Budget Calculators
Take control of your monthly finances with precision budgeting calculators.
12 free calculators in this category
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.
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
Add up your total yearly expenses from monthly recurring costs plus one-off annual bills. See where your money goes across each spending category.
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 vs Actual Variance Calculator
Calculate budget variance from budgeted versus actual spending with monthly figure and annualised projection of the gap.
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.
Grocery Budget Calculator
Calculate weekly, monthly, and annual grocery budget from household adults, children, and per-person food cost assumptions.
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.
Subscription-to-Income Stress Tool
Calculate the percentage of monthly income allocated to subscriptions and assess financial stress levels from recurring subscription expenses.
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.