Mileage Calculator
Mileage reimbursement and the real cost of a trip.
Calculators
Everyday maths, money and measurements, worked out for you.
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Age Calculator
Find exact age in years, months, days, hours and minutes.
Cash Back or Low Interest Calculator
Which car incentive is actually worth more to you.
Budget Calculator
Where your money goes, against the 50/30/20 rule.
Payment Calculator
Solve for the monthly payment or for the term, either way.
Anorexic BMI Calculator
BMI against the clinical underweight and severity thresholds.
Interest Calculator
Compare simple and compound interest on the same figures side by side.
Discount Calculator
Work out sale prices, how much you save and stacked discounts.
Common Factor Calculator
Shared factors of two or more numbers, with the highest marked.
Rounding Calculator
Round to decimals, significant figures or any multiple.
Half-Life Calculator
Half-life, decay constant, mean lifetime and remaining amount.
Confidence Interval Calculator
Intervals for a mean or a proportion, with the margin of error.
Z-score Calculator
Z-scores, percentiles and probabilities either way.
Surface Area Calculator
Surface area of ten solids, with the formula shown.
Dew Point Calculator
Dew point, humidity or temperature from the other two.
Wind Chill Calculator
How cold it feels, and frostbite risk at that temperature.
GDP Calculator
GDP by expenditure or income, plus real growth and per capita.
Fraction Calculator
Add, subtract, multiply and divide fractions with the working shown.
Sales Tax Calculator
Add sales tax to a price, or strip it back out.
Annuity Payout Calculator
The income a lump sum can pay, and for how long.
Repayment Calculator
How long a debt takes to clear at the payment you can make.
Rental Property Calculator
Monthly cash flow, cap rate and cash-on-cash on a rental.
VA Mortgage Calculator
VA loan payment with the funding fee and no mortgage insurance.
Mortgage Payoff Calculator
See how much time and interest an extra payment removes.
Circle Calculator
Solve a circle from radius, diameter, circumference or area.
Body Type Calculator
Body shape from bust, waist and hip measurements.
Army Body Fat Calculator
US Army AR 600-9 tape test, with the age and sex limits.
Carbohydrate Calculator
Daily carbs in grams, and what a low or high carb day looks like.
Inflation Calculator
See what an amount is worth over time at any inflation rate.
Markup Calculator
Set a selling price from cost plus markup, with the margin shown.
Period Calculator
Next period dates, cycle phases and a twelve-month calendar.
Pregnancy Weight Gain Calculator
Recommended weight gain by week, from your starting BMI.
Greatest Common Factor Calculator
GCF by prime factorisation and the Euclidean algorithm.
Grade Calculator
Your current grade, and what you need on the final.
Resistor Calculator
Colour codes both ways, plus series and parallel values.
Mass Calculator
Mass from density and volume, force, or weight on any planet.
Day of the Week Calculator
What day any date falls on, past or future.
Proportion Calculator
Solve A : B = C : D for any missing value by cross-multiplying.
BMI Calculator
Calculate body mass index in metric or imperial units.
Take-Home-Paycheck Calculator
What actually lands in your account after every deduction.
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