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PopularAge Calculator
Check age from any birth date in seconds.
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PlanningBudget Calculator
Plan monthly income, spending, and savings.
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BusinessVAT Calculator
Add or remove VAT without extra steps.
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ProfitROI Calculator
See return on investment at a glance.
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HealthBMI Calculator
Quick body mass index result and range.
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FinanceLoan Payment
Estimate monthly repayments fast.
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EverydayDiscount Calculator
Work out sale prices and savings instantly.
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Pay clarity
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I want to understand my pay
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Money planning
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I want to manage my money
Start with the monthly picture, then work toward savings goals, safety buffers and debt decisions.
Campaign maths
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I want to measure a campaign
Check cost, clicks, conversion and profit in a clearer order instead of comparing disconnected metrics.
Body metrics
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I want to check health numbers
Go from a quick body check to calories, macros and a more practical daily target.
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I want to solve everyday maths
Jump into the most common percentage, ratio, date and time tasks people usually search for.
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Work & Pay
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.
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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.