VA to Amps Calculator
Use this VA to amps calculator to quickly convert volt-amperes (VA) into amps (A). It helps electricians, engineers, and beginners find current values in seconds. Get accurate results for both single-phase and three-phase systems with ease.
VA to Amps Converter
How to Use VA to Amps Calculator
Follow these simple steps to use the VA to amps calculator:
- Step 1: Enter the apparent power in VA (volt-amperes).
- Step 2: Enter the voltage value (V).
- Step 3: Select the system type (Single-phase or Three-phase).
- Step 4: Click the "Calculate" button.
- Step 5: View the result in amps (A).
Tips:
- Always use correct voltage for accurate results.
- For three-phase systems, ensure you select the right configuration.
VA to Amps Conversion Formula & Calculation Guide
To convert VA to amps, use the correct formula based on the system type.
Single-Phase Formula
Three-Phase Formula
Step-by-Step Example (Single-Phase)
Given:
VA = 1000 VA
Voltage = 230 V
Step 1: Use the formula
A = VA ÷ V
Step 2: Substitute values
A = 1000 ÷ 230
Step 3: Calculate
A ≈ 4.35 Amps
Final Answer: The current is approximately 4.35 A.
Step-by-Step Example (Three-Phase)
Given:
VA = 3000 VA
Voltage = 400 V
Step 1: Use the formula
A = VA ÷ (√3 × V)
Step 2: Substitute values
A = 3000 ÷ (1.732 × 400)
Step 3: Calculate
A ≈ 4.33 Amps
Final Answer: The current is approximately 4.33 A.
VA to Amps Conversion Chart
| Voltage: 230V (Single-Phase) | |
|---|---|
| VA | Amps (A) |
| 100 VA | 0.43 A |
| 250 VA | 1.09 A |
| 500 VA | 2.17 A |
| 750 VA | 3.26 A |
| 1000 VA | 4.35 A |
| 1500 VA | 6.52 A |
| 2000 VA | 8.70 A |
| 3000 VA | 13.04 A |
| Voltage: 400V (Three-Phase) | |
|---|---|
| VA | Amps (A) |
| 500 VA | 0.72 A |
| 1000 VA | 1.44 A |
| 1500 VA | 2.16 A |
| 2000 VA | 2.89 A |
| 3000 VA | 4.33 A |
| 5000 VA | 7.22 A |
| 10000 VA | 14.43 A |
FAQs – VA to Amps Calculator
VA (volt-amperes) measures apparent power in an electrical system. It combines voltage and current without considering power factor.
Divide VA by voltage for single-phase systems. For three-phase, divide VA by (√3 × voltage).
No. VA already includes apparent power. If you use watts instead, then power factor matters.
Yes. You can use the VA to amps calculator for most electrical devices, including UPS systems, transformers, and generators.
VA measures apparent power, while watts measure real power. Watts = VA × power factor.
Three-phase systems use √3 in the formula because power distributes across three conductors.
Yes. It helps estimate current requirements when selecting UPS or backup systems.
Use the rated voltage of your system or device (e.g., 120V, 230V, 400V).
Yes. Multiply amps by voltage (and √3 for three-phase systems).
Yes. It provides accurate results when you input correct values and select the proper system type.