Online Calculators & Tools

Professional-grade calculators for finance, health, home improvement, and everyday utilities. Make informed decisions with precision and confidence.

Calculate mortgage payments, track your BMI and daily calories, estimate home renovation costs, convert currencies and units — all with transparent formulas and no hidden fees. Over 27 tools across four categories, available on any device.

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Four Categories of Independence

Master every aspect of your life with our comprehensive suite of tools and calculators

Financial Tools

Master your money with mortgage, loan, investment, and retirement calculators. Plan amortization schedules, compare savings rates, estimate tax liability, and project compound interest growth over time.

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Health & Wellness

Optimize your health with BMI, calorie, fitness, and wellness calculators. Track daily caloric needs, calculate macronutrient ratios, estimate body fat percentage, and plan sleep schedules for peak performance.

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Home & Living

Plan your space with flooring, paint, garden, and home improvement tools. Estimate square footage for tile and carpet, calculate paint coverage for any room, and budget renovation projects before you start.

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Utility Tools

Essential converters for currency, units, time zones, and percentages. Convert between currencies with live exchange rates, translate measurement units instantly, and calculate percentage changes for everyday tasks.

Explore Utility Tools

Popular Tools

Our most-used calculators — each built with industry-standard formulas, tested for accuracy, and designed for clarity.

Tip Calculator

Financial Tools

Calculate tips and split bills for restaurants and services

BMI Calculator

Health & Wellness

Calculate and understand your Body Mass Index

Square Footage Calculator

Home & Living

Measure and estimate space requirements

Unit Converter

Utility Tools

Convert between different measurement systems

Loan Calculator

Financial Tools

Calculate loan payments for personal and business loans

Calorie Calculator

Health & Wellness

Determine daily caloric needs for your goals
Browse All 27+ Tools

Simple, Transparent Pricing

Everything you need to become truly unreliant. No hidden fees, no surprises.

Monthly Annual (Save 16%)

Free

$0.00

Perfect for getting started

  • 4 basic calculators
  • 20 calculations per day
Get Started Free
MOST POPULAR

Pro

$9.99 /month
$99.99 /year
Save $19.89

Everything you need for independence

  • 4 basic calculators
  • 20+ calculators
  • Ad-free experience
  • Unlimited calculations
  • Email support
Get Started

Business

$19.99 /month
$199.99 /year
Save $39.89

For teams and organizations

  • 4 basic calculators
  • Access to all calculators
  • Ad-free experience
  • Unlimited calculations
  • Email support
  • Priority support
Get Started

Cancel anytime • Flexible monthly or annual billing • Instant access

Why Choose Unreliant?

Essential financial and lifestyle calculators to help you make informed decisions

27 Calculators Available

From basic financial calculations to home and lifestyle tools. Access what you need with transparent pricing.

No Data Storage

Your calculations stay on your device. We don't store or track your personal information.

Mobile Responsive

Use all calculators on any device. Simple, clean interface works on phones, tablets, and desktops.

Growing Library

We're actively building new calculators. More features coming as we develop them.

27
Calculators
3
Plan Options
$0
Free Tier
$9.99
Pro Plan
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Start with free tools, upgrade when you're ready

Frequently Asked Questions

Common questions about our calculators and tools

We offer 27+ calculators across four categories: Financial (mortgage, loan, investment, retirement, tax, savings, debt payoff, net worth), Health & Wellness (BMI, calories, macros, body fat, sleep, water intake), Home & Living (flooring, paint, square footage, energy cost, garden, materials), and Utilities (currency converter, unit converter, percentage, time zone, tip, date calculator).
Yes. Every calculator uses industry-standard formulas. Our financial tools follow standard amortization and compound interest models. Health tools use peer-reviewed formulas such as the Mifflin-St Jeor equation for calorie needs and the U.S. Navy method for body fat estimation. All calculators are tested against known results and cross-validated with authoritative sources.
Many of our calculators are available without an account. Creating a free account lets you save calculation history and access additional features. Premium plans unlock all tools, unlimited history, PDF exports, and an ad-free experience.
Absolutely. Calculations run in your browser — we don't store your inputs or results unless you explicitly save them to your account. Saved calculations are encrypted and only accessible to you. We never sell your personal data or share calculation inputs with third parties.
Enter your home price, down payment, interest rate, and loan term. The calculator uses standard amortization formulas to show your monthly payment, total interest paid, and a full amortization schedule. You can also factor in property tax, insurance, and PMI for a complete picture of your monthly housing costs.
The free tier gives you access to core calculators with limited history storage. The Pro plan ($9.99/month or $99.99/year) unlocks all 27+ calculators, unlimited calculation history, PDF report exports, and an ad-free experience. The Business plan adds team features and priority support for organizations.
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