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Other Calculators

Useful education, transport, measurement, calendar, and weather calculators.

Browse Other Calculators

GPA CalculatorCalculate a credit-weighted GPA for two course groups.Grade CalculatorConvert earned and possible points into a percentage grade.Fuel Cost CalculatorEstimate trip fuel required and cost using metric inputs.Gas Mileage CalculatorCalculate km/L and L/100 km from distance and fuel used.Square Footage CalculatorCalculate rectangular floor area and perimeter.Density CalculatorCalculate density from mass and volume in consistent units.Roman Numeral ConverterConvert whole numbers from 1 to 3999 into Roman numerals.Day CounterCount calendar days between two dates.Day of the Week CalculatorFind the weekday for a calendar date.Wind Chill CalculatorEstimate perceived cold from air temperature and wind speed.Heat Index CalculatorEstimate apparent heat from temperature and relative humidity.Dew Point CalculatorEstimate dew point from temperature and relative humidity.

Start here: practical tutorial

Match an everyday estimate to the decision

Choose the narrowest matching calculator, verify all units, enter values from a reliable measurement and adjust uncertain inputs after reading the worked example.

  1. Choose the tool matching the input you have and the result you need.
  2. Confirm every unit, option and assumption before running it.
  3. Review the example, limitations and output before using the result.

Worked example

Trip fuel cost combines distance, vehicle efficiency and price; changing any one assumption changes the estimate.

What this does not replace

Weather, waste, coverage, route conditions, prices and institutional rules can differ from the model.

Estimate a trip fuel cost