Calqeno · Free online calculators
Calculators made simple.
Free calculators for real-life decisions — mortgages, savings, health, time and everyday maths. Clear results, with the working shown.
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A shortlist of core calculators to start with.
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Finance
Mortgages, loans, interest, investment and savings.
Maths
Percentages, fractions, ratios, averages and statistics.
Health & Fitness
Calories, BMI, BMR, macros and fitness calculations.
Time & Date
Age, date difference, time difference and countdowns.
Conversions
Length, weight, temperature, area and volume.
Business
Salary, profit, margin, VAT and payroll.
Property
Mortgages, affordability and rent-vs-buy comparisons.
Education
GPA, grades and study-related calculations.
New calculators
Recently added to Calqeno.
Protein Intake Calculator
Estimate daily protein needs based on weight and activity.
Health & FitnessFeatured calculator
Mortgage Calculator
See your monthly payment, how much goes to interest, and the total cost of the loan — before you commit.
Built to give you useful answers
Clear results
See the number that matters first, without wading through clutter.
Show your working
Understand the formula, assumptions and methodology behind the result.
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No sign-up and no paywall between you and the calculation.
How Calqeno calculates — every calculator is built around a defined formula or methodology. Where assumptions matter, they’re explained alongside the result.
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