PhysicsDock is a local-first educational toolset. Validate units, assumptions, and required precision for your own coursework, lab, or engineering context.

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PhysicsDock Tool

Sig Figs + Uncertainty Rounding

Count significant figures, round values, convert scientific notation, and apply lab-style uncertainty rounding rules.

Count significant figures

Measurement

Significant figures

Round to N significant figures

Value

Significant figures

Rounded value

12300

Scientific notation

Value

Scientific notation

0.000123

Value with uncertainty

Measured value

Uncertainty

Rounded report value

9.88 ± 0.12

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