Free Online Science Calculators
Wind chill, speed, distance and time, and resistor color codes.
3
free tools
Weather and motion
Wind chill and speed.
Wind Chill Calculator
This wind chill calculator works out how cold it feels on exposed skin when wind is blowing, using the formula the US National Weather Service and Environment Canada adopted in 2001.
Runs in your browser
Open
Speed Calculator
This speed calculator solves the speed, distance and time triangle.
Runs in your browser
Open
Free science calculators
Find how cold it feels with the Wind Chill Calculator, solve speed, distance and time with the Speed Calculator, and read resistors with the Resistor Color Code Calculator.
Questions
Are these calculators free?
Yes, with no sign-up.
Do they show the formulas?
Yes. Each page explains the formula used.
Do they work offline?
They run in your browser once the page has loaded.
Can I use metric units?
Yes. Each calculator accepts metric and US units.
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