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Chemistry

Chemistry calculations for molecular weight, molarity, and solutions.

9 Calculators

Browse Chemistry

Molecular Weight Calculator

Calculate the molecular weight of a chemical formula

Molarity Calculator

Calculate molarity, moles, and volume

pH Calculator

Calculate pH from hydrogen ion concentration

Dilution Calculator

Calculate dilution using C1V1=C2V2

Percent Composition Calculator

Calculate percent composition of a compound

Ideal Gas Law Calculator

Calculate pressure, volume, or temperature using PV=nRT

Moles to Grams Calculator

Convert between moles and grams

Empirical Formula Calculator

Calculate empirical formula from percent composition

Specific Gravity Calculator

Calculate specific gravity of a substance

FAQ

Frequently Asked Questions

Are all Chemistry calculators free?

Yes, every calculator on this site is completely free to use with no sign-up required.

How accurate are these calculators?

Each calculator uses standard, widely-accepted formulas for its category. Results are for informational purposes - verify with a professional for critical decisions.

Do I need to install anything?

No - every calculator runs directly in your browser. Nothing to download or install.

Can I use these calculators on mobile?

Yes, every calculator is fully responsive and works on phones, tablets, and desktops.

Is my data saved when I use a Chemistry calculator?

No - all calculations happen in your browser and nothing is stored or transmitted.

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