Free calculators, converters, generators, and tools.
Popular Tools | New Tools | All Categories
BUILD YOUR OWN APP
Can't decide? Enter your options and let the app pick one ...
Generate random colors and display their HEX, RGB, and HSL ...
Generate one or more random dates within a specified range. ...
Convert feet to centimeters. Use this free browser-based ...
Convert Fahrenheit temperatures to Celsius. Use this free ...
Calculate the factorial of a nonnegative integer. Use this ...
Estimate fabric needed for sewing projects. Use this free ...
Calculate savings from extra mortgage payments. Use this ...
Calculate exponential growth or decay given initial value, ...
Calculate probabilities for exponentially distributed ...
Calculate powers using a base and exponent. Use this free ...
Estimate EV driving range from battery capacity and ...
Estimate time to charge an EV from a given charger power ...
Calculate the cost to charge an electric vehicle. Use this ...
Count words, characters, sentences, paragraphs, and ...
Estimate monthly escrow payment for taxes and insurance. ...
Calculate pitcher ERA (Earned Run Average). Use this free ...
Calculate equivalent weight from molar mass and n-factor. ...
Calculate enzyme activity in units (U) from reaction data. ...
Calculate total engine displacement from bore, stroke, and ...
Convert energy values between joules, calories, ...
Determine empirical formula from percent composition by ...
Estimate how much emergency savings you may need. Use this ...
Calculate standard cell potential from cathode and anode ...
Calculate CO2 emissions from electricity consumption. Use ...
Calculate the cost of running an appliance from watts, ...
Calculate Cohen's d and other effect size measures. Use ...
XTRAW Tools
Free calculators, converters, generators, and simple apps for everyday decisions.
XTRAW Tools
Free calculators, converters, generators, and simple apps for everyday decisions.