Smart Calculators for
Filipino Professionals
Accurate salary, loan, GPA, and age calculators built with Philippine standards. Instant results, beautiful interface, always free.
Salary Calculator
Compute monthly salary from daily rate, with SSS, PhilHealth & Pag-IBIG deductions.
CalculateLoan Calculator
Monthly amortization for personal, housing, SSS & Pag-IBIG loans.
CalculateGPA Calculator
Weighted GPA using the Philippine 1.0–5.0 grading scale with Latin honors.
CalculateAge Calculator
Exact age in years, months & days. Ideal for PH ID applications.
Calculate13th Month Pay
Compute your mandatory 13th month pay under PD 851. Full year or prorated.
CalculateIncome Tax (BIR)
BIR withholding tax computation based on TRAIN Law. Know how much tax is deducted.
CalculateVAT Calculator
Compute 12% VAT instantly. Add VAT to a price or extract VAT from a total.
CalculateBMI Calculator
Check your Body Mass Index using Asian health standards for Filipinos.
CalculateTip Calculator
Calculate tip amount and split the bill evenly among friends at restaurants.
CalculatePercentage Calculator
Quickly compute percentages — what is X% of Y, percent change, and more.
CalculateWhy PH Toolbox?
Designed specifically for Philippine standards and needs
Built for Filipinos
Philippine peso, PH grading scale, SSS/PhilHealth/Pag-IBIG rates, and local labor standards built in.
Lightning Fast
100% free with instant results. No downloads, no signup, no waiting. Just calculate.
Mobile Perfect
Beautiful on any device. Designed mobile-first so you can calculate on the go.
10
Calculator Tools
100%
Free to Use
PH
Standards Based
24/7
Always Available
Frequently Asked Questions
Everything you need to know about PH Toolbox
Is PH Toolbox free to use?
Yes! All calculators are completely free with no signup required. We also offer an optional premium plan that removes ads for a small monthly fee.
Are the calculations accurate?
Our calculators use standard formulas and current Philippine rates. However, they provide estimates only. For official computations, consult the relevant government agency or a licensed professional.
Do I need to create an account?
No account is needed to use any calculator. Creating a free account lets you save your calculation history and access additional features.
Is my data secure?
Absolutely. We use industry-standard encryption, secure sessions, and never store sensitive calculation data. Your privacy is our priority.
Ready to Calculate?
Choose a calculator above or create a free account to save your history and go ad-free with Premium.