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Simple tools for money, work and everyday life. Fast, friendly and free.
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All toolsMortgage Calculator
Estimate monthly mortgage payments, total interest and full loan cost.
Percentage Calculator
Find a percentage of a number, or the percent change between two values.
BMI Calculator
Calculate Body Mass Index from height and weight.
Age Calculator
Find exact age in years, months and days from a birth date.
Loan Calculator
Calculate monthly payments and total interest for any fixed-rate loan.
Tip Calculator
Split a bill and calculate the tip per person.
Length Converter
Convert between metric and imperial length units.
Compound Interest Calculator
See how investments grow with compounding over time.
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Money & Finance
Loans, interest, savings, percentages and everyday money math.
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Date & Time
Age, durations, date differences and business days.
Unit Converters
Length, weight, temperature, volume, speed, data and time.
Automotive
Fuel cost, consumption, efficiency and EV charging.
Home & Construction
Paint, flooring, tile and concrete material estimates.
Health & Fitness
BMI, BMR, calories, TDEE and running pace.
Business & Work
Profit margin, markup, break-even and salary conversions.
Education
Grade, GPA and study tools for students and teachers.
Food & Cooking
Recipe scaling, baking ratios and kitchen conversions.
Technology
Bandwidth, storage, power and developer utilities.
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