Free Online Calculators for money, health, science, military & everyday life
DexoCalc is a free calculator website with 1,000+ precise, formula-based tools in 32 categories. Search once, get an answer in seconds — no sign-up, no paywall, nothing stored.
- mortgage$350,000 · 6.5% · 30 yr$2,212.24/mo
- bmi70 kg · 175 cm22.9 · Normal
- compound$10,000 · 7% · 10 yr$19,671.51
- due_dateLMP Jan 1, 2026Oct 8, 2026
- pace5K in 25:008:03 /mi
- discount$120 · 25% off$90.00
- Formula-sourced — every tool shows its method
- Private — math runs in your browser
- Pharmacist-reviewed health tools
- Instant — no sign-up, no download
Finance Calculators
Loans, savings, budgeting and compound interest — the core money math.
Open category PopularMortgage Calculators
Payments, amortization, refinancing and affordability — built for home buyers.
Open category Pharmacist-reviewedHealth Calculators
BMI, body fat, calories and clinical numbers — checked by a practising pharmacist.
Open category 50 statesTax Calculators
All 50 states covered — income tax, paycheck and take-home pay.
Open categoryBrowse Every Calculator Category
Beyond the featured hubs, DexoCalc covers 28 more categories — from statistics and chemistry to pet care, travel and the new military pay and benefits tools. Filter by topic or scan the numbered index.
- 001 Property & Real Estate CalculatorsRent, square footage and rental ROI.
- 002 Salary & Career CalculatorsHourly pay, raises and take-home salary.
- 003 Statistics CalculatorsMean, standard deviation, probability and data tools.
- 004 Sport & Fitness CalculatorsPace, heart-rate zones and training numbers.
- 005 Shopping CalculatorsDiscounts, sales tax, tips and unit prices.
- 006 SEO CalculatorsKeyword density, CTR and ranking estimates.
- 007 Science CalculatorsGeneral science formulas and quick lab conversions.
- 008 Physics CalculatorsForce, velocity, energy and motion equations.
- 009 Chemistry CalculatorsMolar mass, concentration and stoichiometry.
- 010 Pet CalculatorsPet age, food portions and vet costs.
- 011 Math CalculatorsAlgebra, geometry, fractions and equation solvers.
- 012 Maternal Health CalculatorsDue dates, ovulation, pregnancy weight and more.
- 013 Food & Nutrition CalculatorsRecipe scaling, macros, calories and portion sizes.
- 014 Everyday Life CalculatorsDates, time, age and the small math of daily life.
- 015 Engineering CalculatorsLoad, stress, material and structural formulas.
- 016 Education CalculatorsGPA, grades, study time and test scores.
- 017 Digital Marketing CalculatorsROAS, CPC, conversion rate and ad budgets.
- 018 Date & Time CalculatorsCountdowns, durations, time zones and age in days.
- 019 Crypto & Investing CalculatorsReturns, compounding and portfolio growth.
- 020 Creator Economy CalculatorsEarnings, engagement rate and sponsorship value.
- 021 Conversion CalculatorsLength, weight, temperature and unit conversions.
- 022 Construction CalculatorsConcrete, framing, paint and material estimates.
- 023 Business CalculatorsMargins, break-even, payroll and growth metrics.
- 024 AI CalculatorsToken costs, model comparisons and AI estimates.
- 025 Vehicle & Transportation CalculatorsFuel cost, mileage, EV charging and car loans.
- 026 Islamic CalculatorsZakat, Hijri dates and Islamic finance tools.
- 027 Travel CalculatorsTrip costs, currency, fuel and travel time.
- 028 Military CalculatorsNewMilitary pay, BAH, VA disability, PT scores and ASVAB.
Manzoor Ahmad — pharmacist turned calculator developer, with 13+ years of web development and SEO experience. Every calculator is built on a published formula, tested against worked examples and updated when the underlying rules change.
Quick Answers About DexoCalc
DexoCalc is a free online calculator website. It brings together more than 1,000 calculators in 32 categories — from mortgage, tax and finance to health, statistics, science and the new Military Calculators section — so you can find the right tool and get an answer in seconds.
Yes. Every calculator is completely free, with no sign-up, no paywall and no download. The math runs in your browser, and we do not store the personal numbers you type into a calculator.
Each calculator is built on a published, standard formula — for example the standard amortization formula for mortgage payments and the CDC/WHO formula for BMI — and is checked against worked examples before it goes live. Treat results as a reliable estimate and a guide, not as professional financial, medical or legal advice.
DexoCalc is built and maintained by Manzoor Ahmad, a pharmacist turned calculator developer with 13+ years of web development and SEO experience. Health calculators get an extra clinical review, and every tool lists the formula it uses.
Type what you need into the search bar at the top of this page (press the / key to jump straight to it). Matching categories appear instantly, and pressing Enter searches every calculator on the site. You can also filter the full index by Money, Health, Math & Science, Life & Work or Digital & AI.
Why Choose Dexocalc?
Accurate Calculators
Evidence based formulas for precise results you can trust
1000+ Calculators
Get hundreds of thousands premium looking, free calculators
Private & Secure
Your data stay private, we don't store any of your personal information
Try It For Free. No Registration Needed.
Get Results In 3 Easy Steps
Choose a Calculator
Select the calculator you need from our collection of tools.
Enter Your Values
Input the required information accurately to generate results.
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Receive fast, easy-to-understand calculations in seconds.
Use calculations as a guide, not as professional advice.
While we work hard to keep our calculators accurate and up to date, results should be considered estimates based on the information you provide. Individual circumstances can vary significantly.
Always use your own judgment and consult a qualified professional whenever health, financial, legal, or safety-related decisions are involved.