Calculators and tools

Pond Calculator

Various calculators to make one's life easier. Calculators to calculate the volume of a pond, the size of liner required, a pump flow calculator and an electrical running cost calculator.

• Volume Gallons in your pond, any shape
• Liner size Length and width to order
• Pump flow Gallons per hour you need
• Running cost What your pump costs per year

Mulch, soil and gravel calculator

Work out how much mulch, topsoil, compost or gravel you need for your beds and borders, in cubic yards and bags.

Raised bed soil calculator

Work out how much soil you need to fill your raised beds, in cubic feet, cubic yards and bags, with the mix to use.

Lawn fertilizer calculator

Work out how much fertilizer to spread on your lawn, based on its size and the nitrogen in the bag.

Mortgage calculator

Work out your full monthly mortgage payment, including property tax, home insurance, PMI and HOA fees, and see how much interest you'll pay over the loan.

Home affordability calculator

Estimate how much house you can afford based on your income, debts and down payment, using the 28/36 rule many lenders start from.

Rent vs buy calculator

Compare the total cost of renting and buying over the years you plan to stay, and see when buying starts to come out ahead.

Paint calculator

Work out how much paint you need for a room, allowing for doors, windows and the number of coats.

Credit card payoff calculator

See how long it will take to pay off your credit card and how much interest you'll pay, or what you need to pay each month to clear it by a date you choose.

Debt payoff calculator

List your debts and see when you'll be debt-free with the snowball and avalanche methods, and which one saves you more interest.

Loan calculator

Work out the monthly payment, total interest and total cost of a personal loan or any fixed-rate loan.

Savings goal calculator

Find out how much to save each month to reach a savings goal by a set date, including the interest your savings earn.

Compound interest calculator

See how your savings or investments could grow over time with regular contributions and compound interest.

Budget calculator

Split your take-home pay into needs, wants and savings with the 50/30/20 rule, and see how your spending compares.

Emergency fund calculator

Work out how big your emergency fund should be and how much to save each month to build it.

Life insurance calculator

Work out how much life insurance your family would need, based on your income, debts, children's education and what you already have.

Health plan cost calculator

Compare health insurance plans on what you'd really pay in a year, including premiums, deductibles, coinsurance and the worst-case cost.

Road trip gas cost calculator

Work out how much gas a road trip will cost and how to split it, including tolls and parking.

Travel budget calculator

Add up the cost of a trip, from flights and lodging to food and activities, and see the total per person and per day.

Car loan calculator

Work out your monthly car payment and total cost, including your down payment, trade-in, sales tax and fees.

Gas cost calculator

Work out how much you spend on gas each month and year, and how much a more efficient car could save you.

EV vs gas cost calculator

Compare the yearly cost of charging an electric car with filling up a gas car, based on how you drive and charge.