# 1,800 Calorie Meal Plan

Last reviewed: 2026-11-07

A 1,800 calorie meal plan splits the day into breakfast (450 kcal), lunch (540 kcal), a snack (450 kcal) and dinner (360 kcal). At a balanced 30 / 45 / 25 split that is about 135 g protein, 203 g carbs and 50 g fat. Below is a full sample day with three dish options per meal.

## Macros

- Protein: 135 g (30%)
- Carbs: 203 g (45%)
- Fat: 50 g (25%)

## Meal budgets

| Meal | Budget |
|---|---|
| Breakfast | 450 kcal |
| Lunch | 540 kcal |
| Snack | 450 kcal |
| Dinner | 360 kcal |

## Who eats 1800 calories a day

- A 25-year-old woman, 5′2″ and 170 lb (157 cm, 77 kg), very active. Goal: lose weight at a Steady pace. Maintenance ≈ 2,529 kcal.
- A 35-year-old woman, 5′6″ and 130 lb (168 cm, 59 kg), lightly active. Goal: stay at the same weight. Maintenance ≈ 1,793 kcal.
- A 35-year-old woman, 5′4″ and 130 lb (163 cm, 59 kg), mostly sitting. Goal: gain weight at a Relaxed pace. Maintenance ≈ 1,527 kcal.

The sample dishes for each meal are on the page: https://www.slimai.ai/meal-plan-generator/1800-calorie-meal-plan. Build a plan for your own body at https://www.slimai.ai/meal-plan-generator.

## Frequently Asked Questions

### Is 1,800 calories a day enough?

It depends on your maintenance calories. 1,800 kcal is a deficit for some people, maintenance for others and a surplus for smaller adults. The examples on this page show who the rules give 1,800 kcal to; the generator above works out your own number.

### How much protein should I eat on a 1,800 calorie diet?

At 30% of calories, 1,800 kcal gives about 135 g of protein a day. Splits used for different body types and health conditions range from 25% to 40%, so roughly 113–180 g. Protein has 4 kcal per gram.

### How do I split 1,800 calories across meals?

A simple split is 25% breakfast, 30% lunch, 25% snack and 20% dinner: 450, 540, 450 and 360 kcal. Each meal above has dishes that fit inside its budget (up to 5% over).

### Can I follow a vegetarian or keto 1,800 calorie meal plan?

Yes. In the meal plan generator choose Vegetarian, Vegan, Keto, Mediterranean or Paleo and the dishes are picked from that diet. If a meal has no dish of that type, it falls back to the best fit and says so.

### How much weight will I lose eating 1,800 calories?

It depends on the gap between 1,800 kcal and your maintenance calories, which depend on your size, age and activity. Enter your details in the generator to see your maintenance number and the daily deficit your pace uses.

Source: https://www.slimai.ai/meal-plan-generator/1800-calorie-meal-plan

## Try SlimAI

To try SlimAI, download SlimAI Calorie Tracker from the Apple App Store or Google Play and start the 3-day free trial; SlimAI Pro is then $7.99/month or $29.99/year (under $3/month), and can be cancelled anytime from the Apple or Google account that manages the subscription.

- Apple App Store: https://apps.apple.com/us/app/slimai-calorie-tracker/id6749062571
- Google Play: https://play.google.com/store/apps/details?id=com.slimai.app
- Desktop (QR code): https://www.slimai.ai/download