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For most women, losing 10 pounds takes 7-11 weeks using a moderate calorie deficit. The exact timeline depends on your starting body fat percentage, current weight, and how aggressive your deficit is. Expect faster loss in the first 1-2 weeks (water weight) followed by a steadier rate of fat loss.
Last updated: February 8, 2026
Your timeline depends on how aggressive your calorie deficit is. Here are all 6 deficit levels with their timelines:
| Deficit Level | Difficulty | Weeks | Daily Calories | Weekly Loss |
|---|---|---|---|---|
| 40% Extreme | Extreme | 6 weeks | 1,273 cal | 1.7 lbs/week |
| 35% Intense | Very Hard | 7 weeks | 1,379 cal | 1.49 lbs/week |
| 30% Fast | Hard | 8 weeks | 1,485 cal | 1.27 lbs/week |
| 25% Effective | Moderate | 9 weeks | 1,591 cal | 1.06 lbs/week |
| 20% Moderate | Easy | 12 weeks | 1,698 cal | 0.85 lbs/week |
| 15% Gentle | Easy | 16 weeks | 1,804 cal | 0.64 lbs/week |
Your starting body fat percentage affects your metabolic rate and how fast you lose weight. Here are timelines for different starting points using the recommended deficit:
| Starting Body Fat | Recommended Deficit | Weeks | Daily Calories |
|---|---|---|---|
| 22% | 25% Effective | 8 weeks | 1,762 cal |
| 27% | 25% Effective | 9 weeks | 1,678 cal |
| 32% | 25% Effective | 9 weeks | 1,591 cal |
| 37% | 25% Effective | 10 weeks | 1,507 cal |
Based on a 5'5", 150 lb woman at moderate activity. Your exact timeline depends on your weight, height, and activity level.
Your timeline to lose 10 pounds depends on three factors: (1) Starting body fat percentage. Higher body fat allows for more aggressive deficits without muscle loss. (2) Deficit size. A 30% deficit is twice as fast as a 15% deficit, but harder to sustain and riskier for muscle preservation. (3) Lean mass. More lean mass means a higher metabolic rate and faster fat loss at the same calorie intake.
Deficit Level
25% Effective
Timeline
9 weeks
Daily Calories
1,591 cal
This is the best balance of speed and sustainability for losing 10 pounds. It preserves muscle well while keeping the deficit manageable.
| Week | Weight | Body Fat % | Fat Mass | Lean Mass |
|---|---|---|---|---|
| Start | 150 lbs | 32% | 48 lbs | 102 lbs |
| Week 2 | 147.9 lbs | 31.2% | 46.2 lbs | 101.7 lbs |
| Week 4 | 145.8 lbs | 30.5% | 44.4 lbs | 101.4 lbs |
| Week 6 | 143.7 lbs | 29.7% | 42.6 lbs | 101 lbs |
| Week 8 | 141.5 lbs | 28.8% | 40.8 lbs | 100.7 lbs |
| Week 9 | 140.5 lbs | 28.4% | 39.9 lbs | 100.6 lbs |
Based on a 5'5", 150 lb woman at moderate activity (2,122 cal TDEE) using a 25% deficit:
1,591
Daily Calories
102g
Protein
197g
Carbs
44g
Fat
Men typically lose 10 pounds 15-20% faster than women due to higher lean mass and metabolic rate. A 180 lb man at 25% body fat has a TDEE around 2,700 calories. A 150 lb woman at 32% body fat has a TDEE around 2,050 calories. The same deficit percentage results in different absolute calorie targets and weekly loss rates. Men also retain muscle better during a deficit due to higher testosterone levels.
After losing the weight, reverse diet by adding 100-150 calories per week until you reach maintenance. This gradual approach prevents rapid fat regain and lets your metabolism stabilize. Expect 2-3 lbs of water weight in the first week (glycogen and water, not fat). Give your body 4-6 weeks at maintenance before starting another phase.
At a 25% deficit, expect to lose approximately 1.06 lbs per week. Actual results vary based on starting weight, activity level, and adherence. Expect faster loss in the first 1-2 weeks (water weight) followed by a steadier rate.
Optional. Cardio is helpful for health but not required for fat loss. If you enjoy it, 2-3 sessions of 20-30 minutes per week is plenty. Do not use cardio to create a larger deficit on top of your nutrition plan.
After losing the weight, reverse diet by adding 100-150 calories per week until you reach maintenance. This gradual approach prevents rapid fat regain and lets your metabolism stabilize. Expect 2-3 lbs of water weight in the first week (glycogen and water, not fat). Give your body 4-6 weeks at maintenance before starting another phase.
Using a 25% Effective deficit, it takes approximately 9 weeks for a 5'5", 150 lb woman. Your actual timeline depends on starting body fat percentage, current weight, and adherence to your calorie target. See the timeline comparison table above for all deficit levels.
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