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Free calculators and practical tools for money, housing, cars, travel, groceries, dates, time, conversions and everyday decisions.
Everything organized so visitors can find a tool quickly.
Budget, loans, interest, debt, savings, tax and paycheck tools.
Rent, mortgage, utilities, property and household costs.
Car payments, fuel, MPG, EV, mileage, road trips and more.
Travel, food, pets, dates, time, health, math and conversions.
Search the complete tool directory.
Calculate income, expenses and money remaining.
Estimate a monthly budget from gross pay and your custom deduction percentage.
Enter any percentage you want. Nothing is fixed.
Enter any custom discount percentage.
Enter your own tax rate, including decimals such as 7.25%.
Enter any tip percentage and number of people.
Calculate simple interest.
Estimate compound growth.
Estimate a monthly loan payment.
Estimate payoff months and interest using a fixed monthly payment.
Calculate monthly debt as a percentage of gross monthly income.
Calculate the monthly amount needed to reach a savings goal.
Estimate how many months your savings cover your expenses.
Estimate student loan payment.
Estimate future value of an account with regular monthly contributions.
Estimate what a current amount may cost after inflation.
Use your own rent percentage and other expenses.
Estimate principal and interest only.
Estimate a monthly housing budget using your own percentage.
Estimate annual and monthly property tax using your local rate.
Estimate electricity cost from kWh and your rate.
Estimate a basic usage charge.
Estimate moving costs from distance, labor and supplies.
Estimate project cost from area and unit price.
Estimate payment, insurance, fuel, maintenance and other costs.
Estimate a car-loan payment.
Calculate fuel used and trip cost.
Calculate miles per gallon.
Estimate charging cost from energy added and electricity rate.
Estimate fuel, hotel and food for a road trip.
Compare basic monthly lease cost with a purchase payment.
Estimate reimbursement from miles and your rate.
Estimate groceries using your own weekly spending per person.
Estimate transportation, hotel, food and activities.
Calculate hotel cost from nightly rate, nights and fees.
Estimate monthly and yearly dog expenses.
Estimate monthly and yearly cat expenses.
Estimate basic monthly baby expenses.
Calculate age from date of birth.
Find days between two dates.
Calculate duration between two times on the same day.
Convert Fahrenheit and Celsius.
Convert common US and metric units.
Use the converter below. Enter a value and choose a conversion.
Calculate average speed from distance and time.
Calculate running pace per mile.
Calculate BMI from height and weight.
Convert cups, tablespoons and teaspoons.
Convert common US kitchen/liquid volume units.
Calculate rectangular area in square feet.
Enter comma-separated numbers to calculate their average.
Add, subtract, multiply or divide two fractions.
Convert KB, MB, GB and TB using binary 1024 units.
Use a rate you enter; no live exchange-rate claim is made.
Compare two UTC offsets manually.
Original guides should explain the calculations, assumptions and real-world factors behind each tool.
Explain payment, insurance, fuel, maintenance and depreciation factors.
Explain rent, mortgage, taxes, insurance and household costs.
Explain how to use income, fixed costs, variable costs and savings goals.
Explain transportation, hotel, food and activity assumptions.
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Calculate smarter and understand everyday costs in one place.
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