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
See the monthly surplus or deficit left by take-home income and five expense groups, with savings rate, housing share and the annual total.
Budget vs Actual Variance Calculator
Compare budgeted against actual spending over any tracking period, with the gap shown as a percentage, a monthly average and an annualised figure.
Coffee Machine vs Cafe Break-Even Calculator
Work out how many weeks a home coffee machine takes to repay itself against cafe prices, with per-cup savings and one and five year totals.
Grocery Budget Calculator
Turn a per-person grocery rate into weekly, monthly and annual totals for your household, with adults and children costed separately.
Round-Up Savings Calculator
Project what rounding up every card purchase accumulates over the years, with interest compounding monthly 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
See what share of monthly take-home income goes to subscriptions. Enter streaming, software and other recurring charges to get the total as a percentage.
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.