Impuestos
Calculadoras de préstamos, ahorro, inversión y planificación que usan las matemáticas estándar de amortización, supuestos transparentes y convenciones citadas.
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Tax Calculator
Estimate income tax using US 2025 federal brackets or UK 2025-26 bands. See tax due, after-tax income, and effective rate. Educational reference only.
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Capital Gains Tax Calculator
Estimate US capital gains tax on an investment sale. Long-term 2025 brackets (single filer) or short-term at your ordinary rate. Educational only.
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VAT Calculator
Add VAT to a net price or remove VAT from a gross price at any rate. Reverse-VAT formula net = gross ÷ (1 + rate), with worked examples.
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GST Calculator
Add or remove GST at 5%, 12%, 18% or 28% (India), 10% (Australia) or 15% (New Zealand). Shows the CGST/SGST split for intra-state supplies.