---
title: Weekly Calorie Budget: How It Works · Weekfuel
url: https://weekfuel.app/en/weekly-budget/
lang: en
updated: 2026-11-02
---

# A calorie budget for the whole week

A weekly budget takes the pressure off any single day. You see what you've eaten and how much is left for the days ahead.

**In short:** A **weekly calorie budget** is the sum of your daily targets over seven days. With a target of 2,000 calories a day, that's 14,000 per week. Eat 2,600 on Saturday and you have 600 fewer for the remaining days combined – and the week still stays on plan.

**Weekly calorie budget:** The number of calories you can eat in a week to reach your goal – for example with a 3,500-calorie weekly deficit for fat loss. It equals your daily energy expenditure times seven, minus your chosen weekly deficit.

## Your week in Weekfuel

Monday to Sunday are stacked on one screen. Each day shows your meals, your target and a status:

- **Green:** on target.
- **Orange:** slightly over.
- **Red:** clearly over.

At the top you see how much of your weekly budget is left. A red Friday isn't the end of the world – it's just a bigger day that the others can absorb.

## The math behind it

1. **Find your TDEE:** BMR (Mifflin-St Jeor) times an activity factor, e.g. 2,500 calories a day.
2. **Weekly expenditure:** 2,500 × 7 = 17,500 calories.
3. **Pick a weekly deficit:** for about 0.5 kg (1 lb) a week, roughly 3,500 calories.
4. **Weekly budget:** 17,500 − 3,500 = 14,000 calories, about 2,000 a day on average.

Work out your BMR with the [BMR & TDEE calculator](https://weekfuel.app/en/bmr-calculator/) and your weekly budget with the [calorie deficit calculator](https://weekfuel.app/en/calorie-deficit-calculator/). The [weekly calorie calculator](https://weekfuel.app/en/weekly-calorie-calculator/) shows what's left mid-week.

## Who it's for

### People with weekends

Friday takeout, Saturday brunch, Sunday dinner with family. A weekly budget plans for it instead of punishing it.

### Irregular schedules

Shift work, travel days, training days: when no two days look alike, a weekly target fits better than a fixed daily cap.

### Anyone who's quit before

Lots of people stop tracking after one “bad” day. With a weekly budget there's no reason to.

### Planners

Wedding on Saturday? Eat a little less in the days before and enjoy it without regret. The [weekend calculator](https://weekfuel.app/en/weekend-calorie-calculator/) helps.

## Limits worth knowing

A weekly budget isn't a license for extreme swings. Huge surpluses one day and starving yourself the next are neither pleasant nor smart. Spread bigger extras over several days and don't stay very low on any day. The 3,500-calories-per-pound rule is only a rough estimate – your real progress shows up in your [weight trend](https://weekfuel.app/en/weight-trend/).

## Frequently asked questions

### How big should my weekly calorie budget be?

It depends on height, weight, age, activity and goal. Calculate your TDEE, multiply by seven and subtract a moderate deficit, around 2,000 to 3,500 calories a week.

### What happens if I go over my weekly budget?

Nothing dramatic. That week is maintenance instead of a deficit. Start the next week normally rather than punishing yourself with very little food.

### When does the week start?

The week view lists the days from Monday to Sunday.

### Is calorie banking the same as a weekly budget?

Almost. Calorie banking means deliberately “saving” calories on some days to spend them later. The weekly budget is the frame that makes it work. Read more in [calorie banking explained](https://weekfuel.app/en/guide/calorie-banking/).

## Sources

- Hall KD et al.: Quantification of the effect of energy imbalance on bodyweight. *Lancet* 2011;378:826–837. [PMC3880593](https://pmc.ncbi.nlm.nih.gov/articles/PMC3880593/)
- Mifflin MD, St Jeor ST et al.: A new predictive equation for resting energy expenditure in healthy individuals. *Am J Clin Nutr* 1990;51(2):241–247. [PubMed 2305711](https://pubmed.ncbi.nlm.nih.gov/2305711/)

## Your week at a glance – automatically.

Weekfuel recalculates your weekly budget every day: meals by photo, steps from Apple Health, a trend instead of daily scale drama.

[Download on the App Store]({{APP_STORE_URL}})
