Date

Add days to any date.

Subtract Days from Date

Subtract days from any date.

Time Duration Calculator

Calculate duration between times.

Hours Between Times

Find hours between two times.

Countdown Calculator

Countdown to a future date and time.

Birthday Countdown

Days until your next birthday.

Unix Timestamp Calculator

Convert Unix timestamps and dates.

Average Calculator

Calculate mean average of numbers.

Ratio Calculator

Simplify and compare ratios.

Proportion Calculator

Solve proportions.

Fraction Calculator

Add, subtract, multiply, and divide fractions.

Fuel Cost Calculator

Estimate trip fuel cost.

Fuel Economy Calculator

Calculate MPG or L/100km.

Mileage Calculator

Calculate distance and reimbursement.

Pace Calculator

Calculate running or walking pace.

Speed Calculator

Calculate speed from distance and time.

Distance Calculator

Calculate distance from speed and time.

Calculate body mass index.

Estimate basal metabolic rate.

Calorie Estimate Calculator

Estimate daily calorie needs.

Water Intake Calculator

Estimate daily water intake.

Unit Price Calculator

Compare unit prices.

Price Per Gram Calculator

Calculate price per gram.

Price Per KG Calculator

Calculate price per kilogram.

Scientific Calculator

A scientific calculator for advanced math.

Basic Calculator

A simple calculator for everyday arithmetic.

Square Root Calculator

Calculate square roots.

Exponent Calculator

Calculate exponents and powers.

Calculate logarithms.

Find the greatest common divisor.

Find the least common multiple.

Prime Number Checker

Check whether a number is prime.

Factorial Calculator

Calculate factorials.

Permutation Calculator

Calculate permutations (nPr).

Combination Calculator

Calculate combinations (nCr).

Standard Deviation Calculator

Calculate standard deviation.