Free, independent calculators and sourced statistics — so you can make better decisions about money, health, family, and more.
Every tool runs entirely in your browser. Nothing is sent to a server. No accounts, no tracking, no hidden costs — just clear answers from real data.
StatsMatters is a collection of free, open calculators and data-backed statistics designed for everyday decisions. Whether you're weighing a mortgage, planning a wedding, estimating child support, or just curious about your body composition — there's a tool here to help you run the numbers.
All 27 calculators are self-contained HTML files. Open one in any browser, enter your figures, and get results instantly — with full transparency on how each number was derived. Every calculator cites its data sources and methodology so you can verify the math yourself.
The companion Statistics section pulls together current, sourced figures on topics like mortgage rates, divorce trends, and marketing data — all with citations to government reports, industry studies, and official databases.
Browse calculators by topic or explore the latest statistics on a subject you care about.
Fill in the fields — income, costs, measurements, or any figures relevant to your question.
See the output instantly, with breakdowns, ranges, and plain-English guidance to understand what it means.
All tools are free, run locally in your browser, and cite their sources.
Compare the true cost of renting versus buying a home over time, including equity, tax benefits, and maintenance.
Open → Personal FinanceEstimate annual homeowners insurance with state-level multipliers and coverage scenarios.
Open → Personal FinanceFull PITI + PMI + HOA estimate with amortization schedule and PMI cancellation timing.
Open → Family & LifeEstimate monthly child support using your state's guideline model — Income Shares, Percentage-of-Income, or Melson.
Open → Family & LifeEstimate annual cost of attendance, multi-year total with inflation, and net price after grants.
Open → Family & LifeProject legal fees, median state costs, and settlement ranges for your situation.
Open → Family & LifeSet a sensible ring budget from your income, or estimate a diamond's price by the 4 C's.
Open → Family & LifeSeparate the funeral-home bill from cemetery costs, with regional adjustments and a preplanning savings plan.
Open → Health & FitnessEstimate body-fat percentage using the U.S. Navy circumference method, with a BMI cross-check.
Open → Health & FitnessCalculate your daily protein target based on weight, activity level, and goals.
Open → Health & FitnessEstimate therapy costs by state, session type, and insurance coverage.
Open → Health & FitnessEstimate BMR, TDEE, calorie targets, and project your weekly loss rate and time to goal.
Open → Personal FinanceDetermine whether you likely qualify for Chapter 7 or Chapter 13 based on your state's median income.
Open → Personal FinanceEstimate your monthly auto-loan payment with an amortization schedule.
Open → Personal FinanceModel payoff scenarios, interest savings, and timeline for your student loans.
Open → Personal FinanceCalculate the tip, total, and per-person split — with preset percentages and rounding.
Open → Personal FinanceCheck your credit utilization ratio and see how it affects your credit score.
Open → OtherPlan a trip: total cost, per-person and per-day breakdown, and a monthly savings target.
Open → Family & LifeEstimate total wedding costs with category-level budgeting and affordability signals.
Open → OtherCompare pet insurance costs and coverage tiers for your pet's age and breed.
Open → OtherMeasure download, upload, latency, jitter, and packet loss — then get a plain-English verdict.
Open →Plus: Bankruptcy Eligibility · Vehicle Trade-In Estimate · Lease Buyout Checker · Engagement Ring Budget · HVAC Replacement · Foundation Repair · Dental Implant · Travel Insurance
Current, sourced data — with every figure traced back to its original source.
Current, sourced statistics across six key topics: marketing, credit card debt, divorce rates, auto loan debt, fitness, and mortgage rates.
Open → MarketingAd spend, social media, email, and content marketing data from Statista and HubSpot.
Open → MortgageAverage mortgage rates and the mortgage debt Americans carry, sourced from the NY Fed and Freddie Mac.
Open → DivorceMarriage and divorce rate trends across the United States, sourced from the CDC/NCHS.
Open →No ads. No tracking. No accounts. Every calculator and statistic page is a single HTML file that runs entirely in your browser. Your inputs never leave your device. There's no backend to breach, no database to mine, and no business model that profits from your data.
Transparent methodology. Every calculator shows its formula, cites its sources, and explains what the numbers mean in plain language. If there's uncertainty or a contested figure, it's flagged — not hidden.
Built for real life. These tools cover the expenses and decisions that matter most: housing, family, health, debt, and major life milestones. The goal is to help you make informed choices — not to sell you something.