Why categories make or break a budget
A budget is only as useful as the questions it can answer. “Where did the money go this month?” needs categories that are broad enough to add up to something, and specific enough to act on. Too few and everything lands in “Misc”. Too many and you spend more time choosing a label than logging the expense — and you stop logging.
The sweet spot for most people is 12 to 20 active categories, grouped under a handful of lanes. Below is a list of 30 to pick from. Start with the ones you actually spend on, and add more only when a question needs them.
Home and housing
- --Rent or home loan EMI — your biggest fixed cost, on its own line.
- --Maintenance and society charges — kept separate from rent so increases are visible.
- --Electricity, water and gas — or one “Utilities” category if you don't need the detail.
- --Internet and mobile — the bills that quietly creep up.
- --Household help — cook, cleaner, driver.
- --Repairs and furnishing — the irregular costs that wreck a month when you forget them.
Food
- --Groceries — supermarket, kirana and quick-commerce orders.
- --Eating out — restaurants and cafés.
- --Food delivery — worth its own category: it is usually the fastest-growing line.
- --Snacks and coffee — small, frequent, and surprisingly large across a month.
Getting around
- --Fuel and vehicle upkeep (service, tyres, insurance) — see our guide to car running costs.
- --Cabs and autos.
- --Public transport — metro, bus, train passes.
- --Parking and tolls.
Health, family and personal
- --Medical — doctor, medicines, tests. Tracking these pays off at tax time and when you claim insurance (here's how).
- --Insurance premiums — health, life, vehicle.
- --Education — school fees, courses, books.
- --Kids — clothes, activities, everyday costs.
- --Personal care — salon, grooming, toiletries.
- --Clothing.
- --Pets — food, vet, grooming (what a pet really costs).
Lifestyle and the irregular stuff
- --Subscriptions — streaming, apps, cloud storage.
- --Entertainment — movies, events, hobbies.
- --Travel — trips are big enough to deserve their own budget.
- --Gifts and festivals — predictable every year, yet always a surprise.
- --Donations — keep receipts if you claim them.
- --Shopping — electronics, gadgets, things for the home.
- --Fees and charges — bank charges, late fees, fines.
- --Savings and investments — log what you move out, so “spent” and “saved” both show up.
- --Miscellaneous — keep it, but if it passes 5% of spending, split it up.
Five rules for categories that stay useful
- --Name the decision, not the shop. “Eating out” tells you something you can change; “Swiggy” doesn't.
- --Split only what you'd act on. If you'd never cut electricity separately from water, one “Utilities” line is enough.
- --Separate fixed from flexible. Rent and EMIs don't move; food and shopping do. Budgets live in the flexible lines.
- --Review after three months. Merge categories you never use, split the ones that swallow everything.
- --Shared ledgers need agreed names. If flatmates log “Groceries”, “Grocery” and “Food”, nobody can read the report. Agree the list once.
Once categories are set, give the flexible ones a monthly limit — the 50/30/20 rule is a good starting split — and the report starts telling you something every month.
Frequently asked questions
What are the main categories of expenses?
Most budgets use five broad groups: housing (rent, utilities, maintenance), food (groceries, eating out, delivery), transport (fuel, cabs, public transport), health and family (medical, insurance, education, kids) and lifestyle (subscriptions, entertainment, travel, gifts, shopping). Savings and investments are often tracked as their own line.
How many budget categories should I have?
Twelve to twenty active categories works for most people. Fewer and everything ends up in Miscellaneous; many more and logging becomes slow enough that you stop doing it.
Should savings be an expense category?
It helps to track money you move into savings or investments as its own category. Then your monthly report shows both what you spent and what you kept, and you can see whether you hit your savings target.
What expense categories should roommates or couples share?
Shared ledgers usually need only the shared costs: rent, utilities, internet, groceries, household supplies, help and repairs. Keep personal categories out of the shared ledger, or mark those entries as personal.
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