Credit Score Improvement Planner
Enter your credit profile to see which factors are holding you back — and get a ranked list of the highest-ROI actions to take. Based on standard FICO factor weights. This tool does not predict your FICO® score. It helps identify which credit-profile factors deserve attention and in what order.
How FICO Credit Scores Actually Work
Your credit score is a numerical summary of your credit report, designed to help lenders assess the risk of lending to you. FICO, the most widely used model, generates scores between 300 and 850 — and approximately 90% of top U.S. lenders use a FICO score when making lending decisions.
FICO scores are calculated from five categories of data in your credit report. The weightings are public knowledge, but the exact formula is proprietary. Payment history (35%) and credit utilization (30%) together account for 65% of your score, which is why focused attention on just those two factors produces the most dramatic improvements.
A few things that surprise people: closing an old credit card can hurt your score by increasing utilization and reducing average account age. Checking your own credit is a "soft inquiry" and has no impact. Hard inquiries from lender checks typically reduce scores by 5–10 points and fade within 12 months. Missing a single payment can drop a score 60–110 points — and it stays on your report for 7 years.
Scores from different bureaus (Equifax, Experian, TransUnion) and different models (FICO 8, FICO 9, VantageScore) can vary by 20–50 points on the same profile because creditors don't all report to all bureaus, and the models weigh factors slightly differently. Focus on trends and the underlying factors — not the exact number from any one source.
📋 Worked Example: David Improves From Fair to Good Credit Health
David's credit score sits at 641 — good enough to get approved, but costing him thousands in higher interest rates. Here's what the planner reveals about his credit profile:
| FICO Factor | Weight | David's Situation | Grade |
|---|---|---|---|
| Payment History | 35% | 94% on-time (2 missed payments, 3 yrs ago) | Fair |
| Credit Utilization | 30% | 71% used ($7,100 of $10,000 limit) | Poor ← Biggest lever |
| Account Age | 15% | 4.2 yr average age | Good |
| Credit Mix | 10% | Credit card + auto loan | Fair |
| New Credit | 10% | 1 inquiry (6 months ago) | Good |
| Recommended action: Pay down card to $2,800 (28% utilization) | Fair → Good Credit Health ↑ | ||
Phase 2: Four more months of on-time payments improves David's Payment History score — the planner's action plan shows this moves his overall health score up further, potentially reaching Very Good Credit Health. Total time: about 8 months. Total cost: paying down $4,300 in card balance.
💡 Real-world dollar impact: At 641, David's mortgage rate might be 7.4%. At 720, it drops to ~6.8%. On a $350,000 30-year mortgage, that 0.6% difference saves $51,000 in total interest — worth far more than the effort to improve the score.
Frequently Asked Questions
LedgerlyTools calculators use standard financial formulas — the same math financial professionals use. We're developers, not financial advisors. Results are estimates. See our methodology →