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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. ...
Estimate water needed to irrigate a lawn or garden area. ...
Convert an IPv4 start/end address range to CIDR blocks and ...
Calculate IQR and detect outliers using the 1.5×IQR rule. ...
Calculate total R-value of a wall or ceiling assembly. Use ...
Calculate insulation area coverage needed for walls, ...
Calculate impulse from force and time, or from change in ...
Solve the ideal gas law (PV = nRT) for any unknown ...
Calculate [OH⁻] concentration from pOH or pH. Use this free ...
Calculate [H⁺] concentration from pH. Use this free ...
Calculate required HVAC tonnage for a home or commercial ...
Estimate humidifier output (gallons/day) needed for a home. ...
Encode text to HTML entities or decode HTML entities back ...
Estimate gross and net profit for a house flip. Use this ...
Calculate the number of usable hosts in a subnet from a ...
Convert horsepower and RPM to engine torque. Use this free ...
Solve for spring constant, force, or displacement using ...
Calculate total annual home CO2 emissions from electricity, ...
Calculate high school GPA from letter grades with optional ...
Calculate buffer pH using the Henderson-Hasselbalch ...
Estimate BTU/hr needed to heat a space based on area and ...
Estimate heat loss through walls, ceiling, and windows. Use ...
Calculate the apparent "feels like" temperature from air ...
Calculate genotype frequencies at Hardy-Weinberg ...
Calculate half-life from decay constant, or find decay ...
XTRAW Tools
Free calculators, converters, generators, and simple apps for everyday decisions.
XTRAW Tools
Free calculators, converters, generators, and simple apps for everyday decisions.