Budget Calculators
Take control of your monthly finances with precision budgeting calculators.
89 free calculators in this category
50/30/20 Budget Calculator
Calculate your 50/30/20 budget split from monthly net income and see exact dollar allocations for needs, wants, and savings buckets.
50/30/20 Budget Rule Calculator
Calculate your 50/30/20 budget rule split from monthly take-home income and compare needs, wants, and savings against your actual spending.
AI Tools Cost Calculator
Calculate total AI subscription spending. ChatGPT, Claude, Gemini, plus others combined into monthly, annual, and 5-year projections.
Annual Budget Health Check
Score your annual budget health across 50/30/20, savings rate, emergency fund, and debt ratios. Get a 0-100 score with diagnostic breakdown.
Annual Budget Planner
Plan your full year budget: income, essentials, discretionary, savings goals, and one-off expenses. See annual surplus and goal achievability.
Annual Car Running Cost Calculator
Calculate the full annual cost of car ownership: fuel, insurance, road tax, servicing, tyres, and depreciation. See true per-mile cost.
Annual Expense Calculator
Calculate total annual household expenses by summing monthly recurring categories plus one-off annual costs to size each spending bucket.
Annual Gift Budget Calculator
Calculate annual gift spend across birthdays, your main seasonal holiday, and other occasions. Enter frequency and per-gift amounts to see the yearly total.
Annual Subscriptions Audit Calculator
Calculate annual subscription costs across streaming, software, gym and misc categories. See yearly totals, category breakdown and 5-year spend.
ATM Fee Annual Cost Calculator
Calculate annual ATM fees from out-of-network usage and long-term cumulative total. Enter weekly uses and fee per use to see annual fees and weekly fees.
Bank Fee Annual Cost Calculator
Calculate total annual bank fees to identify how much bank relationships actually cost. Enter maintenance to see annual total and monthly fees annualized.
Bread Maker Break-Even Calculator
Calculate when a bread maker pays for itself. Enter machine cost, ingredient cost, shop loaf price, and weekly usage to see break-even in weeks.
Budget Calculator
Calculate monthly budget surplus or deficit from income and core expenses. See savings rate, housing percentage, annual surplus.
Budget Leak Detector
Identify recurring subscriptions, bank fees, and convenience spending that add up over time. See monthly and yearly totals for common budget leaks.
Budget Surplus Allocation Calculator
Calculate monthly surplus allocation across debt paydown, savings, and investing based on chosen percentage targets for each bucket.
Budget vs Actual Variance Calculator
Calculate budget variance from budgeted versus actual spending with monthly figure and annualised projection of the gap.
Budgeting Method Selector
Compare budgeting methods including 50/30/20 rule, zero-based budgeting, envelope system, and pay-yourself-first approach with calculation examples.
Bulk Buy Savings Calculator
Calculate bulk buying membership savings and determine break-even spending thresholds. Compare per-unit costs for bulk versus regular purchases.
Cash Envelope Budget Calculator
Calculate cash envelope budget allocations against monthly income to see total spending, surplus or deficit, and each category as a percentage.
Charitable Giving Budget Calculator
Calculate an annual charitable giving target as a percentage of income. Shows the annual donation total and the monthly equivalent for a regular gift.
Childcare Monthly Budget Calculator
Calculate monthly childcare spend across nursery, after-school, and activities. Enter nursery weekly and after-school weekly to see monthly total.
Christmas Total Spend Calculator
Calculate total Christmas spend across gifts, food, decorations, and travel — the all-in figure for the season at your usual pattern.
Cleaning Service Annual Cost Calculator
What a professional cleaner costs across the year from visit length, hourly rate, and visit frequency — monthly and annual totals.
Coffee Machine vs Cafe Break-Even Calculator
Calculate how quickly a home coffee machine pays back versus café purchases — per-cup savings and multi-year cumulative totals.
Couple vs Single Living Cost Calculator
Calculate the per-person savings from sharing household costs as a couple vs living alone. See annual savings from rent, utilities, and shared expenses.
Daily Latte vs Investing Calculator
Multi-decade cost of a daily coffee habit if the money were invested instead, given daily spend and assumed annual return.
Daily Spending Limit Calculator
Calculate your daily discretionary spending limit from income, fixed costs, and savings goals. Simple budget math that works.
Dishwasher vs Handwashing Cost Calculator
Compare dishwasher versus handwashing costs including water, time value, and multi-year savings — see which way is cheaper for the household.
Dry Cleaning Annual Cost Calculator
Calculate annual dry cleaning spend from weekly items and per-item cost. Enter items per week and price per item to see annual cost.
Envelope Budgeting Calculator
Split your income into needs, wants, and savings envelopes. Try 50/30/20 or set your own percentages and see monthly amounts.
Expense Tracker Calculator
Expense tracker calculator with category breakdown as percentage of income. See total spending, surplus or deficit, and where your money actually goes.
Family Budget Calculator
Calculate household surplus from combined income and family spending. See average spend per member, savings rate, annual surplus.
Food Delivery Annual Cost Calculator
Calculate annual food delivery spending including delivery fees and tips — the real cost of ordering in versus eating out or cooking.
Food Waste Cost Calculator
What household food waste costs annually across multi-year periods from grocery spend and percentage thrown away uneaten.
Generic vs Brand Calculator
Compare the annual and 10-year savings from choosing generic over brand-name products. Calculate item-by-item and total savings.
Gift Annual Spend Calculator
Calculate total annual gift spend across birthdays, holidays, weddings and other occasions. Enter gifts per year and average value for an instant total.
Gift Giving Annual Jar Calculator
Monthly contribution to a gift jar that covers your annual present spending, given recipient counts and average gift values.
Grocery Budget Calculator
Calculate weekly, monthly, and annual grocery budget from household adults, children, and per-person food cost assumptions.
Grocery Inflation Impact Calculator
Project the future cost of your current grocery spend at expected food inflation. Enter monthly grocery for future spend and cumulative extra cost.
Hairstyle Annual Cost Calculator
Calculate annual hairstyling cost including cuts, colour and treatments. Enter sessions per year and per-session price for the annual total.
Hidden Fee Erosion Calculator
Calculate the true total cost of recurring monthly fees including opportunity cost. See how much wealth is lost to hidden charges over time.
Home Gardening Annual Cost Calculator
Calculate annual home gardening cost across supplies, lawn care, equipment and professional services. Enter all four lines for an annual total.
Home Renovation Budget Calculator
Calculate a realistic home renovation budget — materials, labour, fixed costs and contingency, with a per-m² breakdown. Currency-neutral.
Household Budget Surplus Calculator
Calculate household monthly budget surplus from total income and total expenses. Shows the monthly surplus, the savings rate and the annual surplus.
Impulse Purchase Cost Calculator
Calculate impulse purchase cost annually and over decades — direct spend plus the investment opportunity cost. Enter amount and purchases per month.
Income Allocation Calculator
Income allocation calculator using the 50/30/20 rule. Split monthly income into needs, wants, and savings with customisable percentages.
Irregular Income Budget Calculator
Calculate the cash buffer needed for irregular-income households with variable monthly earnings, given typical income range and floor expenses.
Laundry Service vs DIY Calculator
Laundry service versus doing laundry at home, given loads per week and service price per load — annual difference and break-even point.
Loyalty Card Break-Even Calculator
Calculate the annual spend needed at a retailer to break even on a paid loyalty card's annual fee, at the discount or cashback rate offered.
Meal Cost Per Plate Calculator
Calculate meal cost per plate at home by entering ingredient cost, portions, and energy use to see your real cost per serving and compare to takeaway.
Meal Kit vs Supermarket Calculator
Calculate savings from supermarket cooking versus meal kit subscription over multi-year period. Enter meal kit per meal to see total savings and weekly.
Monthly Bill Reduction Calculator
Add up yearly savings from reducing monthly bills across utilities, insurance, broadband, subscriptions, and phone plans.
Monthly Cash Flow Calculator
Calculate monthly cash flow — income minus fixed costs, variable costs and savings. Enter the four lines for a surplus/deficit figure and savings rate.
Monthly Expense Breakdown Analyzer
Analyze monthly spending patterns by category with percentage breakdowns. Identify expense allocation and track discretionary versus fixed costs.
Monthly Surplus Calculator
Calculate your monthly surplus after essential and discretionary spending. See what is available for additional savings, debt reduction, or investment.
Moving House Cost Calculator
Full price of moving house: removals, deposits, professional fees, cleaning, temporary storage, and the setup costs that pile up at move time.
No Spend Challenge Calculator
Calculate potential savings from no-spend challenge of any duration. Enter challenge days to see challenge savings and daily normal spend.
No-Spend Month Calculator
Calculate savings from no-spend months plus the future value if invested at a given return. Enter number of no-spend months to size each spending bucket.
Payday Budget Calculator
Allocate each paycheque across fixed expenses, savings, and discretionary spending. Enter net pay per paycheque and see the discretionary amount instantly.
Pay Yourself First Calculator
Project pay-yourself-first savings growth from income, savings percentage, and expected return over your chosen time horizon.
Payday Cashflow Calendar
Map income deposits and bill payment dates on a calendar view. Visualize monthly cash flow patterns and identify potential shortfall periods or timing issues.
Per Head Per Day Spending Calculator
Calculate cost per head per day for shared trips or household expenses — split total spend by people and days for a per-unit figure.
Recurring Bill Escalation Simulator
Project recurring bill growth over 10 years with annual price increases. Identify subscription creep and total long-term expense impact.
Round-Up Savings Calculator
Total accumulated by rounding up every transaction across years, with optional interest compounding on the running balance.
Savings Jar Calculator
See what a daily savings jar habit grows to. Project a small daily deposit over years with interest compounding in a savings account.
Savings Rate Calculator
Compute monthly savings percentages and benchmark against financial independence targets. Compare personal savings rates to standard financial goals.
Seasonal Purchase Audit Calculator
Sum four seasonal spending events into an annual total and monthly equivalent — what holiday-and-occasion buying actually adds up to.
Spare Change Investment Calculator
Project what daily card round-ups could grow to. Enter your average daily spare change and see the compound return over years.
Spending Audit Calculator
Audit spending against target allocations across essentials, wants, and savings buckets. Enter net income to see total variance and per-category variance.
Spending by Category Calculator
Analyse monthly spending by category with percentage targets and biggest-category identification, from income after tax and per-category spend.
Spending Reset Calculator
Calculate what a 30/60/90-day spending reset saves. Enter current spend, reset target, duration, and see direct savings and invested opportunity cost.
Storage Unit Annual Cost Calculator
Annual and lifetime cost of renting a self-storage unit — what the monthly fee compounds into across the years you keep paying it.
Subscription Audit Calculator
Audit total monthly subscriptions. See annual, 5-year, and 10-year spend plus daily cost across entertainment and services.
Subscription Burn Rate Visualizer
Visualize total subscription costs broken down by day, week, month, and year in unified dashboard for expense awareness.
Subscription Cost Inflation
Track subscription price inflation over time and project future costs based on annual price escalation rates and compound growth calculations.
Subscription Cost Stack Calculator
Total up to 8 monthly subscriptions into annual and lifetime cost. See what your full subscription stack is really costing.
Subscription Price Per Use
Calculate true subscription cost per use and identify break-even usage rates. Determine actual value and assess subscription ROI for recurring service expenses.
Subscription-to-Income Stress Tool
Calculate the percentage of monthly income allocated to subscriptions and assess financial stress levels from recurring subscription expenses.
Takeaway Habit Investment Calculator
Calculate what your takeaway habit would be worth if invested instead over 10 or 20 years at compounding market returns.
True Cost of Pet Calculator
Calculate the true cost of pet ownership with annual and lifetime totals based on food, vet, insurance, and other recurring expenses.
Tumble Dryer Cost Per Use Calculator
Calculate tumble dryer running cost per cycle, week, and year. Enter dryer power in kW, cycle time, electricity rate per kWh, and cycles per week.
Vegetarian vs Meat Diet Cost Calculator
Compare the long-term cost of a vegetarian vs meat-based diet. Enter weekly grocery spend, time horizon, and return rate to see the projected gap.
Wait to Buy Calculator
Calculate the interest earned on a purchase amount during a waiting period. Enter item price, days to wait, and annual savings rate to see the gain.
Water Filter vs Bottled Water Calculator
Compare the cost of a water filter vs bottled water. Enter monthly bottled spend, filter cost, cartridge expense, and time horizon to see the difference.
Wedding Gift Budget Calculator
Estimate a wedding gift figure based on relationship closeness and the per-plate cost of the wedding. Returns an illustrative reference range, not a rule.
Weekly Budget Calculator
Calculate weekly surplus or shortfall with monthly and annual rollups. Enter weekly income, fixed and variable expenses, and a savings target.
Weekly Spend Tracker Calculator
Project annual totals from weekly spending across essentials, discretionary, and savings, plus the savings share of total weekly outflow.
Wine Subscription True Cost Calculator
Total cost of a wine subscription versus equivalent retail bottles from monthly cost, bottles received, retail equivalent, and time horizon.
Zero-Based Budget Calculator
Build a zero-based budget by assigning every unit of monthly income to a category. See unallocated or over-allocated amount and the share of income per group.
About Budget Calculators
Whether tracking household expenses, planning a first budget, or fine-tuning spending habits, these calculators provide clear breakdowns of where money goes each month. Enter income and expense categories to see exactly how spending compares to common benchmarks and guidelines.