Calculators
Free online calculators for loans, tips, percentages, dates, BMI and more. Every calculation happens in your browser, instantly and privately.
Percentage Calculator
Work out percentages, increases, decreases and percentage differences.
Open toolLoan Calculator
Estimate monthly payments, total interest and see a full amortization table.
Open toolScientific Calculator
A full scientific calculator with trig, logs, powers and memory.
Open toolBMI Calculator
Calculate body mass index in metric or imperial units.
Open toolAge Calculator
Find an exact age in years, months, days, plus the next birthday countdown.
Open toolTip Calculator
Split a bill and work out the tip per person in seconds.
Open toolCalorie Calculator
Estimate daily calories from BMR and activity, with targets and macros.
Open toolCompound Interest Calculator
Project how savings grow with compounding and regular contributions.
Open toolGPA Calculator
Calculate your weighted GPA from letter grades and credits on any common scale.
Open toolDiscount Calculator
Find the sale price, savings and effective discount on any purchase.
Open toolSales Tax Calculator
Add sales tax or VAT to a price, or work backwards to strip tax out of a total.
Open toolDate Difference Calculator
Count the days, weeks and months between any two dates.
Open toolAspect Ratio Calculator
Resize without distortion: keep the aspect ratio or find it from any size.
Open toolTime Duration Calculator
Find the exact time between two times, with an overnight option and breaks.
Open toolFuel Cost Calculator
Estimate the fuel cost of a trip from distance, efficiency and price.
Open tool