Finance calculators
Plan loans, savings, taxes, and paychecks with browser-first finance calculators
Use practical finance tools for amortization, mortgage comparison, APR estimates, savings plans, VAT or GST math, and generic paycheck take-home planning.
This collection now focuses on real personal-finance and operations math that benefits from a fast browser workflow. It helps you compare loan structures, project savings growth, reverse-calculate tax-inclusive prices, and estimate paycheck cash flow without pretending to replace official disclosures or regulated advice.
Tools in this hub
Featured picks
Language support
Common tasks
Compare borrowing costs and payoff speed
Model amortization, compare mortgage structures, and estimate how fees change the effective cost of a loan.
Project savings and contribution plans
Estimate compound growth, savings-goal timing, and the deposit level needed to hit a target balance.
Check taxes and take-home cash flow
Add or extract VAT or GST, then approximate paycheck net pay using your own rates and deduction assumptions.
Current scope and roadmap
Roadmap context: this collection now covers fixed-rate loans, savings projections, VAT or GST arithmetic, and generic paycheck estimates. Advanced lender disclosures, jurisdiction-specific tax treatment, and official payroll withholding tables still require the source institution or advisor.
Featured tools
Start with the registered tools that cover the most common jobs in this workflow, then browse the full list.
Loan Amortization Calculator & Extra Payment Schedule
Calculate fixed-rate loan payments, total interest, a full amortization schedule, and the payoff impact of recurring extra monthly principal.
Mortgage Comparison Calculator for Monthly and Lifetime Cost
Compare two mortgage scenarios side by side, including loan amount, rate, term, fees, taxes, insurance, monthly payment, and lifetime cost differences.
Savings Goal Calculator for Monthly Contribution or Time to Goal
Set a savings target, current balance, and APY, then solve for the missing monthly contribution or the estimated time needed to reach the goal.
Paycheck Estimator for Salary, Hourly Pay, Taxes, and Deductions
Estimate gross-to-net pay from salary or hours, overtime, pre-tax deductions, entered tax rates, and post-tax deductions. Results are not official payroll advice.
All tools in this collection
Browse every registered tool in this collection and jump straight to the next useful link.
Loan Amortization Calculator & Extra Payment Schedule
Calculate fixed-rate loan payments, total interest, a full amortization schedule, and the payoff impact of recurring extra monthly principal.
Mortgage Comparison Calculator for Monthly and Lifetime Cost
Compare two mortgage scenarios side by side, including loan amount, rate, term, fees, taxes, insurance, monthly payment, and lifetime cost differences.
APR Fee Calculator for Loan Origination and Recurring Charges
Estimate how upfront and recurring loan fees change the effective APR, monthly cost, and net funds received. Results are clearly labeled as estimates.
Compound Interest Calculator with Yearly Growth Projection
Estimate compound growth from an initial balance, recurring contributions, contribution timing, compounding frequency, rate, and years with a yearly projection table.
Savings Goal Calculator for Monthly Contribution or Time to Goal
Set a savings target, current balance, and APY, then solve for the missing monthly contribution or the estimated time needed to reach the goal.
VAT & GST Calculator for Tax-Inclusive or Tax-Exclusive Prices
Add or extract VAT or GST, compare multiple tax rates at once, and review net, tax, and gross amounts without jurisdiction-specific legal claims.
Paycheck Estimator for Salary, Hourly Pay, Taxes, and Deductions
Estimate gross-to-net pay from salary or hours, overtime, pre-tax deductions, entered tax rates, and post-tax deductions. Results are not official payroll advice.
Percentage Calculator
Free online percentage calculator. Compute X% of Y, find what percent X is of Y, calculate percentage change, and increase or decrease values by a percentage.
IBAN Validator and Parser
Validate an IBAN with a Mod 97 checksum check, normalize spacing, and extract the country code and check digits directly in your browser.
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