vantat.fyi / science

Science Tools

Practical browser-based chemistry and laboratory calculators. No login, no spreadsheet, no installation.

Solution preparation

Dilution Calculator

Calculate stock volume using C₁V₁ = C₂V₂.

Solution preparation

Percentage Solution

Calculate % w/v or % v/v preparations.

Solution preparation

Molarity / Mass

Calculate grams required from molarity, final volume and molar mass.

Solution preparation

Serial Dilution

Generate transfer and diluent volumes for repeated dilution steps.

TubeRelative concentrationTransferDiluent

Chemistry

Molar Mass

Calculate formula mass for common chemical formulas. Supports parentheses and hydrates using ·.

Chemistry

pH Calculator

Simple ideal strong acid and strong base calculations at approximately 25 °C.

Chemistry

Lab Unit Converter

Convert common volume, mass, molar concentration, temperature and pressure units.

Solution preparation

Solution Recipe Generator

Generate a basic preparation method from molarity, volume and molar mass.