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🧪 Formula Lab

Every formula here does something when you change it. Type your own numbers into the boxes and watch the picture move — the gears really do spin slower, the beam really does sag further.

Handy constants
g = 9.8 m/s² — gravity at Earth's surface
c = 3.00 × 10⁸ m/s — speed of light
G = 6.674 × 10⁻¹¹ — gravitational constant
NA = 6.022 × 10²³ /mol — Avogadro's number
R = 8.314 L·kPa/(mol·K) — gas constant
π = 3.14159…
cwater = 4186 J/kg°C — specific heat of water
ρwater = 1000 kg/m³ — density of water
0 °C = 273.15 K — freezing point
1 AU = 1.496 × 10¹¹ m — Earth to the Sun