Utility & Math
Everyday math utilities for percentages, ratios, averages, fuel, electricity, inflation, and random numbers.
Percentage Calculator
Use the Percentage Calculator to get a fast, readable percentage result with inputs, a clear answer, and the formula shown below.
Percentage Change Calculator
Use the Percentage Change Calculator to get a fast, readable percentage change result with inputs, a clear answer, and the formula shown below.
Fraction Calculator
Use the Fraction Calculator to get a fast, readable fraction result with inputs, a clear answer, and the formula shown below.
Ratio Calculator
Use the Ratio Calculator to get a fast, readable ratio result with inputs, a clear answer, and the formula shown below.
Average Calculator
Use the Average Calculator to get a fast, readable average result with inputs, a clear answer, and the formula shown below.
Median Calculator
Use the Median Calculator to get a fast, readable median result with inputs, a clear answer, and the formula shown below.
Random Number Generator
Use the Random Number Generator to get a fast, readable random number generator result with inputs, a clear answer, and the formula shown below.
Tip Split Calculator
Use the Tip Split Calculator to get a fast, readable tip split result with inputs, a clear answer, and the formula shown below.
Fuel Cost Calculator
Use the Fuel Cost Calculator to get a fast, readable fuel cost result with inputs, a clear answer, and the formula shown below.
MPG Calculator
Use the MPG Calculator to get a fast, readable mpg result with inputs, a clear answer, and the formula shown below.
Electricity Cost Calculator
Use the Electricity Cost Calculator to get a fast, readable electricity cost result with inputs, a clear answer, and the formula shown below.
Inflation Calculator
Use the Inflation Calculator to get a fast, readable inflation result with inputs, a clear answer, and the formula shown below. A local CPI table is included so the calculator works without live data.