Free calculators for work, money, health, study, and everyday maths.
CalcBeacon helps people check pay, compare costs, estimate profits, plan budgets, calculate health metrics, work out percentages, and solve daily calculations without clutter.
Open a useful calculator in one click
A cleaner quick-access strip for the tools people are most likely to use first.
PopularAge Calculator
Check age from any birth date in seconds.
PlanningBudget Calculator
Plan monthly income, spending, and savings.
BusinessVAT Calculator
Add or remove VAT without extra steps.
ProfitROI Calculator
See return on investment at a glance.
HealthBMI Calculator
Quick body mass index result and range.
FinanceLoan Payment
Estimate monthly repayments fast.
EverydayDiscount Calculator
Work out sale prices and savings instantly.
Use CalcBeacon to quickly estimate pay, calculate product margins, plan a budget, check health numbers, convert units, or solve everyday calculations. The tools are designed to give clear answers without unnecessary steps.
No signup, no downloads. All tools work directly in your browser.
From salary and VAT checks to percentage maths and time tools, the site is designed for practical day-to-day use.
Browse by category
Work & Pay Tools
18 tools for holiday pay, overtime, salary conversions, work hours and take-home pay.
EcommerceEcommerce & Profit Tools
21 tools for pricing, VAT, sales tax, profit margins, discounts and store maths.
FinanceFinance Calculators
21 tools for budgeting, savings, loans, mortgage, debt and interest.
HealthHealth Calculators
13 tools for BMI, calories, macros, hydration and body composition estimates.
MarketingMarketing & Metrics Tools
22 tools for ad efficiency, CPA, CTR, CPC and revenue maths.
WritingWriting & Generator Tools
10 tools for practical business writing and quick message drafts.
EverydayEveryday Math & Time
19 tools for percentages, dates, time, averages, pace, speed and conversions.
StudyStudy & School Tools
8 tools for grades, GPA, averages, ratios, fractions, percentages and classroom maths.
Featured tools
Percentage Calculator
Find percentages, increases, decreases and percentage change.
Age Calculator
Calculate age from date of birth in years, months and days.
Date Difference Calculator
Count the days between two dates quickly.
Time Duration Calculator
Measure time between two times, including overnight ranges.
Unit Converter
Convert common length, weight and temperature units.
Shopify Profit Calculator
Estimate per-order profit after key costs.
Popular everyday tools
Percentage Calculator
Useful for percentages, changes, discounts, and quick everyday maths.
Ratio Calculator
Simplify and scale equivalent ratios quickly.
Fraction Calculator
Handle common fraction maths in one place.
Pace Calculator
Popular with running, walking and training queries.
Speed Calculator
Useful for travel, sport and school problems.
GPA Calculator
Useful for GPA checks, school planning, and academic progress.
Featured guides
How to Calculate Percentage Increase
Learn the percentage increase formula, see a worked example, and jump into the CalcBeacon calculator.
How to Calculate a Discount
Learn how to calculate a discount amount and final sale price with a simple worked example.
Compound Interest Explained
Understand compound interest, the core formula, and how time changes the result.
How the 50/30/20 Budget Rule Works
Learn the 50/30/20 budgeting method and use a calculator to estimate your split.
How to Estimate Take-Home Pay
Learn a simple way to estimate take-home pay from gross pay and deduction percentages.
How to Calculate Holiday Pay
Learn a simple way to estimate holiday pay from hourly rate, weekly hours, and holiday days.
How to Calculate Overtime Pay
Learn a quick overtime pay formula using hourly rate, overtime hours, and multiplier.
How to Convert Salary to Hourly Rate
Turn annual salary into an hourly figure using weekly hours and paid weeks.
How to Convert Hourly Pay to Salary
Estimate annual salary from hourly rate, hours, and weeks.
How Shift Earnings Work
Understand shift earnings after breaks and shift count.
How to Calculate Profit Margin
Learn the basic profit margin formula and how to use it.