Loading...
6829 tools available
318 tools
306 tools
272 tools
268 tools
249 tools
Our Medical & Clinical category serves as a vital resource hub featuring 210 professional tools tailored for healthcare practitioners and clinical students. This comprehensive library includes precise medication dosage calculators, validated clinical scoring systems, and essential medical reference utilities. From determining renal function to evaluating cardiovascular risk scores, our resources support diagnostic accuracy and clinical workflows in fast-paced medical environments.
210 tools
203 tools
194 tools
188 tools
The Developer category contains 165 specialized utilities engineered to streamline your coding workflow and reduce debugging time. This suite includes high-performance code formatters, interactive API testers, regular expression builders, and rigorous JSON validators. Whether you are troubleshooting a complex regex pattern or verifying the structure of a large dataset, these developer-centric tools provide immediate, accurate feedback to help you maintain high code quality.
165 tools
Our Personal Finance category offers an extensive library of 163 tools designed to give you complete control over your financial future. This collection features detailed budget planners, sophisticated loan calculators, automated savings trackers, and precise tax estimators. Whether you are calculating the long-term cost of a mortgage, comparing credit card repayment strategies, or finding ways to reduce monthly expenses, these free financial utilities offer the data necessary for informed money management.
163 tools
156 tools
151 tools
149 tools
148 tools
134 tools
126 tools
123 tools
119 tools
116 tools
106 tools
102 tools
100 tools
95 tools
91 tools
90 tools
89 tools
88 tools
84 tools
82 tools
79 tools
76 tools
71 tools
The Business & Investment category provides 69 specialized tools to support strategic financial decision-making and venture growth. This collection includes professional Discounted Cash Flow (DCF) calculators, Return on Investment (ROI) tools, and business valuation models essential for investors and founders. Whether you are performing due diligence on a new acquisition or planning your next expansion phase, our comprehensive suite of analytical instruments delivers the clarity required for high-stakes business environments.
69 tools
65 tools
64 tools
63 tools
61 tools
58 tools
57 tools
56 tools
Our Body Metrics & Fitness category features 54 free tools designed to help you quantify and track your physical health goals. From precision BMI and body fat calculators to daily calorie counters and comprehensive fitness trackers, these resources provide data-driven insights into your physical condition. Whether you are an athlete optimizing performance or an individual starting a wellness journey, our tools offer the objective measurements needed to monitor progress accurately.
54 tools
53 tools
52 tools
49 tools
44 tools
41 tools
39 tools
38 tools
35 tools
34 tools
33 tools
30 tools
28 tools
27 tools
24 tools
22 tools
21 tools
20 tools
17 tools
15 tools
14 tools
13 tools
10 tools
5 tools
4 tools
3 tools
2 tools
With this inductor energy storage calculator, you'll quickly find the magnetic energy stored in an electrical circuit with inductance.
Use Omni's inductors in series calculator to work out the equivalent inductance of a series circuit.
Use our Darcy's law calculator to calculate the fluid flow rate through a porous medium.
Determine the change in the head with respect to the distance using this hydraulic gradient calculator.
The hydraulic jump calculator analyzes the jump from a supercritical to a subcritical flow in a rectangular channel.
Determine the properties of a gas for an oblique shock wave using the oblique shock calculator.
Use our pounds per minute calculator to easily calculate the mass flow rate in lb/min.
Will it float or sink? Use the water density calculator, which takes temperature, salinity, and pressure into account, to answer the question.
Determine the wind correction angle for your flight using Omni's wind correction angle calculator.
The mixing ratio of air calculator allows you to find the actual and saturation mixing ratios of air as well as associated relative humidity.
Use the relative humidity calculator to explore the relationship between relative humidity, air temperature, and dew point.
The Biot number calculator helps you compute the Biot number that determines how quickly heat transfers from the surface of a body to its interior.
This coefficient of performance calculator determines the coefficient of performance of reversible and irreversible refrigerators and heat pumps.
Determine the heat capacity of a body using Omni's heat capacity calculator.
Use the ideal gas law calculator to find the pressure, volume, and temperature of a gas.
The latent heat calculator computes the energy released or absorbed during a phase transition like melting or vaporizing.
The mean free path calculator lets you find the mean free path of any particle in an ideal gas.
Use the root mean square velocity calculator to find the velocity of a particle in a gas based on the kinetic theory of gases.
Determine the properties of a gas using the specific gas constant calculator.
The thermal equilibrium calculator helps you determine the final temperature at which two objects or systems are in thermal equilibrium.
Use our thermal resistance calculator to find the thermal resistance of an object for three different shapes: a plate, hollow cylinder, and hollow sphere.
The Curie constant calculator helps you calculate the Curie constant characterizing magnetic properties of paramagnets.
Use this Fermi level calculator to estimate Fermi parameters and explore the Fermi-Dirac statistics.
Learn how to calculate the frequency of light and the regions of the electromagnetic spectrum with this handy tool!