Weight Prediction Calculator
Predict your weight trajectory over time based on calorie intake.
Personal Information
Weight Prediction Results
Predicted Weight
78.9kg
Weight Change
-2.7kg
Weekly Rate
-0.2kg/week
Weight Projection
| Week | Weight (kg) | Change |
|---|---|---|
| Week 0 | 81.7 | - |
| Week 1 | 81.4 | -0.2 kg |
| Week 2 | 81.2 | -0.5 kg |
| Week 3 | 81.0 | -0.7 kg |
| Week 4 | 80.7 | -0.9 kg |
| Week 5 | 80.5 | -1.2 kg |
| Week 6 | 80.3 | -1.4 kg |
| Week 7 | 80.0 | -1.6 kg |
| Week 8 | 79.8 | -1.8 kg |
| Week 9 | 79.6 | -2.1 kg |
| Week 10 | 79.4 | -2.3 kg |
| Week 11 | 79.1 | -2.5 kg |
| Week 12 | 78.9 | -2.7 kg |
Weekly rate: -0.228 kg/week
Real-World Examples
See how calculations work across different profiles.
Steady Loss
180 lb, 2,000 kcal/day, 12 weeks
~168
lbs projected
Maintenance
165 lb, 2,300 kcal/day, 8 weeks
~165
lbs stable
Muscle Gain
155 lb, 2,700 kcal/day, 10 weeks
~162
lbs projected
Frequently Asked Questions
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Educational use only. This calculator provides estimates for educational and informational purposes. It is not medical, nutritional, or dietary advice. Consult a registered dietitian or healthcare provider for personalized guidance.
Last updated: 2026 · CalorieFig Editorial Team