Science Calculators
Physics equations, chemistry molecular weights, speed, acceleration, and thermodynamic formulas.
Acme Prop Calculator
Calculate pitch, diameter, cup, and slip for Acme Marine CNC-machined inboard tournament ski, wakeboard, and wakesurf boat propellers.
Air Density Calculator
Calculate moist atmospheric air density, dew point, and density altitude from temperature, barometric pressure, elevation, and humidity.
Best Scientific Calculator
Advanced online scientific calculator. Trigonometric functions (sin, cos, tan), natural and common logarithms, powers, roots, factorials, and memory.
Cube Density Calculator
Calculate the density of cubic objects from side length and mass, with material identification and unit conversions.
Density Calculator
Calculate density (ρ = m/V), mass, or volume across metric and imperial units with instant multi-unit conversions.
Drone Thrust Calculator
Calculate required hover thrust, motor sizing, throttle percentages, and payload margins for quadcopters, hexacopters, and octocopters.
Firewood Calculator
Estimate winter heating firewood cords based on home square footage, climate zone, and wood stove heating efficiency.
Firewood Cord Calculator
Calculate seasoned vs green firewood weight, million BTU heat content, and heating oil equivalents for cords of firewood.
Heat Index Calculator
Calculate NOAA "feels like" apparent temperature from ambient temperature and relative humidity with heat exhaustion and heat stroke danger warnings.
Jet Engine Thrust Calculator
Calculate turbojet and turbofan gross thrust, net thrust, ram drag, and bypass thrust distribution across flight speeds.
Mercury Propeller Calculator
Calculate propeller slip, speed, and pitch requirements for Mercury Marine FourStroke, Pro XS, and Verado outboards.
Moon Phase Birthday
Discover the exact lunar phase on the day you were born, illumination percentage, and esoteric lunar personality archetype.
Motor Thrust Calculator
Calculate electric brushless motor thrust, RPM under load, power draw (Watts), and efficiency (grams per Watt).
Pipe Thrust Calculator
Calculate hydrostatic thrust block force at pipe bends, elbows, tees, and caps for water mains and civil engineering piping.
Propeller Calculator
Calculate theoretical pitch speed, actual boat speed, and propeller slip percentage across engine RPM, pitch, and gear ratios.
Propeller Thrust Calculator
Calculate static aerodynamic thrust, exit airspeed, and absorbed shaft power for airplane, drone, and paramotor propellers.
PSA Density Calculator
Calculate Prostate-Specific Antigen (PSA) density to assess prostate cancer risk and differentiate BPH from malignant tumors.
Rafter Thrust Calculator
Calculate horizontal outward roof thrust on exterior load-bearing walls and size required ceiling ties or structural ridge beams.
RC Thrust Calculator
Calculate required thrust and power-to-weight ratios for RC airplanes, trainers, warbirds, gliders, and 3D aerobatic aircraft.
Rocket Thrust Calculator
Calculate rocket propulsion thrust, specific impulse (Isp), effective exhaust velocity, and pressure thrust across atmosphere and vacuum.
RPM to Thrust Calculator
Directly translate measured propeller rotational speed (RPM) and dimensions into static and dynamic thrust.
Sailboat Propeller Calculator
Calculate displacement hull speed, auxiliary engine horsepower matching, shaft RPM, and recommended prop diameter and pitch for cruising sailboats.
Sphere Packing Calculator
Calculate sphere packing density, discrete count, Kepler maximum theoretical bound (74.05%), and void volume in boxes, cylinders, and vessels.
Static Thrust Calculator
Calculate zero-airspeed static bench thrust, exit velocity, and mechanical load for propeller and fan testing rigs.
Suzuki Prop Calculator
Calculate prop slip, top speed, and optimal pitch selection for Suzuki 4-stroke outboard motors with high-reduction gearboxes.
Thrust Calculator
Calculate mechanical, aerodynamic, and momentum thrust from fluid mass flow rate, exhaust velocity, and pressure differential.
Thrust to Weight Ratio Calculator
Calculate Thrust-to-Weight Ratio (TWR), vertical acceleration in G-forces and m/s², and flight capability for rockets, aircraft, and drones.
Trestle Wood Calculator
Estimate heavy timber trestle bents, post spacing, cap beams, stringers, and structural dead load weight for bridges and trestles.
Water Density Calculator
Calculate pure freshwater and ocean seawater density based on temperature (-5°C to 100°C) and salinity (0 to 40 PSU).
Weight of Wood Calculator
Calculate the weight of lumber and logs across tree species in pounds and kilograms for kiln-dried versus green wood.
Fan Thrust Calculator
Calculate thrust produced by electric ducted fans (EDF), industrial blowers, and axial ventilation fans.
Leap Year Calculator
Check if any year is a leap year, explore next and past leap years, and understand the Gregorian 400-year rule.
Michigan Wheel Prop Calculator
Calculate replacement propeller pitch, diameter, speed, and slip for Michigan Wheel Vortex, Apollo, and Ballistic series props.
Frequently Asked Questions about Science Calculators
Are the calculators in this category free to use?
Yes. All science calculators on Calculat.dev are 100% free with no account registration or limits.
Are my calculation inputs saved on a database?
No. Every calculation executes client-side directly in your browser. No personal or numeric inputs are recorded or transmitted to any server.
Explore Other Categories
Math Calculators
Solve arithmetic, percentages, averages, algebra, geometry, and advanced mathematics problems.
Finance Calculators
Calculate loans, mortgages, compound interest, investments, savings, and retirement planning.
Health Calculators
Monitor your body mass index (BMI), calories, ideal weight, body fat, and wellness metrics.
Date & Time Calculators
Calculate exact age, days between dates, time durations, work days, and countdowns.