Keeping everyday costs in check is easier when the numbers are clear. These budgeting tools let you build a full monthly plan with the Budget Calculator, split household or restaurant bills fairly with the Split Bill Calculator, compare long-term EV vs Petrol costs, estimate utility bills with the Electricity Bill Calculator, and work out Prorated Rent when a lease starts mid-month.
Browse the most-used tools in the popularity-ranked list or switch to the Trending tab to see what other households are calculating right now. Everything here is free, works on any device, and needs no sign-up.
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Percent of Budget Spent CalculatorFind what percentage of your budget you have spent. Enter your total budget and amount spent to see percent used, percent remaining, and money left.
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Monthly Savings Needed for Goal CalculatorFind the monthly deposit needed to reach a savings goal by a target date, accounting for compound investment growth at your expected annual return.
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Savings Rate to Retirement CalculatorCalculate your savings rate — the percentage of take-home income you save each period. Enter amount saved and income to see your savings rate instantly.
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Cost of Raising a Child CalculatorEstimate the total cost of raising a child to age 18 plus annual and monthly costs. Enter the annual cost, your child's age and number of kids.
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Spending as Percent of Income CalculatorCalculate what percentage of your income goes to a spending category. Enter category spending and total income to see the percent and remaining amount.
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Income Needed for a Purchase CalculatorFind out how much to set aside from each paycheck to reach your savings goal. Enter your target amount and number of paychecks for an instant answer.
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Pet Monthly Cost CalculatorEstimate the true monthly cost of owning a dog or cat. Add food, supplies, annual vet bills, insurance and misc to get monthly and yearly totals.
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Break-Even Point CalculatorCalculate your break-even point in units. Enter fixed costs, price per unit, and variable cost to find how many units you must sell to cover costs.
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Eating Out vs Cooking at Home Savings CalculatorCompare the cost of eating out versus cooking at home. See how much you can save per month and per year by preparing meals yourself.
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Hotel Cost Per Night & Total Stay CalculatorCalculate your total hotel cost including tax and fees, plus the average cost per night and the cost split per guest for any length of stay.
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Debt Snowball Payoff Time CalculatorCalculate how many months and years it takes to pay off a debt given balance, APR, and fixed monthly payment, plus total interest paid.
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Sale Price CalculatorCalculate the final sale price after a percent-off discount. Enter the original price and discount % to see the price you pay and the amount you save.
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Overtime Pay CalculatorCalculate your overtime pay from OT hours, hourly rate and multiplier (1.5×, 2×). See extra weekly, monthly and yearly income from overtime.
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Hourly to Monthly Budget CalculatorConvert your hourly wage into monthly take-home pay. Enter your rate, weekly hours, and tax rate to see net monthly, weekly, and annual income for budgeting.
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Percentage of Salary Spent on Rent CalculatorFind out what percentage of your salary goes to rent. Enter monthly rent and annual salary to check affordability against the 30% rule.
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Rent-to-Income Ratio CalculatorCalculate your rent-to-income ratio instantly. Enter monthly rent and gross income to see what percentage of pay goes to rent and if it's affordable.
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Electricity Cost of Appliance CalculatorCalculate the electricity cost of any appliance. Enter watts, hours per day, days per month and your price per kWh to get daily, monthly and yearly cost.
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Restaurant Bill with Tax and Tip CalculatorCalculate your full restaurant bill including sales tax and tip. Enter the subtotal, tax %, and tip %, then split the total evenly between any number of people.
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Price Increase Percentage CalculatorCalculate the percentage increase between an old price and a new price. Enter both values to see the percent change and absolute difference instantly.
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How Long Will My Money Last CalculatorFind out how many months and years your savings will last based on your current balance and monthly spending. Free, instant savings runway calculator.
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Gas Cost Trip CalculatorEstimate the gas cost of any trip from distance, MPG, and fuel price. Fast, free fuel cost calculator for road trips and commutes.
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Cost Per Use CalculatorCalculate the cost per use of any purchase by dividing the price by the number of times you use it. See if an item is truly worth the money.
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Trip Budget CalculatorEstimate your total vacation cost with the trip budget calculator: add transport, lodging per night, daily food, and activities to get total, per-person, and per-day costs.
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50/30/20 Budget CalculatorSplit your monthly income with the 50/30/20 rule: 50% needs, 30% wants, 20% savings. Free budget calculator with instant category amounts.
Frequently asked questions
What expenses can I plan with these calculators?
You can map out a full monthly budget, calculate layaway payment schedules, estimate electricity bill costs, determine prorated rent for a partial month, balance a checkbook, compare the total long-term cost of an EV versus a petrol car, and split any shared bill fairly among multiple people.
How accurate are the results?
These tools use standard budgeting and billing formulas and are a reliable starting point for personal planning. Actual costs depend on local utility rates, provider pricing, and individual usage. Results are NOT financial advice — consult a qualified financial professional before making significant spending or financing decisions.
Are these tools free to use?
Yes. Every calculator is completely free with no account, subscription, or email address required. Open any tool, enter your numbers, and get an instant breakdown of costs, payments, or savings on any device.
Do you store my budget or expense data?
No. All calculations run entirely in your browser. We do not collect, log, or transmit any of the financial details, bill amounts, or personal figures you enter — your data never leaves your device.
Which budgeting calculators are the most popular?
The list is sorted by real visitor usage, placing the most-visited tools at the top. Open the Trending tab to see which calculators are gaining traction right now, or check Recently Added for the latest additions to this category.
