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The Calculators
You Actually Need

Seven precision tools for the numbers in your daily life — mortgage payments, body metrics, currencies, tips, age, percentages, and countdowns. No clutter. No paywalls.

Explore All Tools Try Mortgage Calculator →
7+
Free Tools
0$
Cost, Ever
<1s
Time to Answer
4+
Countries Supported
All Tools

Pick Your Calculator

Every tool works instantly in your browser — no accounts, no downloads, no waiting.

Mortgage Calculator
Calculate monthly payments, total interest, and full amortization schedule for any home loan. Supports US, UK, Canada, and more.
Monthly Payment Amortization Interest
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BMI Calculator
Calculate your Body Mass Index using imperial or metric units. Understand your BMI category and what it means for your health.
Imperial & Metric BMI Category Health
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Currency Converter
Convert between major world currencies with live exchange rates. USD, GBP, EUR, CAD, AUD, and dozens more.
Live Rates 150+ Currencies Multi-currency
Convert Now
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Percentage Calculator
Four percentage modes: percent of a number, percent change, what percent X is of Y, and ratio to percentage. All in one tool.
% of Number % Change Ratio → %
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Age Calculator
Exact age in years, months, days, and weeks. Plus age difference between two people, and how old you were on any historical date.
Exact Age Age Difference Historical
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Tip Calculator
Calculate tip amount and split the bill among any number of people. Preset tip percentages, custom input, and optional rounding.
Bill Split Custom % Per Person
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Countdown Timer
Live countdown to any date — birthdays, launches, holidays, or personal goals. Days, hours, minutes, seconds, with a shareable link.
Live Timer Shareable Any Date
Start Counting
→
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Instant Results
Every calculation happens in your browser the moment you type. No loading spinners, no server round-trips, no waiting.
Always Free
No subscriptions, no account creation, no premium tiers. Every tool on NexAlc is completely free to use, forever.
Global Coverage
Tools built for US, UK, Canada, Australia, and Europe. Imperial and metric units, multiple currencies, and region-aware defaults.
Accurate Methodology
Every tool shows its formula and methodology. Results are transparent and verifiable — not black-box outputs.

Built for the questions you Google every day

Free Online Calculators for Everyday Decisions

NexAlc started with a simple observation: the most common calculator searches — mortgage payments, tip splits, BMI checks, age math — are buried under bloated pages loaded with distractions, pop-ups, and paywalls.

We built NexAlc to be the opposite. Clean, fast, and genuinely useful. Each tool is designed to give you the answer in one open — no friction, no noise.

Learn more about NexAlc →

Latest from the Blog

Guides to help you understand the numbers behind the tools.

Mortgage

15 vs 30-Year Mortgage: Which Saves More?

Read article → Mortgage

How Much House Can I Afford?

Read article → Mortgage

What Is an Amortization Schedule?

Read article →
View all articles →
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