Car Payment Calculator
Free car payment calculator. See your monthly auto-loan payment from price, down payment, trade-in, APR, and term — plus the total interest you'll pay. No login.
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All tools and calculators
Browse 37 interactive calculators and guided tools. Calculator values are processed in your browser and are not intentionally stored by this site.
11 tools
Money
Rent Affordability Calculator
Free rent affordability calculator using the 30% rule and the 3× income test landlords use. Enter your income to see a realistic monthly rent range. No login.
Open resourceDebt Payoff Calculator
Free debt payoff calculator. See how many months to clear a balance, total interest, and how avalanche vs. snowball compare. Add extra payments to see the impact. No login.
Open resourceEmergency Fund Calculator
Free emergency fund calculator. Find your 3-month and 6-month target from essential monthly expenses, and a monthly plan to get there. No login, runs in your browser.
Open resourceSavings Goal Calculator
Free savings goal calculator. Find the monthly amount needed to reach a target by a date, with or without interest. Test timelines instantly. No login.
Open resourceCredit Utilization Calculator
Free credit utilization calculator. See your overall and per-card utilization, why under 30% (ideally under 10%) matters, and how to lower it fast. No login.
Open resourcePaycheck Estimate Calculator
Estimate net take-home pay from gross salary, pay frequency, taxes, and deductions, and see what changes it most. Educational estimate, not tax advice. No login.
Open resourceGrocery Budget Calculator
A free grocery budget calculator that runs in your browser — see the formula, a worked example, and what changes the result most.
Open resourceSimple Interest Calculator
A free simple interest calculator that runs in your browser — see the formula, a worked example, and what changes the result most.
Open resourceCompound Interest Calculator
A free compound interest calculator that runs in your browser — see the formula, a worked example, and what changes the result most.
Open resourceMortgage Extra Payment Calculator
A free mortgage extra payment calculator that runs in your browser — see the formula, a worked example, and what changes the result most.
Open resource2 tools
Career
Hourly to Salary Calculator
A free hourly to salary calculator that runs in your browser — see the formula, a worked example, and what changes the result most.
Open resourceSalary to Hourly Calculator
A free salary to hourly calculator that runs in your browser — see the formula, a worked example, and what changes the result most.
Open resource3 tools
Home & Life
Fuel Cost Calculator
A free fuel cost calculator that runs in your browser — see the formula, a worked example, and what changes the result most.
Open resourceCommute Cost Calculator
A free commute cost calculator that runs in your browser — see the formula, a worked example, and what changes the result most.
Open resourceMoving Cost Estimator
A free moving cost estimator that runs in your browser — see the formula, a worked example, and what changes the result most.
Open resource2 tools
School
GPA Calculator
Free GPA calculator on the 4.0 scale, weighted by credit hours. See the formula, the grade-to-points table, and a worked example. Runs in your browser, no login.
Open resourceEssay Outline Generator
Use a guided essay outline generator worksheet with the required inputs, a completed example, and a human-review checklist.
Open resource1 tools
AI Tools
AI Prompt Generator
Build effective AI prompts with a simple formula: role + task + context + format + constraints. Includes a worked example and what to verify before trusting output.
Open resource7 tools
Small Business
Business Name Generator
Generate business name ideas, then check what matters: domain, state registration, trademark, and social handles. Naming criteria, example, and pitfalls. No login.
Open resourceSlogan Generator
Create a memorable business slogan with a simple formula: clear benefit, brand fit, and brevity. Includes examples, what to check, and mistakes to avoid. No login.
Open resourceInvoice Generator
Create clear, get-paid-faster invoices. The fields every invoice needs, payment terms that work, a worked example, and mistakes to avoid. No login, private in your browser.
Open resourceQuote Generator
Create clear client quotes: scope, line-item pricing, terms, and an expiry date that protects you. What every quote needs, an example, and mistakes to avoid. No login.
Open resourceSocial Media Bio Generator
Use a guided social media bio generator worksheet with the required inputs, a completed example, and a human-review checklist.
Open resourceFreelance Rate Calculator
A free freelance rate calculator that runs in your browser — see the formula, a worked example, and what changes the result most.
Open resourceBusiness Startup Cost Estimator
A free business startup cost estimator that runs in your browser — see the formula, a worked example, and what changes the result most.
Open resource11 tools
Calculators
Tip Calculator
A free tip calculator that runs in your browser — see the formula, a worked example, and what changes the result most.
Open resourcePercentage Calculator
Free percentage calculator with the three core formulas: X% of Y, what percent X is of Y, and percent change. Worked examples and instant results. No login.
Open resourceAge Calculator
A free age calculator that runs in your browser — see the formula, a worked example, and what changes the result most.
Open resourceDate Difference Calculator
A free date difference calculator that runs in your browser — see the formula, a worked example, and what changes the result most.
Open resourceTime Duration Calculator
A free time duration calculator that runs in your browser — see the formula, a worked example, and what changes the result most.
Open resourceUnit Converter
A free unit converter that runs in your browser — see the formula, a worked example, and what changes the result most.
Open resourceBudget Split Calculator
A free budget split calculator that runs in your browser — see the formula, a worked example, and what changes the result most.
Open resourceSubscription Audit Calculator
A free subscription audit calculator that runs in your browser — see the formula, a worked example, and what changes the result most.
Open resourceSimple Tax Estimate Calculator
A free simple tax estimate calculator that runs in your browser — see the formula, a worked example, and what changes the result most.
Open resourceBill Split Calculator
A free bill split calculator that runs in your browser — see the formula, a worked example, and what changes the result most.
Open resourceLoan Payment Calculator
A free loan payment calculator that runs in your browser — see the formula, a worked example, and what changes the result most.
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