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Plan serial or single-step dilutions by balancing initial and final cell concentrations with the desired volumes.

Infer microbial or mammalian cell doubling times from initial and final densities or vice versa.

Calculate land area from length × width, then convert it into acres, hectares, square feet, and other common land units.

Convert pressures between bar and psig, with psi, kPa, and atm references.

Convert weather station and aviation barometric pressures across common units.

Convert cents into US dollars (and vice versa) with automatic rounding.

Convert euro cents into euros (and vice versa) with support for rounding to the nearest cent.

Convert any number of dimes into dollars (and back) for quick cash counting, coin roll prep, and bank deposits.

Convert any height into centimeters, meters, inches, or feet+inches for medical charts, sports stats, or apparel sizing.

Convert heights from feet+inches or metric units into total inches (and back again).

Convert decimal inches into the nearest fractional inch (up to 1/64) while showing metric equivalents.

Convert land area between katha and square feet while showing metric references. Assumes the common Bangladesh/West Bengal definition of 1 katha = 720 sq ft.

Convert pressures between kilogram-force per square centimeter and pounds per square inch, with kPa and Pascal context.

Convert pressure between ksi and MPa, with psi and kPa reference values for engineering work.

Convert pressure between ksi and psi (1 ksi = 1000 psi) with optional kPa reference values.

Convert between psi and its common shorthand “lbs” (interpreted as pounds per square inch), with kPa reference values.

Convert micrograms (mcg) to milliliters (mL) using a concentration expressed in mcg per mL.

Convert metric length units (mm, cm, m) to inches and back, with feet as a quick reference.