555 Calc
HIDEKAZU JIBIKI
Calculate timer IC 555 resistors
The app calculates resistor values for circuit design using the Timer IC 555. Users input frequency, duty ratio, and C1 value, then touch calculate to see resistor values.
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Ranked alternatives
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Southwire® Voltage Drop Calc
Southwire Company
Calculate and wire size
Calculate for a specific conductor run or determine wire size based on and current carrying capacity. Limits wire size to and NEC ampacity. Supports AWG and KCMIL sizes only.
Macro Calculator - Macro Calc
Phan Nhat Đang
Calculate daily macros and track progress
Calculate daily macronutrient needs including carbs, fat, protein, and total calories. Provide adjusted values for weight gain or loss based on weekly goals. Track intake and set personalized dietary targets.
Slope Calculator - Calc
Phan Nhat Đang
Calculate with two triangle sides
Calculate as angle, percentage, or ratio using a right triangle. Enter two sides to find the remaining values. Display results clearly with unit options. Save and share calculations.
Ratio Calc!
David Mills
Radio control car ratio calculator tool.
The app calculates final drive ratio and rollout for radio control cars. Users can select cars by manufacturer and model, inputting pinion and spur gear sizes.
Drill Calc
Black Cat Systems
Calculate bit size for threaded holes
Calculate bit size for threaded holes using bolt diameter, thread pitch, and percentage for inch and metric threads. Display close fit hole sizes for common sizes. Provide tables for standard inch fractional and numeric bit sizes.
Construction Master Pro Calc
Calculated Industries, Inc.
Try before you buy
Calculate measurements and perform unit conversions for projects. Perform trigonometric calculations and angle measurements. Access a full user guide and use built-in formulas for precise calculations.
Ratio Calculator Total Tool
SHIGETO TAKAGI
Calculate ratios and heating time.
The app calculates ratios and totals from input values. It can also back-calculate ratios from a total and determine heating time based on microwave wattage.
Ohms Law Calc.
V PUGAZHENTHI
Calculate voltage, current, and resistance
Calculate electrical values using formulas for voltage, current, resistance, power, and more. Determine wire size and voltage drop. Perform transformer and generator calculations. Convert between electrical units.
Construction Master 5 Calc
Calculated Industries, Inc.
Try before you buy with free trial
Calculate measurements in feet, inches, and fractions. Convert between units and perform complex calculations. Store frequently used values and recall previous entries. Adjust for slope and pitch. Export results to email or cloud storage.
PPI Calc - PPI Calculator
Fausto Ristagno
Calculate PPI, aspect ratio, and screen dimensions
Calculate PPI, aspect ratio, and screen dimensions in inches or centimeters. Measure height, width, and area of any screen. Access a list of standard resolutions and common devices to preset data quickly.
Meteo Calc: Weather Forecast
雪平 王
Analyze with temperature, humidity, and pressure
Track current with temperature, humidity, and air pressure readings. Calculate dew point, wet bulb temperature, air density, vapor pressure, and enthalpy. Adjust indoor climate using comfort index calculations.
Electrical Calc Elite
Cyberprodigy LLC
Calculate loads and circuits
Calculate loads, voltage drops, and conductor sizes according to NEC codes. Verify compliance for residential and commercial projects. Access code references for 2002–2023 editions. Perform wire sizing, panel scheduling, and circuit calculations.
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