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 moles of a substance to grams using molar mass. Use ...
Calculate molecular weight by summing atomic weights of ...
Determine the molecular formula from empirical formula mass ...
Calculate molarity (molar concentration) of a solution. Use ...
Calculate molality of a solution from moles of solute and ...
Calculate total magnification, field of view, and actual ...
Calculate mass percent (weight percent) of a solute in a ...
Calculate margin of error for a survey or sample. Use this ...
Calculate the pace needed to finish a marathon or ...
Convert between lumens, watts, and luminous efficacy. Use ...
Calculate total linear feet and board feet of dimensional ...
Calculate the odds of winning a lottery by matching ...
Calculate population size under logistic growth with a ...
Calculate loan-to-value ratio for a property purchase or ...
Calculate slope, intercept, and R² for a simple linear ...
Identify the limiting reactant from two reactant quantities ...
Calculate total lumens needed and number of light fixtures ...
Convert letter grades to GPA points on a 4.0 scale. Use ...
Calculate the total cost of buying out your leased vehicle. ...
Convert liters per 100 kilometers to miles per gallon. Use ...
Calculate fuel consumption in liters per 100 kilometers. ...
Calculate kinetic energy from mass and velocity. Use this ...
Convert a JSON array of objects to CSV format. Use this ...
Minify JSON by removing all unnecessary whitespace. 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.