Bills and Budgeting Calculators
Bills & Budgeting Calculators
Free UK bills and budgeting tools — energy bills, budget planner, fuel costs, benefits and childcare.
Take control of your household finances. Our bills and budgeting calculators help you track spending, reduce energy costs, check benefit entitlements, and plan for upcoming expenses.
Monthly Budget Planner
Plan your monthly budget and track income versus expenses. Find where your money goes and identify savings opportunities.
Open calculator →Energy Bill Calculator
Estimate annual energy bills based on the Ofgem price cap and your usage. Updated for Q2 2026 rates.
Open calculator →Fuel Cost Calculator
Calculate your weekly, monthly and annual fuel bill based on mileage and MPG. Find your cost per mile.
Open calculator →Benefits Calculator
Check which benefits you may be entitled to in 2026/27 including Universal Credit, Child Benefit, PIP and more.
Open calculator →Home Energy Savings Calculator
Calculate how much you could save on energy bills with insulation, solar panels, smart thermostat and other improvements.
Open calculator →Childcare Cost Calculator
Calculate childcare costs after free hours entitlement and Tax-Free Childcare support. Updated for the 2026 expansion.
Open calculator →Broadband Finder
Find and compare broadband deals. Full-fibre FTTP now available to over 55 percent of UK homes.
Open calculator →Broadband Savings Calculator
Calculate how much you could save by switching broadband provider. The average household overpays £100 to £200 per year on broadband.
Open calculator →Broadband Exit Fee Calculator
Calculate whether paying your broadband exit fee to switch to a better deal now would save money overall.
Open calculator →Broadband Speed vs Price Calculator
Calculate the cost per Mbps of different broadband packages. Find out whether upgrading to faster broadband is worth the extra monthly cost.
Open calculator →Mobile Data vs Home Broadband
Calculate whether a 4G or 5G mobile data plan could replace your home broadband connection and save money.
Open calculator →Energy Costs Change More Often Than People Check
Ofgem updates the energy price cap every three months, and a household that hasn't checked their actual usage against the current rates in a while can be working from genuinely outdated assumptions about what a typical bill should look like. The Energy Bill Calculator uses the current quarter's rates directly, rather than a rough annual average that may already be a few months stale.
A budget planner is only as useful as the categories it actually separates out — lumping every non-essential cost into one vague "other" line makes it much harder to see where a budget is genuinely under pressure. Our Budget Planner breaks spending into specific categories so a genuine pattern, not just a single overall total, becomes visible.
Benefit entitlement is worth checking periodically even if your circumstances feel unchanged, since thresholds and rates are updated each tax year — the Benefits Calculator reflects the current year's figures rather than assuming last year's entitlement still applies exactly as before.