Tree Carbon Calculator
Tree Diameter (D) in inches: Tree Height (H) in feet: Carbon Factor (CF): Calculate Carbon…
10 Fold Dilution Calculator
Initial Concentration (C1): Dilution Factor (D): Calculate Final Concentration (C2): A 10-fold dilution calculator is…
Water Hardness Calculator
Calcium (Ca) Concentration (mg/L): Magnesium (Mg) Concentration (mg/L): Calculate Water Hardness (WH): Water hardness is…
Max Depth Calculator
Partial Pressure of Oxygen (PPO2): Fraction of Oxygen (FO2): Calculate Maximum Depth (MD): When diving,…
Delta Absorbance Per Minute Calculator
Enter Delta Absorbance (dA): Enter Time (T) in minutes: Calculate Absorbance Per Minute (APM): The…
Nitrogen Rate Calculator
Weight of Nitrogen (WN) in grams: Weight of Bulk Material (WB) in grams: Calculate Nitrogen…
Hydraulic Retention Time Calculator
Volume (V) in cubic meters: Flow Rate (Q) in cubic meters per day: Calculate Hydraulic…
Pool Water Capacity Calculator
Length of the pool (in feet): Width of the pool (in feet): Average depth of…
Activation Energy Calculator
Gas Constant (R): Temperature (T in Kelvin): Reaction Rate Constant (k): Pre-exponential Factor (A): Calculate…
Water Equivalence Factor Calculator
Weight of the Substance (WS): Volume of Reference (VR): Calculate Water Equivalence Factor (WF): The…
Thin Lens Calculator
Enter Object Distance (do) in cm: Enter Image Distance (di) in cm: Calculate Focal Length…
Voltage to Pressure Calculator
Enter PR (Pressure Reference): Enter Vr (Measured Voltage): Enter VL (Lower Voltage): Enter Vu (Upper…
Ka/Ks Ratio Calculator
Ka (Nonsynonymous Substitution Rate): Ks (Synonymous Substitution Rate): Calculate Ka/Ks Ratio: The Ka/Ks ratio, also…
Cooling Tower Cycles of Concentration Calculator
System Water Concentration (ppm): Makeup Water Concentration (ppm): Calculate Cycles of Concentration (COC): The cycles…
Station Pressure Calculator
Enter Atmospheric Pressure (Pa) in Pascals: Enter Height (h) in meters: Station Pressure (Pstn): Calculate…