Miscellaneous

Roll virtual dice, see totals and each die, and check exact odds for at least, exactly, or at most a target total.

Enter a tire sidewall code to calculate diameter, width, sidewall height, circumference, and revolutions per mile, with an optional size comparison.

Calculate MPG, trip fuel cost, cost per mile, and yearly gas savings from better mileage with distance or odometer readings.

Find horsepower, torque, or RPM from the other two values with lb-ft or Nm support and a clear same-number RPM note.

Calculate horsepower, torque, or RPM in US or metric units with clear formulas, conversions, and unit-aware results.

Calculate actual MPG from miles and gallons, or estimate trip fuel, gasoline cost, and an optional MPG cost range.

Estimate trip fuel cost, fuel needed, cost per person, and cost per 100 miles or km with round-trip and adjustment options.

Calculate dew point from air temperature and relative humidity, then check whether a measured surface may collect condensation.

Estimate heat index from air temperature and humidity or dew point, with a direct sun range and clear trust notes.

Calculate wind chill fast with air temperature and wind speed, plus a clear cold safety note and formula range check.