Scientific calculator
From quick sums to bigger questions.
A little less busywork
Calculators
Useful tools, right when you need them. All free. All in your browser.
Pick a tool. Make it happen.
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Percentage calculator
Percentages, made a little less puzzling.
Discount & tax
Know the final price before checkout.
Loan & EMI calculator
Plan monthly repayments with clarity.
Compound interest
See how your savings can grow.
Tip & bill splitter
Good company. Fairly split bills.
Age calculator
Years, months and little milestones.
Date difference
Find the days between two dates.
Unit converter
Lengths, weights, temperatures and more.
BMI calculator
A quick adult body mass index calculation.
Aspect ratio
Find the perfect proportions.
Savings goal
Turn a future goal into a monthly plan.
Average & statistics
Mean, median, modes and standard deviation.
Fraction calculator
Add, subtract, multiply and divide exact fractions.
Scientific notation converter
Move between decimal and scientific notation.
Ratio splitter
Divide an amount into proportional shares.
Number rounding tool
Round, floor or ceil to decimal places.
Time duration calculator
Add or subtract hours, minutes and seconds.
Speed, distance & time
Find the missing part of a journey.
Fuel & trip cost
Estimate fuel needed and share the trip cost.
Electricity cost calculator
See what an appliance costs to run.
Simple interest calculator
Principal, interest and final balance.
Inflation calculator
Compare future cost and purchasing power.
Return on investment
Work out gain, return and annualized growth.
Break-even calculator
Find how many units cover your fixed costs.
Margin & markup
Compare profit, margin and markup clearly.
Salary & wage converter
Convert hourly, daily, weekly and annual pay.
Add or subtract days
Find a date a chosen number of days away.
Working days calculator
Count weekdays or add business days.