IGCSE Physics is a rather challenging subject, compared to other, easier subjects. Physics is a combination of theoretical knowledge and practical application, through calculations and practical experiments. The calculation part of the IGCSE physics syllabus is even tougher. It requires a comprehensive IGCSE Physics formula sheet to decode and master this subject.
IGCSE students, either pursuing medical or engineering fields, are often stressed about physics exams because of their calculations, complex derivations, and a list of formulas to remember.
This year, for the IGCSE exam preparation 2026, VACE Global takes this formula burden off your shoulders. Explore this blog to understand how important the IGCSE physics formula sheet is, how to use it effectively, and also find all important physics formulas compiled topically under a well-prepared IGCSE physics formula sheet by VACE Global.
What is the IGCSE Physics Formula Sheet?
An IGCSE Physics formula sheet is a compiled, structured document that contains all the formulas you require for your preparation for the IGCSE Physics syllabus 2026. The topical compilation of this formula sheet helps you understand all the equations you will work with in your exam.
The physics IGCSE formula sheet helps with the following relationships and equations in the exam.
- Organising formulas by topic
- Quick revision before exams
- Linking formulas with units and practical examples
How can you use this IGCSE formula sheet for exam preparation?
Formula sheets can only be useful if you actively apply them for your exam preparation, calculations, and practical knowledge. Instead of trying to memorise formulas in isolation, focus on understanding when and how each formula is used. Link every formula to a concept and practice applying it through questions, so it becomes easier to recall under pressure.
A smart way to use the formula sheet is by integrating it into your daily study routine. You can make it more effective by:
- Linking formulas to concepts: Understand what each formula represents, not just how it looks
- Practising with past papers: Apply formulas in real exam-style questions while practising past papers.
- Highlighting commonly used formulas: Focus more on frequently tested ones
- Rewriting formulas in your own way: This improves retention and clarity
- Testing yourself regularly: Try solving questions without looking at the sheet
By consistently applying the formula sheet during preparation, you turn it from a passive reference into an active tool, helping you approach exams with confidence, clarity, and efficiency.
IGCSE Physics 0625 Key Formulas for the syllabus 2026:
This IGCSE physics formula sheet by VACE Global is divided into chapters:
Chapter 1: General Physics
Average speed (ms⁻¹) = distance (m) / time (s)
s = d/t
Average velocity (ms⁻¹) = displacement (m) / time (s)
v = x/t
Acceleration (ms⁻²) = (final velocity (ms⁻¹) – initial velocity(ms⁻¹)) / time (s)
a = (v-u)/t
Weight (N) = mass (kg) × gravitational field strength (ms⁻²)
W = mg
Earth’s gravitational field strength = 9.8 ms⁻² (as of 2023)
g = 9.8 ms⁻²
Force (N) = mass (kg) × acceleration (ms⁻²)
F = ma
Density (kgm⁻³) = mass (kg) / volume (m³)
ρ = m/V
Hooke’s law: Force (N) = constant (Nm⁻¹) × extension (m)
F = kx
Pressure (Pa) = Force (N) / area (m²)
P = F/A
Fluid Pressure (Pa) = density (kgm⁻³) × gravitational field strength (ms⁻² or Nkg⁻¹) × height (m)
P = ρgh
Work (J) = force (N) × distance moved (m)
W = Fd
Power (W) = work (J) / time (s)
P = W/t
Kinetic Energy (J) = ½ × mass (kg) × velocity² (ms⁻¹)
KE = ½mv²
Gravitational potential energy (J) = mass (kg) × gravitational field strength (ms⁻² or Nkg⁻¹) × height (m)
GPE = mgh
Efficiency (%) = (useful power output (W or J) / total power input (W or J)) × 100%
η = (P_out / P_in) × 100%
Moment (Nm) = Force (N) × perpendicular distance from pivot (m)
M = Fd
Sum of clockwise moments (Nm) = sum of anticlockwise moments (Nm)
F₁d₁ = F₂d₂
Momentum (kgms⁻¹) = mass (kg) × velocity (ms⁻¹)
p = mv
Impulsive Force (N) = change in momentum (kgms⁻¹) / time (s)
F = Δp/t
Impulse (kgms⁻¹ or Ns) = change in momentum (kgms⁻¹)
Δp = mv – mu
Chapter 2: Thermal Physics
Boyle’s Law for changes in gas pressure at constant temperature: pressure₁ (Pa) × volume₁ (m³) = pressure₂ (Pa) × volume₂ (m³)
P₁V₁ = P₂V₂
Energy (J) = mass (kg) × specific heat capacity (Jkg⁻¹°C⁻¹) × temperature change (°C)
Q = mcθ
Celsius to Kelvin:
C = K – 273.15
Chapter 3: Waves
Wave speed (ms⁻¹) = frequency (Hz) × wavelength (m)
V = fλ
Frequency (Hz) = 1 / Period (s)
F = 1/T
Refractive index = sine of the angle of incidence, i / sine of the angle of refraction, r
n = sin i/sin r
Refractive index = speed of light in vacuum/speed of light in material
n = c/v
Refractive index = 1 / sine of critical angle
n = 1/sin c
Chapter 4: Electricity and Magnetism
Current (A) = charge (C) / time (s)
I = Q/t
Voltage (V) = energy transferred (J) / charge (C)
V = W/Q
Voltage (V) = current (A) × resistance (Ω)
V = IR
Power (W) = current (A) × voltage (V)
P = IV
Power (W) = current² (A) × resistance (Ω)
P = I²R
Energy transferred (J) = current (A) × voltage (V) × time (s)
W = IVt
Energy transferred (J) = power (W) × time (s)
W = Pt
Resistors in series: Total Resistance (Ω) = sum of individual resistors (Ω)
R_total = R1 + R2 + R3 + … Rn
Resistors in parallel: 1 / total resistance (Ω) = 1 / sum of individual resistors (Ω)
1/R_total = 1/R1 + 1/R2 + … + 1/Rn
Resistance (Ω) = resistivity (Ωm) × length (m) / area (m²)
R = ρL/A
Wires have a circular cross-section: area = π × radius²
A = πr²
Transformers (Voltage and Turns): voltage in secondary coil (V) / voltage in primary coil (V) = turns on secondary coil / turns on primary coil
Vs/Vp = Ns/Np
Transformers (Voltage and Current): voltage in secondary coil (V) / voltage in primary coil (V) = current in secondary coil (A) / current in primary coil (A)
Vs/Vp = Is/Ip
Chapter 5: Nuclear Physics
Alpha decay example: ²³⁸U₉₂ → ²³⁴Th₉₀ + ⁴He₂
ᴬZ X → ᴬ⁻⁴Z⁻² Y + ⁴He₂
Beta decay example: ²³⁴Th₉₀ → ²³⁴Pa₉₁ + ⁻¹e₀
ᴬZ X → ᴬZ⁺¹ Y + ⁻¹e₀
Gamma decay:
ᴬZ X → ᴬZ Y + γ
Chapter 6: Space Physics
Average orbital speed (ms⁻¹) = 2 × π × average radius of the orbit (m) / orbital period (s)
v = 2πr/T
Hubble’s Law: distance of a far galaxy (m) / speed away from us (ms⁻¹) = 1 / Hubble Constant (s⁻¹)
d/v = 1/H₀
Hubble Constant = 2.2 × 10⁻¹⁸ s⁻¹
H₀ = 2.2 × 10⁻¹⁸ s⁻¹
You can use this formula sheet for revision, solving problems, and learning. VACE Global also provides students with essential A-level physics formulas for future support.
Master IGCSE Physics 0625 with VACE Global:
IGCSE Physics 0625 can become very overwhelming this exam season, not because the concepts are impossible, but because students often struggle with application, formulas, and exam techniques. Understanding theory is one thing; applying it correctly under exam conditions is what truly makes the difference.
At VACE Global, students are guided to master Physics with a structured and practical approach. From breaking down complex concepts into simple explanations to practising with topical and yearly past papers, every step is designed to build clarity and confidence. With expert teachers, personalised support, and focused revision sessions, students learn not just what to study, but how to approach questions effectively.
The result? Stronger understanding, better problem-solving skills, and the confidence to perform well in IGCSE Physics 0625 exams.
Enroll with VACE Global, and experience a structured study approach to achieve results.
FAQs:
How important are formulas in IGCSE Physics 0625?
Formulas are essential, but understanding how to apply them in different scenarios is even more important.
How can I improve my performance in Physics exams?
Focus on concept clarity, practice with past papers regularly, and work on exam techniques such as time management and question analysis.