Free tools
Every tool here is free to use. Pick one, get an answer, move on.
$60.00
Split a bill fairly, even when people paid differently.
Split Expenses Calculator
Option B
Which pack is actually the better deal?
Unit Price Comparator
Item A
Is the expensive one actually worth it?
Cost Per Use Calculator
2 x 5L
Buy the right amount of paint, first time.
Paint Calculator
11
How much flooring to buy, with waste included.
Flooring Calculator
$19,435
Budget a renovation without nasty surprises.
Renovation Budget Planner
$1,190
What will the move actually cost you?
Moving Cost Calculator
$3,200
Plan a trip you can actually afford.
Holiday Budget Calculator
$38.08
What will the drive actually cost you?
Fuel Cost Calculator
$800.00
Split a whole trip fairly across the group.
Group Trip Splitter
$3,744
What your commute really costs you a year.
Commute Cost Calculator
$2,106.50
How much money will I need for my trip?
Travel Money Calculator
$214.29
How much can I spend each day?
Travel Daily Spend Calculator
$0.00
What will this purchase actually cost me?
Foreign Purchase Cost Calculator
€833.00
What is the real cost after fees?
True Currency Cost Calculator
£0.00
How much will this international payment really cost?
International Payment Calculator
£0.00
What does my salary look like in another currency?
Salary Currency Converter
$-800.00
What happens if the exchange rate changes?
Exchange Rate Impact Calculator
—
Convert currencies instantly with live indicative rates.
Currency Converter
—
Compare the value of your money across currencies.
Currency Comparison
88.8
Find a percentage of any number, instantly.
Percentage Calculator
25%
See the percentage increase between two values.
Percentage Increase Calculator
20%
See the percentage decrease between two values.
Percentage Decrease Calculator
+30%
The percentage change from one value to another.
Percentage Change Calculator
100
Find the original value before a percentage change.
Reverse Percentage Calculator
40%
The percentage difference between two numbers.
Percentage Difference Calculator
60
Work out the discount and the final price.
Percentage Discount Calculator
75%
Turn a fraction into a percentage.
Fraction to Percentage
5/6
Add, subtract, multiply and divide fractions.
Fraction Calculator
3/4
Reduce a fraction to its simplest form.
Simplify Fractions
0.375
Convert a fraction to a decimal.
Fraction to Decimal
2 : 3
Simplify a ratio to its lowest terms.
Ratio Calculator
12
Solve a/b = x/d for the missing value.
Proportion Calculator
3
Find the cost or amount per single unit.
Unit Rate Calculator
32
Raise a base to any power.
Exponent Calculator
12
Find the square root of a number.
Square Root Calculator
5
Calculate a logarithm in any base.
Logarithm Calculator
2.995732
Calculate ln(x) — log base e.
Natural Log Calculator
6
Solve ax + b = c for x.
Linear Equation Calculator
x = 3 or 2
Solve ax² + bx + c = 0 using the quadratic formula.
Quadratic Formula Calculator
30
Area of a triangle from base and height.
Triangle Area
78.539816
Area of a circle from its radius.
Circle Area
5
Find a missing side of a right triangle.
Pythagorean Theorem
18
The average of a set of numbers.
Mean Calculator
5
The middle value of a set of numbers.
Median Calculator
2
Measure the spread of a data set.
Standard Deviation Calculator
0.166667
The probability of a single event.
Probability Calculator
1,647.01
See how money grows with compound interest.
