No products in the cart.
Generator, UPS, Inverter & Solar Calculators
Find the right generator, UPS, inverter or solar size for your home, office, business, server room or data centre with our free sizing tools. Use the Generator Sizing Calculator to estimate kVA and kW, the UPS Sizing Calculator to determine backup capacity and runtime, or the Solar & Inverter Calculator to size inverter, battery and PV requirements. Designed for single-phase and three-phase systems in Ghana and Sub-Saharan Africa, these tools provide a preliminary recommendation before engineering selection.
Compare power needs, backup runtime, solar generation and plan dependable continuity.
Generator Sizing Tool
Search and add residential or commercial equipment you need to power. The tool applies warm-climate duty assumptions, motor starting behaviour and special allowances for generator-fed UPS and inverter loads.
For the best estimate: search for the closest equipment type, then replace the suggested wattage with the equipment nameplate value whenever available. Preset duty and starting factors are planning assumptions only.
1Add your equipment
Choose equipment
The full residential and commercial generator-load library is shown below. Type to narrow the list.
Preliminary Sizing Report
Engineering Support
Contact our engineers to confirm the final generator or UPS selection before purchase or installation.
Website: www.axtrongroup.com Email: support@axtrongroup.com Cell: +233 (0)50 867 0202
Send My Sizing
Send this sizing report to our team so our engineers can check the loads and confirm the correct system for your site.
UPS Sizing Tool
Search and add the critical equipment you need to protect. The UPS library is focused on typical IT, networking, telecoms, security, control and business loads, with battery runtime estimated from the selected backup time.
For the best estimate: search for the closest equipment type, then replace the suggested wattage with the equipment nameplate value whenever available. Preset duty and starting factors are planning assumptions only.
1Add your equipment
Choose equipment
The full UPS-focused equipment library is shown below. Type to narrow the list, or choose a custom/nameplate load.
2Choose your required backup time
3Server startup requirement
Preliminary Sizing Report
Engineering Support
Contact our engineers to confirm the final generator or UPS selection before purchase or installation.
Website: www.axtrongroup.com Email: support@axtrongroup.com Cell: +233 (0)50 867 0202
Send My Sizing
Send this sizing report to our team so our engineers can check the loads and confirm the correct system for your site.
Solar & Inverter Sizing Tool
Build a preliminary solar, inverter and battery requirement from the equipment you actually use. The tool estimates daily energy, inverter power and battery backup, and uses PVWatts monthly production data to size solar against the lowest-production month for the selected location.
For the best estimate: use equipment nameplate wattage where available and adjust the hours per day to match how the site actually operates. The result is preliminary and must be reviewed before purchase or installation.
1Tell us about the site
2What is your main reason?
Select all that apply. These choices are included in the sizing report so our engineers understand what matters most to you.
3Add the equipment you want the system to support
Choose equipment
This is the same broad residential and commercial equipment library used by the Generator Sizer. Add each load, then adjust its wattage and daily operating hours if needed.
Preliminary Sizing Report
Solar & Inverter Sizing Report
Engineering SupportContact our engineers to confirm the final solar, inverter and battery selection before purchase or installation.
Website: www.axtrongroup.com Email: support@axtrongroup.com Cell: +233 (0)50 867 0202
Send My Sizing
Send this sizing report to our team so our engineers can confirm the correct solar, inverter and battery system for your site.