# Buddy Calculator — Free Online Calculators & Network Tools

Canonical: https://onecalculatorapp.com/

Buddy Calculator is a free suite of online calculators and network tools. No sign-up. No tracking of inputs. Runs entirely in your browser.

## Calculators

- IP Subnet Calculator — https://onecalculatorapp.com/subnet-calculator
- EMI Calculator — https://onecalculatorapp.com/emi-calculator
- Loan Calculator — https://onecalculatorapp.com/loan-calculator
- SIP Calculator — https://onecalculatorapp.com/sip-calculator
- Income Tax Calculator (India FY 2025-26) — https://onecalculatorapp.com/income-tax-calculator
- Percentage Calculator — https://onecalculatorapp.com/percentage-calculator
- Marks Percentage Calculator — https://onecalculatorapp.com/marks-percentage-calculator
- CGPA Calculator — https://onecalculatorapp.com/cgpa-calculator
- Age Calculator — https://onecalculatorapp.com/age-calculator
- Scientific Calculator — https://onecalculatorapp.com/scientific-calculator
- PSU / Power Supply Wattage Calculator — https://onecalculatorapp.com/psu-calculator

— Buddy Calculator (https://onecalculatorapp.com)