Savings guides
Practical guides to spending less
12 plain-English guides in 4 topics. No invented deals: each one explains the method and links the official program or rule it mentions.
Everyday spending
Bills & subscriptions
Travel & memberships
Saving habits
Calculators
Free savings calculators
Use your own figures. Everything runs in your browser.
- Unit Price ComparisonFind which pack size or brand is really cheaper per unit.
- Discount CalculatorWork out the sale price and what you actually save.
- Discount StackingCombine sale, coupon, card offer and cashback in the right order.
- Cascading DiscountsSee the true total when discounts apply one after another.
- Final Price CalculatorStacked percentage and flat discounts with tax added.
- Subscription Cost TrackerMonthly and yearly totals for every subscription you pay.
- Subscription Spend AuditSee what cancelling unused subscriptions saves in a year.
- Budget PlannerA monthly budget with income, categories and limits.
- 50/30/20 BudgetSplit take-home pay into needs, wants and savings.
- Emergency Fund CalculatorSize your emergency fund and plan how to fill it.
- Savings Goal CalculatorHow much to save each month to reach a goal.
- Compound InterestSee how savings grow over time with compounding.
- Energy SavingsWhat LED bulbs, AC settings or curtains save on power.
- Electricity BillEstimate the bill from appliances, hours and tariff.
- Appliance Running CostFind which appliance drives your electricity bill.
- Cycle Commute SavingsFuel, parking and upkeep saved by cycling to work.
- Fuel Price ComparatorCompare fuel prices per litre or gallon in one unit.
- Grocery List BuilderPlan the shop and stick to the list.
- Bill SplitterSplit shared bills and trip costs fairly.
- Group Trip Tip SplitterSettle shared travel tips in the fewest transfers.
AltFTool is an independent website and is not affiliated with any program, brand or agency mentioned. Names are trademarks of their owners. This page is general consumer information, not financial, legal or benefits advice. Always confirm current terms on the official site. Content reviewed 2026-11-01. Affiliate disclosure