Calculators
Loan, mortgage, interest, tax, margin and everyday calculators. Each calculator shows the formula it uses so you can verify the result. Results are estimates and not financial advice.
Most popular
Percentage CalculatorCalculate X% of Y, what percent one number is of another, percentage change, and percentage increases or decreases.Sales Tax CalculatorCalculate US sales tax and the total price for any combined state, county and city rate and quantity.Loan CalculatorCalculate monthly loan payments, total interest and a full amortization schedule. See how extra payments shorten the loan.Mortgage CalculatorEstimate your full monthly mortgage payment including principal, interest, property tax, insurance, HOA and PMI.Compound Interest CalculatorSee how investments grow with compound interest and regular contributions. Yearly breakdown and effective annual rate.Profit Margin CalculatorCalculate gross profit margin and markup from cost and price, or find the selling price for a target margin.Hourly to Salary CalculatorConvert hourly wage to annual, monthly, bi-weekly and weekly salary — or salary back to an hourly rate.Age CalculatorCalculate exact age in years, months and days, total days and weeks, days until the next birthday and birth weekday.BMI CalculatorCalculate Body Mass Index in US or metric units, see the WHO category and the healthy weight range for your height.Temperature ConverterConvert between Fahrenheit, Celsius, Kelvin and Rankine instantly, with the exact formulas shown.
All calculators (30)
Percentage CalculatorCalculate X% of Y, what percent one number is of another, percentage change, and percentage increases or decreases.Discount CalculatorFind the sale price and savings for any discount, including stacked discounts (e.g. 25% + 10% off) and sales tax.VAT CalculatorAdd VAT to a net price and see the VAT amount and gross total for any rate (20%, 19%, 21%…).Reverse VAT CalculatorExtract VAT from a VAT-inclusive (gross) price to find the net amount and the VAT included.Sales Tax CalculatorCalculate US sales tax and the total price for any combined state, county and city rate and quantity.Reverse Sales Tax CalculatorWork backwards from a total paid to find the pre-tax price and the sales tax included.Loan CalculatorCalculate monthly loan payments, total interest and a full amortization schedule. See how extra payments shorten the loan.Mortgage CalculatorEstimate your full monthly mortgage payment including principal, interest, property tax, insurance, HOA and PMI.Car Lease CalculatorCalculate a car lease payment from MSRP, negotiated price, residual value, money factor or APR, and sales tax.Car Payment CalculatorEstimate monthly auto loan payments including sales tax, fees, down payment, trade-in and negative equity.Compound Interest CalculatorSee how investments grow with compound interest and regular contributions. Yearly breakdown and effective annual rate.Simple Interest CalculatorCalculate simple interest and the total amount for any principal, rate and time in years, months or days.Savings Goal CalculatorFind the monthly deposit needed to reach a savings goal, or how long it will take with your current deposits.ROI CalculatorCalculate return on investment (ROI), gain or loss, and annualized return (CAGR) for any investment period.Profit Margin CalculatorCalculate gross profit margin and markup from cost and price, or find the selling price for a target margin.Markup CalculatorCalculate selling price and profit from cost and markup percentage, and see the resulting gross margin.Break-Even CalculatorFind how many units you must sell to cover fixed costs, plus break-even revenue and contribution margin.Hourly to Salary CalculatorConvert hourly wage to annual, monthly, bi-weekly and weekly salary — or salary back to an hourly rate.Overtime CalculatorCalculate overtime pay at time-and-a-half or double time, and total gross pay for the week.Tip CalculatorCalculate the tip and total for any bill with one-tap 15%, 18%, 20% presets or a custom percentage.Tip & Bill Split CalculatorSplit a bill and tip evenly between any number of people, with exact cent handling and optional rounding up.Age CalculatorCalculate exact age in years, months and days, total days and weeks, days until the next birthday and birth weekday.Date Difference CalculatorCount days, weeks, months and years between two dates, including business days (Mon–Fri).Time Duration CalculatorCalculate hours and minutes between two times, including overnight shifts and unpaid breaks. Decimal hours for timesheets.BMI CalculatorCalculate Body Mass Index in US or metric units, see the WHO category and the healthy weight range for your height.Aspect Ratio CalculatorFind the aspect ratio of any width and height, and calculate a new width or height that keeps the same proportions.Fuel Consumption CalculatorCalculate MPG (US & UK), L/100 km and km/L from distance and fuel used, plus trip fuel cost.Electricity Cost CalculatorEstimate the electricity cost of any appliance per day, month and year from its wattage, usage hours and kWh price.Data Storage ConverterConvert between bits, bytes, KB, MB, GB, TB and binary units KiB, MiB, GiB, TiB — and see why your 1 TB drive shows 931 GB.Temperature ConverterConvert between Fahrenheit, Celsius, Kelvin and Rankine instantly, with the exact formulas shown.