Why ProCulator?
ProCulator is designed for speed, clarity, and accuracy. Each tool focuses on a real-world task—like budgeting a home loan, computing body fat percentage, or finding the exact days between two dates—and removes friction so you get the number you need without the noise.
- Accuracy with transparency: Key formulas are explained inline so you always know what’s behind the result.
- Mobile-first UI: Every calculator is optimized for phones, tablets, and desktop screens.
- Privacy-respecting: No sign-up is required to use the tools.
- Zero cost: All calculators are free to use.
From students and teachers to professionals, parents, and creators, ProCulator streamlines everyday calculations with a clean interface and instant outputs.
How ProCulator Works
Pick a calculator, enter the minimum required inputs, and get instant results. Many tools support advanced options (such as compounding frequency or tax brackets) while keeping the default path simple. You can share links, revisit results, and use interlinked tools for deeper analysis.
- Open a tool from the menu or the list below.
- Provide inputs—most fields include helpful placeholders and validation.
- Get results immediately, with definitions, formula notes, and tips.
All Calculators
Math & Statistics
- Algebra Calculator – Solve equations, simplify expressions, and verify steps.
- Basic Calculator – Clean, responsive calculator for everyday arithmetic.
- Fraction Calculator – Add, subtract, multiply, and divide fractions with simplification.
- LCM & HCF Calculator – Find least common multiple and highest common factor quickly.
- Percentage Calculator – Compute percentage increase/decrease, parts, and totals.
- Scientific Calculator – Trig, logs, exponents, and more in a keystroke-friendly layout.
- Standard Deviation – Population and sample SD with step-by-step breakdowns.
- Statistics Calculator – Summary stats, quartiles, variance, and charts.
- Unit Converter – Length, mass, temperature, speed, and more across systems.
- GPA Calculator – Weighted/unweighted GPA with term-by-term breakdown.
Finance & Money
- Loan Calculator – Monthly payment, amortization, and total interest.
- Mortgage Calculator – Down payment, PMI, taxes, and payoff scenarios.
- Home Loan Prepayment – Prepay impact on interest and tenure.
- Compound Interest – Growth with yearly, monthly, or custom compounding.
- Saving Goal – Target amount planner with contribution frequency.
- Retirement Calculator – Nest egg projection with inflation and returns.
- SIP Calculator – Systematic investment returns over time.
- Crypto Profit – Entry/exit P&L with fees and percentage returns.
- Trip Cost – Fuel, tolls, lodging, and split options for group travel.
- Salary After Tax – Net pay estimate after taxes and deductions.
Health, Fitness & Lifestyle
- BMI Calculator – Body mass index from height and weight.
- BMR Calculator – Basal metabolic rate with Mifflin-St Jeor.
- Pace Calculator – Basal metabolic rate with Mifflin-St Jeor.
- Calorie Calculator – Daily calories with activity multipliers.
- Body Fat Calculator – Estimate body fat via metrics and measurements.
- Macro Calculator – Protein, carbs, fats by goal and body data.
- Ovulation Calculator – Predicted fertile window based on cycle length.
- Pregnancy Calculator – Due date estimation with milestones.
Date, Time & Utilities
- Age Calculator – Age in years, months, days—precisely.
- Date Difference – Days between dates, weekdays/weekends options.
- Time Calculator – Add/subtract durations and timestamps.
- Password Generator – Strong, random passwords with presets.
- Subnet Calculator – IPv4/IPv6 subnetting with CIDR.
- GPA Calculator – Grade point average, weighted and unweighted.
- Unit Converter – Quick conversions across categories.
SEO Highlights
This guide interlinks major tools so users and search engines can easily discover related calculators. For example, if you’re exploring compound interest, you might also compare outcomes using the saving goal calculator or check long-term retirement projections. Likewise, after computing your BMR, dial in your nutrition with our macro and calorie calculators.
Key on-page elements include descriptive headings (H1–H3), semantic lists, and descriptive link text. Alt text on images (like the ProCulator logo) improves accessibility and relevance. This page uses clean URLs (e.g., /calculators/loan-calculator.html) and a readable internal structure.
We also employ structured data (Organization, WebSite, Breadcrumb, ItemList, FAQPage) to enhance eligibility for rich results. Fast loading, mobile-first design, and intuitive navigation further boost usability and search performance.
Frequently Asked Questions
What is ProCulator?
ProCulator is a collection of free online calculators covering math, finance, health, date/time, and utilities. Each tool is optimized for speed, accuracy, and ease of use.
Are the calculators free?
Yes. All tools are free to use with no account required.
Can I use ProCulator on my phone?
Absolutely. The interface is responsive and works great on mobile and desktop browsers.
Do you show formulas?
Yes. Where relevant, key formulas and assumptions are explained so you can trust and understand the results.