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Most calculator sites give you a number and move on. Utilix goes further.
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Every result shows the formula, step-by-step working, and a concrete example — you understand why, not just what.
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120+ tools across 13 categories — finance, health, dev, design, AI, crypto, and more. One bookmark for every calculation need.
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Snow Day Calculator
Predict school snow day probability from region, snowfall, temperature, and road conditions. Fun estimate — always check your district for official closures.
Rideshare Fare Estimator
Estimate your Uber or Lyft fare before you book. Enter city, distance, ride type, and surge level for a fare range. Not affiliated with any rideshare platform.
Board Foot Calculator
Calculate board feet from thickness, width, length, and board count. Includes waste allowance and cost estimate at your price per board foot.
Coast FIRE Calculator
Calculate your Coast FIRE number — how much to invest today so compound growth reaches your retirement target without further contributions.
Safe Withdrawal Rate Calculator
Calculate annual and monthly retirement income at any withdrawal rate. Enter portfolio, return, inflation, and years to project whether your nest egg will last.
CD Ladder Calculator
Calculate total interest earned from a CD ladder with 3–5 rungs. Enter your investment, term APYs, and see blended rate, per-CD amounts, and maturity schedule.
Stock Split Calculator
Stock split basics: share count and price adjust proportionally — total value unchanged. Covers forward vs reverse splits, cost basis, and why companies split.
World Cup 2026 Group Standings Calculator
Free World Cup 2026 group standings calculator. Enter wins, draws, losses, and goals to see points, goal difference, and who advances from the group.
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World Cup 2026 Group Standings Calculator
Free World Cup 2026 group standings calculator. Enter wins, draws, losses, and goals to see points, goal difference, and who advances from the group.
Everyday & lifestyleWorld Cup Advancement Scenario Calculator
Model World Cup 2026 matchday 3: your final score, the other group game, and see if you finish top two — with full standings and tiebreaker breakdown.
Everyday & lifestyleWorld Cup 2026 Third-Place Table Ranker
Rank all 12 World Cup 2026 third-place teams. See which eight qualify for the Round of 32 by points, goal difference, goals scored, and fair play.
AI & LLM toolsLLM Cost Comparator
Compare AI model API costs side by side. Enter your token usage and see GPT-5, Claude 4, and Gemini 3 prices ranked cheapest to most expensive for your.
Finance & moneyMortgage Calculator
Estimate principal-and-interest from home price, down payment, rate, and term. Fully client-side — no account, uploads, or remote storage.
Finance & moneyLoan / EMI Calculator
Compute monthly EMI, total interest, and repayment from principal, rate, and term. Fully client-side — no account, uploads, or remote storage.
AI & LLM toolsAI API Cost Calculator
Calculate AI API usage cost for GPT-5, Claude 4, Gemini 3, and Llama 4 by tokens per request, daily volume, and yearly budget.
AI & LLM toolsLLM Token Counter
Count tokens and see context window usage for GPT-5, Claude 4, and Gemini 3. Paste text for token count, cost per request, and cost per 1,000 requests across.
Finance & moneyCredit Card Payoff Calculator
See exactly how long it takes to pay off your credit card and how much interest you'll pay. Enter your balance, APR, and monthly payment — no sign-up needed.
Finance & moneyDebt Payoff Planner
Compare the debt snowball and debt avalanche methods side by side. Enter up to 4 debts and see which strategy pays off your debt faster and saves the most.